diff options
Diffstat (limited to 'fs')
102 files changed, 920 insertions, 1122 deletions
diff --git a/fs/adfs/super.c b/fs/adfs/super.c index aad92f0a1048..6910a98bd73c 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -13,6 +13,7 @@ #include <linux/parser.h> #include <linux/mount.h> #include <linux/seq_file.h> +#include <linux/smp_lock.h> #include <linux/statfs.h> #include "adfs.h" #include "dir_f.h" diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 9bd757774c9e..88067f36e5e7 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -564,7 +564,7 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry, static int afs_d_revalidate(struct dentry *dentry, struct nameidata *nd) { struct afs_vnode *vnode, *dir; - struct afs_fid fid; + struct afs_fid uninitialized_var(fid); struct dentry *parent; struct key *key; void *dir_version; diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c index c52be53f6946..5ffb570cd3a8 100644 --- a/fs/afs/mntpt.c +++ b/fs/afs/mntpt.c @@ -17,7 +17,6 @@ #include <linux/pagemap.h> #include <linux/mount.h> #include <linux/namei.h> -#include <linux/mnt_namespace.h> #include "internal.h" diff --git a/fs/afs/super.c b/fs/afs/super.c index ad0514d0115f..e1ea1c240b6a 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/parser.h> diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index f3da2eb51f56..00bf8fcb245f 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -19,7 +19,6 @@ #include <linux/sched.h> #include <linux/compat.h> #include <linux/syscalls.h> -#include <linux/smp_lock.h> #include <linux/magic.h> #include <linux/dcache.h> #include <linux/uaccess.h> diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c index 54bd07d44e68..1e41aadb1068 100644 --- a/fs/bfs/dir.c +++ b/fs/bfs/dir.c @@ -8,7 +8,6 @@ #include <linux/time.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/sched.h> #include "bfs.h" diff --git a/fs/bfs/file.c b/fs/bfs/file.c index 6a021265f018..88b9a3ff44e4 100644 --- a/fs/bfs/file.c +++ b/fs/bfs/file.c @@ -11,7 +11,6 @@ #include <linux/fs.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include "bfs.h" #undef DEBUG @@ -705,14 +705,13 @@ static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count, } static int __bio_copy_iov(struct bio *bio, struct bio_vec *iovecs, - struct sg_iovec *iov, int iov_count, int uncopy, - int do_free_page) + struct sg_iovec *iov, int iov_count, + int to_user, int from_user, int do_free_page) { int ret = 0, i; struct bio_vec *bvec; int iov_idx = 0; unsigned int iov_off = 0; - int read = bio_data_dir(bio) == READ; __bio_for_each_segment(bvec, bio, i, 0) { char *bv_addr = page_address(bvec->bv_page); @@ -727,13 +726,14 @@ static int __bio_copy_iov(struct bio *bio, struct bio_vec *iovecs, iov_addr = iov[iov_idx].iov_base + iov_off; if (!ret) { - if (!read && !uncopy) - ret = copy_from_user(bv_addr, iov_addr, - bytes); - if (read && uncopy) + if (to_user) ret = copy_to_user(iov_addr, bv_addr, bytes); + if (from_user) + ret = copy_from_user(bv_addr, iov_addr, + bytes); + if (ret) ret = -EFAULT; } @@ -770,7 +770,8 @@ int bio_uncopy_user(struct bio *bio) if (!bio_flagged(bio, BIO_NULL_MAPPED)) ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs, - bmd->nr_sgvecs, 1, bmd->is_our_pages); + bmd->nr_sgvecs, bio_data_dir(bio) == READ, + 0, bmd->is_our_pages); bio_free_map_data(bmd); bio_put(bio); return ret; @@ -875,8 +876,9 @@ struct bio *bio_copy_user_iov(struct request_queue *q, /* * success */ - if (!write_to_vm && (!map_data || !map_data->null_mapped)) { - ret = __bio_copy_iov(bio, bio->bi_io_vec, iov, iov_count, 0, 0); + if ((!write_to_vm && (!map_data || !map_data->null_mapped)) || + (map_data && map_data->from_user)) { + ret = __bio_copy_iov(bio, bio->bi_io_vec, iov, iov_count, 0, 1, 0); if (ret) goto cleanup; } diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index de1e2fd32080..9d8ba4d54a37 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -26,7 +26,6 @@ #include <linux/time.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/mpage.h> #include <linux/swap.h> diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 7c3cd248d8d6..4b833972273a 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -22,7 +22,6 @@ #include <linux/time.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/mpage.h> #include <linux/swap.h> diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 7ffa3d34ea19..791eab19e330 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -26,7 +26,6 @@ #include <linux/time.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/mpage.h> #include <linux/swap.h> diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 9f4db848db10..bd88f25889f7 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -27,7 +27,6 @@ #include <linux/time.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/mount.h> #include <linux/mpage.h> diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 9f179d4832d5..6d6d06cb6dfc 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -26,7 +26,6 @@ #include <linux/init.h> #include <linux/seq_file.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/mount.h> #include <linux/mpage.h> diff --git a/fs/char_dev.c b/fs/char_dev.c index b7c9d5187a75..a173551e19d7 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -13,7 +13,6 @@ #include <linux/major.h> #include <linux/errno.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/kobject.h> diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 3a9b7a58a51d..92888aa90749 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -5,7 +5,11 @@ client generated ones by default (mount option "serverino" turned on by default if server supports it). Add forceuid and forcegid mount options (so that when negotiating unix extensions specifying which uid mounted does not immediately force the server's reported -uids to be overridden). Add support for scope moutn parm. +uids to be overridden). Add support for scope mount parm. Improve +hard link detection to use same inode for both. Do not set +read-only dos attribute on directories (for chmod) since Windows +explorer special cases this attribute bit for directories for +a different purpose. Version 1.58 ------------ diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 7f19fefd3d45..42cec2a7c0cf 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -261,6 +261,8 @@ static ssize_t cifs_stats_proc_write(struct file *file, atomic_set(&tcon->num_reads, 0); atomic_set(&tcon->num_oplock_brks, 0); atomic_set(&tcon->num_opens, 0); + atomic_set(&tcon->num_posixopens, 0); + atomic_set(&tcon->num_posixmkdirs, 0); atomic_set(&tcon->num_closes, 0); atomic_set(&tcon->num_deletes, 0); atomic_set(&tcon->num_mkdirs, 0); @@ -347,11 +349,15 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v) atomic_read(&tcon->num_locks), atomic_read(&tcon->num_hardlinks), atomic_read(&tcon->num_symlinks)); - seq_printf(m, "\nOpens: %d Closes: %d" + seq_printf(m, "\nOpens: %d Closes: %d " "Deletes: %d", atomic_read(&tcon->num_opens), atomic_read(&tcon->num_closes), atomic_read(&tcon->num_deletes)); + seq_printf(m, "\nPosix Opens: %d " + "Posix Mkdirs: %d", + atomic_read(&tcon->num_posixopens), + atomic_read(&tcon->num_posixmkdirs)); seq_printf(m, "\nMkdirs: %d Rmdirs: %d", atomic_read(&tcon->num_mkdirs), atomic_read(&tcon->num_rmdirs)); diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c index 4a4581cb2b5e..051caecf7d67 100644 --- a/fs/cifs/cifs_spnego.c +++ b/fs/cifs/cifs_spnego.c @@ -86,6 +86,9 @@ struct key_type cifs_spnego_key_type = { /* strlen of ";user=" */ #define USER_KEY_LEN 6 +/* strlen of ";pid=0x" */ +#define PID_KEY_LEN 7 + /* get a key struct with a SPNEGO security blob, suitable for session setup */ struct key * cifs_get_spnego_key(struct cifsSesInfo *sesInfo) @@ -103,7 +106,8 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo) IP_KEY_LEN + INET6_ADDRSTRLEN + MAX_MECH_STR_LEN + UID_KEY_LEN + (sizeof(uid_t) * 2) + - USER_KEY_LEN + strlen(sesInfo->userName) + 1; + USER_KEY_LEN + strlen(sesInfo->userName) + + PID_KEY_LEN + (sizeof(pid_t) * 2) + 1; spnego_key = ERR_PTR(-ENOMEM); description = kzalloc(desc_len, GFP_KERNEL); @@ -141,6 +145,9 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo) dp = description + strlen(description); sprintf(dp, ";user=%s", sesInfo->userName); + dp = description + strlen(description); + sprintf(dp, ";pid=0x%x", current->pid); + cFYI(1, ("key description = %s", description)); spnego_key = request_key(&cifs_spnego_key_type, description, ""); diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index 1403b5d86a73..6941c22398a6 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -327,7 +327,7 @@ static void dump_ace(struct cifs_ace *pace, char *end_of_acl) static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl, struct cifs_sid *pownersid, struct cifs_sid *pgrpsid, - struct inode *inode) + struct cifs_fattr *fattr) { int i; int num_aces = 0; @@ -340,7 +340,7 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl, if (!pdacl) { /* no DACL in the security descriptor, set all the permissions for user/group/other */ - inode->i_mode |= S_IRWXUGO; + fattr->cf_mode |= S_IRWXUGO; return; } @@ -357,7 +357,7 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl, /* reset rwx permissions for user/group/other. Also, if num_aces is 0 i.e. DACL has no ACEs, user/group/other have no permissions */ - inode->i_mode &= ~(S_IRWXUGO); + fattr->cf_mode &= ~(S_IRWXUGO); acl_base = (char *)pdacl; acl_size = sizeof(struct cifs_acl); @@ -379,17 +379,17 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl, if (compare_sids(&(ppace[i]->sid), pownersid)) access_flags_to_mode(ppace[i]->access_req, ppace[i]->type, - &(inode->i_mode), + &fattr->cf_mode, &user_mask); if (compare_sids(&(ppace[i]->sid), pgrpsid)) access_flags_to_mode(ppace[i]->access_req, ppace[i]->type, - &(inode->i_mode), + &fattr->cf_mode, &group_mask); if (compare_sids(&(ppace[i]->sid), &sid_everyone)) access_flags_to_mode(ppace[i]->access_req, ppace[i]->type, - &(inode->i_mode), + &fattr->cf_mode, &other_mask); /* memcpy((void *)(&(cifscred->aces[i])), @@ -464,7 +464,7 @@ static int parse_sid(struct cifs_sid *psid, char *end_of_acl) /* Convert CIFS ACL to POSIX form */ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len, - struct inode *inode) + struct cifs_fattr *fattr) { int rc; struct cifs_sid *owner_sid_ptr, *group_sid_ptr; @@ -472,7 +472,7 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len, char *end_of_acl = ((char *)pntsd) + acl_len; __u32 dacloffset; - if ((inode == NULL) || (pntsd == NULL)) + if (pntsd == NULL) return -EIO; owner_sid_ptr = (struct cifs_sid *)((char *)pntsd + @@ -497,7 +497,7 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len, if (dacloffset) parse_dacl(dacl_ptr, end_of_acl, owner_sid_ptr, - group_sid_ptr, inode); + group_sid_ptr, fattr); else cFYI(1, ("no ACL")); /* BB grant all or default perms? */ @@ -508,7 +508,6 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len, memcpy((void *)(&(cifscred->gsid)), (void *)group_sid_ptr, sizeof(struct cifs_sid)); */ - return 0; } @@ -671,8 +670,9 @@ static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen, } /* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */ -void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode, - const char *path, const __u16 *pfid) +void +cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr, + struct inode *inode, const char *path, const __u16 *pfid) { struct cifs_ntsd *pntsd = NULL; u32 acllen = 0; @@ -687,7 +687,7 @@ void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode, /* if we can retrieve the ACL, now parse Access Control Entries, ACEs */ if (pntsd) - rc = parse_sec_desc(pntsd, acllen, inode); + rc = parse_sec_desc(pntsd, acllen, fattr); if (rc) cFYI(1, ("parse sec desc failed rc = %d", rc)); diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 9f669f982c4d..44f30504b82d 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -308,7 +308,6 @@ cifs_alloc_inode(struct super_block *sb) if (!cifs_inode) return NULL; cifs_inode->cifsAttrs = 0x20; /* default */ - atomic_set(&cifs_inode->inUse, 0); cifs_inode->time = 0; cifs_inode->write_behind_rc = 0; /* Until the file is open and we have gotten oplock diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 9570a0e8023f..6c170948300d 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -24,6 +24,19 @@ #define ROOT_I 2 +/* + * ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down + * so that it will fit. + */ +static inline ino_t +cifs_uniqueid_to_ino_t(u64 fileid) +{ + ino_t ino = (ino_t) fileid; + if (sizeof(ino_t) < sizeof(u64)) + ino ^= fileid >> (sizeof(u64)-sizeof(ino_t)) * 8; + return ino; +} + extern struct file_system_type cifs_fs_type; extern const struct address_space_operations cifs_addr_ops; extern const struct address_space_operations cifs_addr_ops_smallbuf; @@ -100,5 +113,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); extern const struct export_operations cifs_export_ops; #endif /* EXPERIMENTAL */ -#define CIFS_VERSION "1.59" +#define CIFS_VERSION "1.60" #endif /* _CIFSFS_H */ diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index e1225e6ded2f..6084d6379c03 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -260,6 +260,8 @@ struct cifsTconInfo { atomic_t num_closes; atomic_t num_deletes; atomic_t num_mkdirs; + atomic_t num_posixopens; + atomic_t num_posixmkdirs; atomic_t num_rmdirs; atomic_t num_renames; atomic_t num_t2renames; @@ -364,13 +366,13 @@ struct cifsInodeInfo { struct list_head openFileList; int write_behind_rc; __u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */ - atomic_t inUse; /* num concurrent users (local openers cifs) of file*/ unsigned long time; /* jiffies of last update/check of inode */ bool clientCanCacheRead:1; /* read oplock */ bool clientCanCacheAll:1; /* read and writebehind oplock */ bool oplockPending:1; bool delete_pending:1; /* DELETE_ON_CLOSE is set */ u64 server_eof; /* current file size on server */ + u64 uniqueid; /* server inode number */ struct inode vfs_inode; }; @@ -472,6 +474,32 @@ struct dfs_info3_param { char *node_name; }; +/* + * common struct for holding inode info when searching for or updating an + * inode with new info + */ + +#define CIFS_FATTR_DFS_REFERRAL 0x1 +#define CIFS_FATTR_DELETE_PENDING 0x2 +#define CIFS_FATTR_NEED_REVAL 0x4 + +struct cifs_fattr { + u32 cf_flags; + u32 cf_cifsattrs; + u64 cf_uniqueid; + u64 cf_eof; + u64 cf_bytes; + uid_t cf_uid; + gid_t cf_gid; + umode_t cf_mode; + dev_t cf_rdev; + unsigned int cf_nlink; + unsigned int cf_dtype; + struct timespec cf_atime; + struct timespec cf_mtime; + struct timespec cf_ctime; +}; + static inline void free_dfs_info_param(struct dfs_info3_param *param) { if (param) { diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h index a785f69dbc9f..2d07f890a842 100644 --- a/fs/cifs/cifspdu.h +++ b/fs/cifs/cifspdu.h @@ -2328,19 +2328,7 @@ struct file_attrib_tag { typedef struct { __le32 NextEntryOffset; __u32 ResumeKey; /* as with FileIndex - no need to convert */ - __le64 EndOfFile; - __le64 NumOfBytes; - __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */ - __le64 LastAccessTime; - __le64 LastModificationTime; - __le64 Uid; - __le64 Gid; - __le32 Type; - __le64 DevMajor; - __le64 DevMinor; - __le64 UniqueId; - __le64 Permissions; - __le64 Nlinks; + FILE_UNIX_BASIC_INFO basic; char FileName[1]; } __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */ diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index c419416a42ee..da8fbf565991 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -98,9 +98,13 @@ extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, extern int cifs_posix_open(char *full_path, struct inode **pinode, struct super_block *sb, int mode, int oflags, int *poplock, __u16 *pnetfid, int xid); -extern void posix_fill_in_inode(struct inode *tmp_inode, - FILE_UNIX_BASIC_INFO *pData, int isNewInode); -extern struct inode *cifs_new_inode(struct super_block *sb, __u64 *inum); +extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, + FILE_UNIX_BASIC_INFO *info, + struct cifs_sb_info *cifs_sb); +extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); +extern struct inode *cifs_iget(struct super_block *sb, + struct cifs_fattr *fattr); + extern int cifs_get_inode_info(struct inode **pinode, const unsigned char *search_path, FILE_ALL_INFO *pfile_info, @@ -108,8 +112,9 @@ extern int cifs_get_inode_info(struct inode **pinode, extern int cifs_get_inode_info_unix(struct inode **pinode, const unsigned char *search_path, struct super_block *sb, int xid); -extern void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode, - const char *path, const __u16 *pfid); +extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, + struct cifs_fattr *fattr, struct inode *inode, + const char *path, const __u16 *pfid); extern int mode_to_acl(struct inode *inode, const char *path, __u64); extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *, @@ -215,7 +220,11 @@ struct cifs_unix_set_info_args { dev_t device; }; -extern int CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *pTcon, +extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon, + const struct cifs_unix_set_info_args *args, + u16 fid, u32 pid_of_opener); + +extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon, char *fileName, const struct cifs_unix_set_info_args *args, const struct nls_table *nls_codepage, diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 61007c627497..1866bc2927d4 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1113,7 +1113,10 @@ PsxCreat: psx_create_err: cifs_buf_release(pSMB); - cifs_stats_inc(&tcon->num_mkdirs); + if (posix_flags & SMB_O_DIRECTORY) + cifs_stats_inc(&tcon->num_posixmkdirs); + else + cifs_stats_inc(&tcon->num_posixopens); if (rc == -EAGAIN) goto PsxCreat; @@ -5074,10 +5077,114 @@ SetAttrLgcyRetry: } #endif /* temporarily unneeded SetAttr legacy function */ +static void +cifs_fill_unix_set_info(FILE_UNIX_BASIC_INFO *data_offset, + const struct cifs_unix_set_info_args *args) +{ + u64 mode = args->mode; + + /* + * Samba server ignores set of file size to zero due to bugs in some + * older clients, but we should be precise - we use SetFileSize to + * set file size and do not want to truncate file size to zero + * accidently as happened on one Samba server beta by putting + * zero instead of -1 here + */ + data_offset->EndOfFile = cpu_to_le64(NO_CHANGE_64); + data_offset->NumOfBytes = cpu_to_le64(NO_CHANGE_64); + data_offset->LastStatusChange = cpu_to_le64(args->ctime); + data_offset->LastAccessTime = cpu_to_le64(args->atime); + data_offset->LastModificationTime = cpu_to_le64(args->mtime); + data_offset->Uid = cpu_to_le64(args->uid); + data_offset->Gid = cpu_to_le64(args->gid); + /* better to leave device as zero when it is */ + data_offset->DevMajor = cpu_to_le64(MAJOR(args->device)); + data_offset->DevMinor = cpu_to_le64(MINOR(args->device)); + data_offset->Permissions = cpu_to_le64(mode); + + if (S_ISREG(mode)) + data_offset->Type = cpu_to_le32(UNIX_FILE); + else if (S_ISDIR(mode)) + data_offset->Type = cpu_to_le32(UNIX_DIR); + else if (S_ISLNK(mode)) + data_offset->Type = cpu_to_le32(UNIX_SYMLINK); + else if (S_ISCHR(mode)) + data_offset->Type = cpu_to_le32(UNIX_CHARDEV); + else if (S_ISBLK(mode)) + data_offset->Type = cpu_to_le32(UNIX_BLOCKDEV); + else if (S_ISFIFO(mode)) + data_offset->Type = cpu_to_le32(UNIX_FIFO); + else if (S_ISSOCK(mode)) + data_offset->Type = cpu_to_le32(UNIX_SOCKET); +} + int -CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *tcon, char *fileName, - const struct cifs_unix_set_info_args *args, - const struct nls_table *nls_codepage, int remap) +CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon, + const struct cifs_unix_set_info_args *args, + u16 fid, u32 pid_of_opener) +{ + struct smb_com_transaction2_sfi_req *pSMB = NULL; + FILE_UNIX_BASIC_INFO *data_offset; + int rc = 0; + u16 params, param_offset, offset, byte_count, count; + + cFYI(1, ("Set Unix Info (via SetFileInfo)")); + rc = small_smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB); + + if (rc) + return rc; + + pSMB->hdr.Pid = cpu_to_le16((__u16)pid_of_opener); + pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid_of_opener >> 16)); + + params = 6; + pSMB->MaxSetupCount = 0; + pSMB->Reserved = 0; + pSMB->Flags = 0; + pSMB->Timeout = 0; + pSMB->Reserved2 = 0; + param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4; + offset = param_offset + params; + + data_offset = (FILE_UNIX_BASIC_INFO *) + ((char *)(&pSMB->hdr.Protocol) + offset); + count = sizeof(FILE_UNIX_BASIC_INFO); + + pSMB->MaxParameterCount = cpu_to_le16(2); + /* BB find max SMB PDU from sess */ + pSMB->MaxDataCount = cpu_to_le16(1000); + pSMB->SetupCount = 1; + pSMB->Reserved3 = 0; + pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION); + byte_count = 3 /* pad */ + params + count; + pSMB->DataCount = cpu_to_le16(count); + pSMB->ParameterCount = cpu_to_le16(params); + pSMB->TotalDataCount = pSMB->DataCount; + pSMB->TotalParameterCount = pSMB->ParameterCount; + pSMB->ParameterOffset = cpu_to_le16(param_offset); + pSMB->DataOffset = cpu_to_le16(offset); + pSMB->Fid = fid; + pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC); + pSMB->Reserved4 = 0; + pSMB->hdr.smb_buf_length += byte_count; + pSMB->ByteCount = cpu_to_le16(byte_count); + + cifs_fill_unix_set_info(data_offset, args); + + rc = SendReceiveNoRsp(xid, tcon->ses, (struct smb_hdr *) pSMB, 0); + if (rc) + cFYI(1, ("Send error in Set Time (SetFileInfo) = %d", rc)); + + /* Note: On -EAGAIN error only caller can retry on handle based calls + since file handle passed in no longer valid */ + + return rc; +} + +int +CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *tcon, char *fileName, + const struct cifs_unix_set_info_args *args, + const struct nls_table *nls_codepage, int remap) { TRANSACTION2_SPI_REQ *pSMB = NULL; TRANSACTION2_SPI_RSP *pSMBr = NULL; @@ -5086,7 +5193,6 @@ CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *tcon, char *fileName, int bytes_returned = 0; FILE_UNIX_BASIC_INFO *data_offset; __u16 params, param_offset, offset, count, byte_count; - __u64 mode = args->mode; cFYI(1, ("In SetUID/GID/Mode")); setPermsRetry: @@ -5137,38 +5243,8 @@ setPermsRetry: pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC); pSMB->Reserved4 = 0; pSMB->hdr.smb_buf_length += byte_count; - /* Samba server ignores set of file size to zero due to bugs in some - older clients, but we should be precise - we use SetFileSize to - set file size and do not want to truncate file size to zero - accidently as happened on one Samba server beta by putting - zero instead of -1 here */ - data_offset->EndOfFile = cpu_to_le64(NO_CHANGE_64); - data_offset->NumOfBytes = cpu_to_le64(NO_CHANGE_64); - data_offset->LastStatusChange = cpu_to_le64(args->ctime); - data_offset->LastAccessTime = cpu_to_le64(args->atime); - data_offset->LastModificationTime = cpu_to_le64(args->mtime); - data_offset->Uid = cpu_to_le64(args->uid); - data_offset->Gid = cpu_to_le64(args->gid); - /* better to leave device as zero when it is */ - data_offset->DevMajor = cpu_to_le64(MAJOR(args->device)); - data_offset->DevMinor = cpu_to_le64(MINOR(args->device)); - data_offset->Permissions = cpu_to_le64(mode); - - if (S_ISREG(mode)) - data_offset->Type = cpu_to_le32(UNIX_FILE); - else if (S_ISDIR(mode)) - data_offset->Type = cpu_to_le32(UNIX_DIR); - else if (S_ISLNK(mode)) - data_offset->Type = cpu_to_le32(UNIX_SYMLINK); - else if (S_ISCHR(mode)) - data_offset->Type = cpu_to_le32(UNIX_CHARDEV); - else if (S_ISBLK(mode)) - data_offset->Type = cpu_to_le32(UNIX_BLOCKDEV); - else if (S_ISFIFO(mode)) - data_offset->Type = cpu_to_le32(UNIX_FIFO); - else if (S_ISSOCK(mode)) - data_offset->Type = cpu_to_le32(UNIX_SOCKET); + cifs_fill_unix_set_info(data_offset, args); pSMB->ByteCount = cpu_to_le16(byte_count); rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 7dc6b74f9def..4326ffd90fa9 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -188,6 +188,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode, FILE_UNIX_BASIC_INFO *presp_data; __u32 posix_flags = 0; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); + struct cifs_fattr fattr; cFYI(1, ("posix open %s", full_path)); @@ -236,22 +237,21 @@ int cifs_posix_open(char *full_path, struct inode **pinode, if (presp_data->Type == cpu_to_le32(-1)) goto posix_open_ret; /* open ok, caller does qpathinfo */ - /* get new inode and set it up */ if (!pinode) goto posix_open_ret; /* caller does not need info */ + cifs_unix_basic_to_fattr(&fattr, presp_data, cifs_sb); + + /* get new inode and set it up */ if (*pinode == NULL) { - __u64 unique_id = le64_to_cpu(presp_data->UniqueId); - *pinode = cifs_new_inode(sb, &unique_id); + *pinode = cifs_iget(sb, &fattr); + if (!*pinode) { + rc = -ENOMEM; + goto posix_open_ret; + } + } else { + cifs_fattr_to_inode(*pinode, &fattr); } - /* else an inode was passed in. Update its info, don't create one */ - - /* We do not need to close the file if new_inode fails since - the caller will retry qpathinfo as long as inode is null */ - if (*pinode == NULL) - goto posix_open_ret; - - posix_fill_in_inode(*pinode, presp_data, 1); cifs_fill_fileinfo(*pinode, *pnetfid, cifs_sb->tcon, write_only); @@ -425,9 +425,10 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode, args.uid = NO_CHANGE_64; args.gid = NO_CHANGE_64; } - CIFSSMBUnixSetInfo(xid, tcon, full_path, &args, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + CIFSSMBUnixSetPathInfo(xid, tcon, full_path, &args, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); } else { /* BB implement mode setting via Windows security descriptors e.g. */ @@ -515,10 +516,10 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, args.uid = NO_CHANGE_64; args.gid = NO_CHANGE_64; } - rc = CIFSSMBUnixSetInfo(xid, pTcon, full_path, - &args, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); + rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, &args, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); if (!rc) { rc = cifs_get_inode_info_unix(&newinode, full_path, @@ -643,6 +644,15 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, } } + /* + * O_EXCL: optimize away the lookup, but don't hash the dentry. Let + * the VFS handle the create. + */ + if (nd->flags & LOOKUP_EXCL) { + d_instantiate(direntry, NULL); + return 0; + } + /* can not grab the rename sem here since it would deadlock in the cases (beginning of sys_rename itself) in which we already have the sb rename sem */ diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 97ce4bf89d15..c34b7f8a217b 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -448,9 +448,9 @@ int cifs_open(struct inode *inode, struct file *file) .mtime = NO_CHANGE_64, .device = 0, }; - CIFSSMBUnixSetInfo(xid, tcon, full_path, &args, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & + CIFSSMBUnixSetPathInfo(xid, tcon, full_path, &args, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); } } diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 155c9e785d0c..18afe57b2461 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -77,239 +77,202 @@ static void cifs_set_ops(struct inode *inode, const bool is_dfs_referral) } } -static void cifs_unix_info_to_inode(struct inode *inode, - FILE_UNIX_BASIC_INFO *info, int force_uid_gid) +/* populate an inode with info from a cifs_fattr struct */ +void +cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) { + struct cifsInodeInfo *cifs_i = CIFS_I(inode); struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); - struct cifsInodeInfo *cifsInfo = CIFS_I(inode); - __u64 num_of_bytes = le64_to_cpu(info->NumOfBytes); - __u64 end_of_file = le64_to_cpu(info->EndOfFile); + unsigned long oldtime = cifs_i->time; + + inode->i_atime = fattr->cf_atime; + inode->i_mtime = fattr->cf_mtime; + inode->i_ctime = fattr->cf_ctime; + inode->i_rdev = fattr->cf_rdev; + inode->i_nlink = fattr->cf_nlink; + inode->i_uid = fattr->cf_uid; + inode->i_gid = fattr->cf_gid; + + /* if dynperm is set, don't clobber existing mode */ + if (inode->i_state & I_NEW || + !(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM)) + inode->i_mode = fattr->cf_mode; + + cifs_i->cifsAttrs = fattr->cf_cifsattrs; + cifs_i->uniqueid = fattr->cf_uniqueid; + + if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL) + cifs_i->time = 0; + else + cifs_i->time = jiffies; + + cFYI(1, ("inode 0x%p old_time=%ld new_time=%ld", inode, + oldtime, cifs_i->time)); - inode->i_atime = cifs_NTtimeToUnix(info->LastAccessTime); - inode->i_mtime = - cifs_NTtimeToUnix(info->LastModificationTime); - inode->i_ctime = cifs_NTtimeToUnix(info->LastStatusChange); - inode->i_mode = le64_to_cpu(info->Permissions); + cifs_i->delete_pending = fattr->cf_flags & CIFS_FATTR_DELETE_PENDING; + + /* + * Can't safely change the file size here if the client is writing to + * it due to potential races. + */ + spin_lock(&inode->i_lock); + if (is_size_safe_to_change(cifs_i, fattr->cf_eof)) { + i_size_write(inode, fattr->cf_eof); + + /* + * i_blocks is not related to (i_size / i_blksize), + * but instead 512 byte (2**9) size is required for + * calculating num blocks. + */ + inode->i_blocks = (512 - 1 + fattr->cf_bytes) >> 9; + } + spin_unlock(&inode->i_lock); + + cifs_set_ops(inode, fattr->cf_flags & CIFS_FATTR_DFS_REFERRAL); +} + +/* Fill a cifs_fattr struct with info from FILE_UNIX_BASIC_INFO. */ +void +cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, FILE_UNIX_BASIC_INFO *info, + struct cifs_sb_info *cifs_sb) +{ + memset(fattr, 0, sizeof(*fattr)); + fattr->cf_uniqueid = le64_to_cpu(info->UniqueId); + fattr->cf_bytes = le64_to_cpu(info->NumOfBytes); + fattr->cf_eof = le64_to_cpu(info->EndOfFile); + + fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime); + fattr->cf_mtime = cifs_NTtimeToUnix(info->LastModificationTime); + fattr->cf_ctime = cifs_NTtimeToUnix(info->LastStatusChange); + fattr->cf_mode = le64_to_cpu(info->Permissions); /* * Since we set the inode type below we need to mask off * to avoid strange results if bits set above. */ - inode->i_mode &= ~S_IFMT; + fattr->cf_mode &= ~S_IFMT; switch (le32_to_cpu(info->Type)) { case UNIX_FILE: - inode->i_mode |= S_IFREG; + fattr->cf_mode |= S_IFREG; + fattr->cf_dtype = DT_REG; break; case UNIX_SYMLINK: - inode->i_mode |= S_IFLNK; + fattr->cf_mode |= S_IFLNK; + fattr->cf_dtype = DT_LNK; break; case UNIX_DIR: - inode->i_mode |= S_IFDIR; + fattr->cf_mode |= S_IFDIR; + fattr->cf_dtype = DT_DIR; break; case UNIX_CHARDEV: - inode->i_mode |= S_IFCHR; - inode->i_rdev = MKDEV(le64_to_cpu(info->DevMajor), - le64_to_cpu(info->DevMinor) & MINORMASK); + fattr->cf_mode |= S_IFCHR; + fattr->cf_dtype = DT_CHR; + fattr->cf_rdev = MKDEV(le64_to_cpu(info->DevMajor), + le64_to_cpu(info->DevMinor) & MINORMASK); break; case UNIX_BLOCKDEV: - inode->i_mode |= S_IFBLK; - inode->i_rdev = MKDEV(le64_to_cpu(info->DevMajor), - le64_to_cpu(info->DevMinor) & MINORMASK); + fattr->cf_mode |= S_IFBLK; + fattr->cf_dtype = DT_BLK; + fattr->cf_rdev = MKDEV(le64_to_cpu(info->DevMajor), + le64_to_cpu(info->DevMinor) & MINORMASK); break; case UNIX_FIFO: - inode->i_mode |= S_IFIFO; + fattr->cf_mode |= S_IFIFO; + fattr->cf_dtype = DT_FIFO; break; case UNIX_SOCKET: - inode->i_mode |= S_IFSOCK; + fattr->cf_mode |= S_IFSOCK; + fattr->cf_dtype = DT_SOCK; break; default: /* safest to call it a file if we do not know */ - inode->i_mode |= S_IFREG; + fattr->cf_mode |= S_IFREG; + fattr->cf_dtype = DT_REG; cFYI(1, ("unknown type %d", le32_to_cpu(info->Type))); break; } - if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) && - !force_uid_gid) - inode->i_uid = cifs_sb->mnt_uid; + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) + fattr->cf_uid = cifs_sb->mnt_uid; else - inode->i_uid = le64_to_cpu(info->Uid); + fattr->cf_uid = le64_to_cpu(info->Uid); - if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) && - !force_uid_gid) - inode->i_gid = cifs_sb->mnt_gid; + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) + fattr->cf_gid = cifs_sb->mnt_gid; else - inode->i_gid = le64_to_cpu(info->Gid); - - inode->i_nlink = le64_to_cpu(info->Nlinks); - - cifsInfo->server_eof = end_of_file; - spin_lock(&inode->i_lock); - if (is_size_safe_to_change(cifsInfo, end_of_file)) { - /* - * We can not safely change the file size here if the client - * is writing to it due to potential races. - */ - i_size_write(inode, end_of_file); + fattr->cf_gid = le64_to_cpu(info->Gid); - /* - * i_blocks is not related to (i_size / i_blksize), - * but instead 512 byte (2**9) size is required for - * calculating num blocks. - */ - inode->i_blocks = (512 - 1 + num_of_bytes) >> 9; - } - spin_unlock(&inode->i_lock); + fattr->cf_nlink = le64_to_cpu(info->Nlinks); } - /* - * Needed to setup inode data for the directory which is the - * junction to the new submount (ie to setup the fake directory - * which represents a DFS referral) - */ -static void fill_fake_finddataunix(FILE_UNIX_BASIC_INFO *pfnd_dat, - struct super_block *sb) -{ - struct inode *pinode = NULL; - - memset(pfnd_dat, 0, sizeof(FILE_UNIX_BASIC_INFO)); - -/* __le64 pfnd_dat->EndOfFile = cpu_to_le64(0); - __le64 pfnd_dat->NumOfBytes = cpu_to_le64(0); - __u64 UniqueId = 0; */ - pfnd_dat->LastStatusChange = - cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - pfnd_dat->LastAccessTime = - cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - pfnd_dat->LastModificationTime = - cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - pfnd_dat->Type = cpu_to_le32(UNIX_DIR); - pfnd_dat->Permissions = cpu_to_le64(S_IXUGO | S_IRWXU); - pfnd_dat->Nlinks = cpu_to_le64(2); - if (sb->s_root) - pinode = sb->s_root->d_inode; - if (pinode == NULL) - return; - - /* fill in default values for the remaining based on root - inode since we can not query the server for this inode info */ - pfnd_dat->DevMajor = cpu_to_le64(MAJOR(pinode->i_rdev)); - pfnd_dat->DevMinor = cpu_to_le64(MINOR(pinode->i_rdev)); - pfnd_dat->Uid = cpu_to_le64(pinode->i_uid); - pfnd_dat->Gid = cpu_to_le64(pinode->i_gid); -} - -/** - * cifs_new inode - create new inode, initialize, and hash it - * @sb - pointer to superblock - * @inum - if valid pointer and serverino is enabled, replace i_ino with val - * - * Create a new inode, initialize it for CIFS and hash it. Returns the new - * inode or NULL if one couldn't be allocated. + * Fill a cifs_fattr struct with fake inode info. * - * If the share isn't mounted with "serverino" or inum is a NULL pointer then - * we'll just use the inode number assigned by new_inode(). Note that this can - * mean i_ino collisions since the i_ino assigned by new_inode is not - * guaranteed to be unique. + * Needed to setup cifs_fattr data for the directory which is the + * junction to the new submount (ie to setup the fake directory + * which represents a DFS referral). */ -struct inode * -cifs_new_inode(struct super_block *sb, __u64 *inum) +void +cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb) { - struct inode *inode; - - inode = new_inode(sb); - if (inode == NULL) - return NULL; - - /* - * BB: Is i_ino == 0 legal? Here, we assume that it is. If it isn't we - * stop passing inum as ptr. Are there sanity checks we can use to - * ensure that the server is really filling in that field? Also, - * if serverino is disabled, perhaps we should be using iunique()? - */ - if (inum && (CIFS_SB(sb)->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) - inode->i_ino = (unsigned long) *inum; - - /* - * must set this here instead of cifs_alloc_inode since VFS will - * clobber i_flags - */ - if (sb->s_flags & MS_NOATIME) - inode->i_flags |= S_NOATIME | S_NOCMTIME; - - insert_inode_hash(inode); + struct cifs_sb_info *cifs_sb = CIFS_SB(sb); - return inode; + cFYI(1, ("creating fake fattr for DFS referral")); + + memset(fattr, 0, sizeof(*fattr)); + fattr->cf_mode = S_IFDIR | S_IXUGO | S_IRWXU; + fattr->cf_uid = cifs_sb->mnt_uid; + fattr->cf_gid = cifs_sb->mnt_gid; + fattr->cf_atime = CURRENT_TIME; + fattr->cf_ctime = CURRENT_TIME; + fattr->cf_mtime = CURRENT_TIME; + fattr->cf_nlink = 2; + fattr->cf_flags |= CIFS_FATTR_DFS_REFERRAL; } int cifs_get_inode_info_unix(struct inode **pinode, - const unsigned char *full_path, struct super_block *sb, int xid) + const unsigned char *full_path, + struct super_block *sb, int xid) { - int rc = 0; + int rc; FILE_UNIX_BASIC_INFO find_data; - struct cifsTconInfo *pTcon; - struct inode *inode; + struct cifs_fattr fattr; + struct cifsTconInfo *tcon; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); - bool is_dfs_referral = false; - struct cifsInodeInfo *cifsInfo; - __u64 num_of_bytes; - __u64 end_of_file; - pTcon = cifs_sb->tcon; + tcon = cifs_sb->tcon; cFYI(1, ("Getting info on %s", full_path)); /* could have done a find first instead but this returns more info */ - rc = CIFSSMBUnixQPathInfo(xid, pTcon, full_path, &find_data, + rc = CIFSSMBUnixQPathInfo(xid, tcon, full_path, &find_data, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc == -EREMOTE && !is_dfs_referral) { - is_dfs_referral = true; - cFYI(DBG2, ("DFS ref")); - /* for DFS, server does not give us real inode data */ - fill_fake_finddataunix(&find_data, sb); - rc = 0; - } else if (rc) - goto cgiiu_exit; - num_of_bytes = le64_to_cpu(find_data.NumOfBytes); - end_of_file = le64_to_cpu(find_data.EndOfFile); + if (!rc) { + cifs_unix_basic_to_fattr(&fattr, &find_data, cifs_sb); + } else if (rc == -EREMOTE) { + cifs_create_dfs_fattr(&fattr, sb); + rc = 0; + } else { + return rc; + } - /* get new inode */ if (*pinode == NULL) { - __u64 unique_id = le64_to_cpu(find_data.UniqueId); - *pinode = cifs_new_inode(sb, &unique_id); - if (*pinode == NULL) { + /* get new inode */ + *pinode = cifs_iget(sb, &fattr); + if (!*pinode) rc = -ENOMEM; - goto cgiiu_exit; - } + } else { + /* we already have inode, update it */ + cifs_fattr_to_inode(*pinode, &fattr); } - inode = *pinode; - cifsInfo = CIFS_I(inode); - - cFYI(1, ("Old time %ld", cifsInfo->time)); - cifsInfo->time = jiffies; - cFYI(1, ("New time %ld", cifsInfo->time)); - /* this is ok to set on every inode revalidate */ - atomic_set(&cifsInfo->inUse, 1); - - cifs_unix_info_to_inode(inode, &find_data, 0); - - if (num_of_bytes < end_of_file) - cFYI(1, ("allocation size less than end of file")); - cFYI(1, ("Size %ld and blocks %llu", - (unsigned long) inode->i_size, - (unsigned long long)inode->i_blocks)); - - cifs_set_ops(inode, is_dfs_referral); -cgiiu_exit: return rc; } -static int decode_sfu_inode(struct inode *inode, __u64 size, - const unsigned char *path, - struct cifs_sb_info *cifs_sb, int xid) +static int +cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path, + struct cifs_sb_info *cifs_sb, int xid) { int rc; int oplock = 0; @@ -321,10 +284,15 @@ static int decode_sfu_inode(struct inode *inode, __u64 size, pbuf = buf; - if (size == 0) { - inode->i_mode |= S_IFIFO; + fattr->cf_mode &= ~S_IFMT; + + if (fattr->cf_eof == 0) { + fattr->cf_mode |= S_IFIFO; + fattr->cf_dtype = DT_FIFO; return 0; - } else if (size < 8) { + } else if (fattr->cf_eof < 8) { + fattr->cf_mode |= S_IFREG; + fattr->cf_dtype = DT_REG; return -EINVAL; /* EOPNOTSUPP? */ } @@ -336,42 +304,46 @@ static int decode_sfu_inode(struct inode *inode, __u64 size, if (rc == 0) { int buf_type = CIFS_NO_BUFFER; /* Read header */ - rc = CIFSSMBRead(xid, pTcon, - netfid, + rc = CIFSSMBRead(xid, pTcon, netfid, 24 /* length */, 0 /* offset */, &bytes_read, &pbuf, &buf_type); if ((rc == 0) && (bytes_read >= 8)) { if (memcmp("IntxBLK", pbuf, 8) == 0) { cFYI(1, ("Block device")); - inode->i_mode |= S_IFBLK; + fattr->cf_mode |= S_IFBLK; + fattr->cf_dtype = DT_BLK; if (bytes_read == 24) { /* we have enough to decode dev num */ __u64 mjr; /* major */ __u64 mnr; /* minor */ mjr = le64_to_cpu(*(__le64 *)(pbuf+8)); mnr = le64_to_cpu(*(__le64 *)(pbuf+16)); - inode->i_rdev = MKDEV(mjr, mnr); + fattr->cf_rdev = MKDEV(mjr, mnr); } } else if (memcmp("IntxCHR", pbuf, 8) == 0) { cFYI(1, ("Char device")); - inode->i_mode |= S_IFCHR; + fattr->cf_mode |= S_IFCHR; + fattr->cf_dtype = DT_CHR; if (bytes_read == 24) { /* we have enough to decode dev num */ __u64 mjr; /* major */ __u64 mnr; /* minor */ mjr = le64_to_cpu(*(__le64 *)(pbuf+8)); mnr = le64_to_cpu(*(__le64 *)(pbuf+16)); - inode->i_rdev = MKDEV(mjr, mnr); + fattr->cf_rdev = MKDEV(mjr, mnr); } } else if (memcmp("IntxLNK", pbuf, 7) == 0) { cFYI(1, ("Symlink")); - inode->i_mode |= S_IFLNK; + fattr->cf_mode |= S_IFLNK; + fattr->cf_dtype = DT_LNK; } else { - inode->i_mode |= S_IFREG; /* file? */ + fattr->cf_mode |= S_IFREG; /* file? */ + fattr->cf_dtype = DT_REG; rc = -EOPNOTSUPP; } } else { - inode->i_mode |= S_IFREG; /* then it is a file */ + fattr->cf_mode |= S_IFREG; /* then it is a file */ + fattr->cf_dtype = DT_REG; rc = -EOPNOTSUPP; /* or some unknown SFU type */ } CIFSSMBClose(xid, pTcon, netfid); @@ -381,9 +353,13 @@ static int decode_sfu_inode(struct inode *inode, __u64 size, #define SFBITS_MASK (S_ISVTX | S_ISGID | S_ISUID) /* SETFILEBITS valid bits */ -static int get_sfu_mode(struct inode *inode, - const unsigned char *path, - struct cifs_sb_info *cifs_sb, int xid) +/* + * Fetch mode bits as provided by SFU. + * + * FIXME: Doesn't this clobber the type bit we got from cifs_sfu_type ? + */ +static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path, + struct cifs_sb_info *cifs_sb, int xid) { #ifdef CONFIG_CIFS_XATTR ssize_t rc; @@ -391,68 +367,80 @@ static int get_sfu_mode(struct inode *inode, __u32 mode; rc = CIFSSMBQueryEA(xid, cifs_sb->tcon, path, "SETFILEBITS", - ea_value, 4 /* size of buf */, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + ea_value, 4 /* size of buf */, cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc < 0) return (int)rc; else if (rc > 3) { mode = le32_to_cpu(*((__le32 *)ea_value)); - inode->i_mode &= ~SFBITS_MASK; - cFYI(1, ("special bits 0%o org mode 0%o", mode, inode->i_mode)); - inode->i_mode = (mode & SFBITS_MASK) | inode->i_mode; + fattr->cf_mode &= ~SFBITS_MASK; + cFYI(1, ("special bits 0%o org mode 0%o", mode, + fattr->cf_mode)); + fattr->cf_mode = (mode & SFBITS_MASK) | fattr->cf_mode; cFYI(1, ("special mode bits 0%o", mode)); - return 0; - } else { - return 0; } + + return 0; #else return -EOPNOTSUPP; #endif } -/* - * Needed to setup inode data for the directory which is the - * junction to the new submount (ie to setup the fake directory - * which represents a DFS referral) - */ -static void fill_fake_finddata(FILE_ALL_INFO *pfnd_dat, - struct super_block *sb) +/* Fill a cifs_fattr struct with info from FILE_ALL_INFO */ +void +cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info, + struct cifs_sb_info *cifs_sb, bool adjust_tz) { - memset(pfnd_dat, 0, sizeof(FILE_ALL_INFO)); - -/* __le64 pfnd_dat->AllocationSize = cpu_to_le64(0); - __le64 pfnd_dat->EndOfFile = cpu_to_le64(0); - __u8 pfnd_dat->DeletePending = 0; - __u8 pfnd_data->Directory = 0; - __le32 pfnd_dat->EASize = 0; - __u64 pfnd_dat->IndexNumber = 0; - __u64 pfnd_dat->IndexNumber1 = 0; */ - pfnd_dat->CreationTime = - cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - pfnd_dat->LastAccessTime = - cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - pfnd_dat->LastWriteTime = - cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - pfnd_dat->ChangeTime = - cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - pfnd_dat->Attributes = cpu_to_le32(ATTR_DIRECTORY); - pfnd_dat->NumberOfLinks = cpu_to_le32(2); + memset(fattr, 0, sizeof(*fattr)); + fattr->cf_cifsattrs = le32_to_cpu(info->Attributes); + if (info->DeletePending) + fattr->cf_flags |= CIFS_FATTR_DELETE_PENDING; + + if (info->LastAccessTime) + fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime); + else + fattr->cf_atime = CURRENT_TIME; + + fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime); + fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime); + + if (adjust_tz) { + fattr->cf_ctime.tv_sec += cifs_sb->tcon->ses->server->timeAdj; + fattr->cf_mtime.tv_sec += cifs_sb->tcon->ses->server->timeAdj; + } + + fattr->cf_eof = le64_to_cpu(info->EndOfFile); + fattr->cf_bytes = le64_to_cpu(info->AllocationSize); + + if (fattr->cf_cifsattrs & ATTR_DIRECTORY) { + fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode; + fattr->cf_dtype = DT_DIR; + } else { + fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode; + fattr->cf_dtype = DT_REG; + + /* clear write bits if ATTR_READONLY is set */ + if (fattr->cf_cifsattrs & ATTR_READONLY) + fattr->cf_mode &= ~(S_IWUGO); + } + + fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks); + + fattr->cf_uid = cifs_sb->mnt_uid; + fattr->cf_gid = cifs_sb->mnt_gid; } int cifs_get_inode_info(struct inode **pinode, const unsigned char *full_path, FILE_ALL_INFO *pfindData, struct super_block *sb, int xid, const __u16 *pfid) { - int rc = 0; - __u32 attr; - struct cifsInodeInfo *cifsInfo; + int rc = 0, tmprc; struct cifsTconInfo *pTcon; - struct inode *inode; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); char *buf = NULL; bool adjustTZ = false; - bool is_dfs_referral = false; - umode_t default_mode; + struct cifs_fattr fattr; pTcon = cifs_sb->tcon; cFYI(1, ("Getting info on %s", full_path)); @@ -487,163 +475,82 @@ int cifs_get_inode_info(struct inode **pinode, adjustTZ = true; } } - /* dump_mem("\nQPathInfo return data",&findData, sizeof(findData)); */ - if (rc == -EREMOTE) { - is_dfs_referral = true; - fill_fake_finddata(pfindData, sb); + + if (!rc) { + cifs_all_info_to_fattr(&fattr, (FILE_ALL_INFO *) pfindData, + cifs_sb, adjustTZ); + } else if (rc == -EREMOTE) { + cifs_create_dfs_fattr(&fattr, sb); rc = 0; - } else if (rc) + } else { goto cgii_exit; + } - attr = le32_to_cpu(pfindData->Attributes); - - /* get new inode */ + /* + * If an inode wasn't passed in, then get the inode number + * + * Is an i_ino of zero legal? Can we use that to check if the server + * supports returning inode numbers? Are there other sanity checks we + * can use to ensure that the server is really filling in that field? + * + * We can not use the IndexNumber field by default from Windows or + * Samba (in ALL_INFO buf) but we can request it explicitly. The SNIA + * CIFS spec claims that this value is unique within the scope of a + * share, and the windows docs hint that it's actually unique + * per-machine. + * + * There may be higher info levels that work but are there Windows + * server or network appliances for which IndexNumber field is not + * guaranteed unique? + */ if (*pinode == NULL) { - __u64 inode_num; - __u64 *pinum = &inode_num; - - /* Is an i_ino of zero legal? Can we use that to check - if the server supports returning inode numbers? Are - there other sanity checks we can use to ensure that - the server is really filling in that field? */ - - /* We can not use the IndexNumber field by default from - Windows or Samba (in ALL_INFO buf) but we can request - it explicitly. It may not be unique presumably if - the server has multiple devices mounted under one share */ - - /* There may be higher info levels that work but are - there Windows server or network appliances for which - IndexNumber field is not guaranteed unique? */ - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) { int rc1 = 0; rc1 = CIFSGetSrvInodeNumber(xid, pTcon, - full_path, pinum, + full_path, &fattr.cf_uniqueid, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc1) { - cFYI(1, ("GetSrvInodeNum rc %d", rc1)); - pinum = NULL; /* BB EOPNOSUPP disable SERVER_INUM? */ + cFYI(1, ("GetSrvInodeNum rc %d", rc1)); + fattr.cf_uniqueid = iunique(sb, ROOT_I); } } else { - pinum = NULL; - } - - *pinode = cifs_new_inode(sb, pinum); - if (*pinode == NULL) { - rc = -ENOMEM; - goto cgii_exit; + fattr.cf_uniqueid = iunique(sb, ROOT_I); } - } - inode = *pinode; - cifsInfo = CIFS_I(inode); - cifsInfo->cifsAttrs = attr; - cifsInfo->delete_pending = pfindData->DeletePending ? true : false; - cFYI(1, ("Old time %ld", cifsInfo->time)); - cifsInfo->time = jiffies; - cFYI(1, ("New time %ld", cifsInfo->time)); - - /* blksize needs to be multiple of two. So safer to default to - blksize and blkbits set in superblock so 2**blkbits and blksize - will match rather than setting to: - (pTcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFE00;*/ - - /* Linux can not store file creation time so ignore it */ - if (pfindData->LastAccessTime) - inode->i_atime = cifs_NTtimeToUnix(pfindData->LastAccessTime); - else /* do not need to use current_fs_time - time not stored */ - inode->i_atime = CURRENT_TIME; - inode->i_mtime = cifs_NTtimeToUnix(pfindData->LastWriteTime); - inode->i_ctime = cifs_NTtimeToUnix(pfindData->ChangeTime); - cFYI(DBG2, ("Attributes came in as 0x%x", attr)); - if (adjustTZ && (pTcon->ses) && (pTcon->ses->server)) { - inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj; - inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj; - } - - /* get default inode mode */ - if (attr & ATTR_DIRECTORY) - default_mode = cifs_sb->mnt_dir_mode; - else - default_mode = cifs_sb->mnt_file_mode; - - /* set permission bits */ - if (atomic_read(&cifsInfo->inUse) == 0 || - (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) == 0) - inode->i_mode = default_mode; - else { - /* just reenable write bits if !ATTR_READONLY */ - if ((inode->i_mode & S_IWUGO) == 0 && - (attr & ATTR_READONLY) == 0) - inode->i_mode |= (S_IWUGO & default_mode); - - inode->i_mode &= ~S_IFMT; - } - /* clear write bits if ATTR_READONLY is set */ - if (attr & ATTR_READONLY) - inode->i_mode &= ~S_IWUGO; - - /* set inode type */ - if ((attr & ATTR_SYSTEM) && - (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) { - /* no need to fix endianness on 0 */ - if (pfindData->EndOfFile == 0) - inode->i_mode |= S_IFIFO; - else if (decode_sfu_inode(inode, - le64_to_cpu(pfindData->EndOfFile), - full_path, cifs_sb, xid)) - cFYI(1, ("unknown SFU file type\n")); } else { - if (attr & ATTR_DIRECTORY) - inode->i_mode |= S_IFDIR; - else - inode->i_mode |= S_IFREG; + fattr.cf_uniqueid = CIFS_I(*pinode)->uniqueid; } - cifsInfo->server_eof = le64_to_cpu(pfindData->EndOfFile); - spin_lock(&inode->i_lock); - if (is_size_safe_to_change(cifsInfo, cifsInfo->server_eof)) { - /* can not safely shrink the file size here if the - client is writing to it due to potential races */ - i_size_write(inode, cifsInfo->server_eof); - - /* 512 bytes (2**9) is the fake blocksize that must be - used for this calculation */ - inode->i_blocks = (512 - 1 + le64_to_cpu( - pfindData->AllocationSize)) >> 9; + /* query for SFU type info if supported and needed */ + if (fattr.cf_cifsattrs & ATTR_SYSTEM && + cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { + tmprc = cifs_sfu_type(&fattr, full_path, cifs_sb, xid); + if (tmprc) + cFYI(1, ("cifs_sfu_type failed: %d", tmprc)); } - spin_unlock(&inode->i_lock); - inode->i_nlink = le32_to_cpu(pfindData->NumberOfLinks); - - /* BB fill in uid and gid here? with help from winbind? - or retrieve from NTFS stream extended attribute */ #ifdef CONFIG_CIFS_EXPERIMENTAL /* fill in 0777 bits from ACL */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { cFYI(1, ("Getting mode bits from ACL")); - acl_to_uid_mode(cifs_sb, inode, full_path, pfid); + cifs_acl_to_fattr(cifs_sb, &fattr, *pinode, full_path, pfid); } #endif - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { - /* fill in remaining high mode bits e.g. SUID, VTX */ - get_sfu_mode(inode, full_path, cifs_sb, xid); - } else if (atomic_read(&cifsInfo->inUse) == 0) { - inode->i_uid = cifs_sb->mnt_uid; - inode->i_gid = cifs_sb->mnt_gid; - /* set so we do not keep refreshing these fields with - bad data after user has changed them in memory */ - atomic_set(&cifsInfo->inUse, 1); - } - - cifs_set_ops(inode, is_dfs_referral); - + /* fill in remaining high mode bits e.g. SUID, VTX */ + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) + cifs_sfu_mode(&fattr, full_path, cifs_sb, xid); + if (!*pinode) { + *pinode = cifs_iget(sb, &fattr); + if (!*pinode) + rc = -ENOMEM; + } else { + cifs_fattr_to_inode(*pinode, &fattr); + } cgii_exit: kfree(buf); @@ -695,33 +602,78 @@ char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb) return full_path; } +static int +cifs_find_inode(struct inode *inode, void *opaque) +{ + struct cifs_fattr *fattr = (struct cifs_fattr *) opaque; + + if (CIFS_I(inode)->uniqueid != fattr->cf_uniqueid) + return 0; + + return 1; +} + +static int +cifs_init_inode(struct inode *inode, void *opaque) +{ + struct cifs_fattr *fattr = (struct cifs_fattr *) opaque; + + CIFS_I(inode)->uniqueid = fattr->cf_uniqueid; + return 0; +} + +/* Given fattrs, get a corresponding inode */ +struct inode * +cifs_iget(struct super_block *sb, struct cifs_fattr *fattr) +{ + unsigned long hash; + struct inode *inode; + + cFYI(1, ("looking for uniqueid=%llu", fattr->cf_uniqueid)); + + /* hash down to 32-bits on 32-bit arch */ + hash = cifs_uniqueid_to_ino_t(fattr->cf_uniqueid); + + inode = iget5_locked(sb, hash, cifs_find_inode, cifs_init_inode, fattr); + + /* we have fattrs in hand, update the inode */ + if (inode) { + cifs_fattr_to_inode(inode, fattr); + if (sb->s_flags & MS_NOATIME) + inode->i_flags |= S_NOATIME | S_NOCMTIME; + if (inode->i_state & I_NEW) { + inode->i_ino = hash; + unlock_new_inode(inode); + } + } + + return inode; +} + /* gets root inode */ struct inode *cifs_root_iget(struct super_block *sb, unsigned long ino) { int xid; struct cifs_sb_info *cifs_sb; - struct inode *inode; + struct inode *inode = NULL; long rc; char *full_path; - inode = iget_locked(sb, ino); - if (!inode) - return ERR_PTR(-ENOMEM); - if (!(inode->i_state & I_NEW)) - return inode; - - cifs_sb = CIFS_SB(inode->i_sb); + cifs_sb = CIFS_SB(sb); full_path = cifs_build_path_to_root(cifs_sb); if (full_path == NULL) return ERR_PTR(-ENOMEM); xid = GetXid(); if (cifs_sb->tcon->unix_ext) - rc = cifs_get_inode_info_unix(&inode, full_path, inode->i_sb, - xid); + rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid); else - rc = cifs_get_inode_info(&inode, full_path, NULL, inode->i_sb, + rc = cifs_get_inode_info(&inode, full_path, NULL, sb, xid, NULL); + + if (!inode) + return ERR_PTR(-ENOMEM); + if (rc && cifs_sb->tcon->ipc) { cFYI(1, ("ipc connection - fake read inode")); inode->i_mode |= S_IFDIR; @@ -737,7 +689,6 @@ struct inode *cifs_root_iget(struct super_block *sb, unsigned long ino) return ERR_PTR(rc); } - unlock_new_inode(inode); kfree(full_path); /* can not call macro FreeXid here since in a void func @@ -1063,44 +1014,6 @@ out_reval: return rc; } -void posix_fill_in_inode(struct inode *tmp_inode, - FILE_UNIX_BASIC_INFO *pData, int isNewInode) -{ - struct cifsInodeInfo *cifsInfo = CIFS_I(tmp_inode); - loff_t local_size; - struct timespec local_mtime; - - cifsInfo->time = jiffies; - atomic_inc(&cifsInfo->inUse); - - /* save mtime and size */ - local_mtime = tmp_inode->i_mtime; - local_size = tmp_inode->i_size; - - cifs_unix_info_to_inode(tmp_inode, pData, 1); - cifs_set_ops(tmp_inode, false); - - if (!S_ISREG(tmp_inode->i_mode)) - return; - - /* - * No sense invalidating pages for new inode - * since we we have not started caching - * readahead file data yet. - */ - if (isNewInode) - return; - - if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) && - (local_size == tmp_inode->i_size)) { - cFYI(1, ("inode exists but unchanged")); - } else { - /* file may have changed on server */ - cFYI(1, ("invalidate inode, readdir detected change")); - invalidate_remote_inode(tmp_inode); - } -} - int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode) { int rc = 0, tmprc; @@ -1109,6 +1022,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode) struct cifsTconInfo *pTcon; char *full_path = NULL; struct inode *newinode = NULL; + struct cifs_fattr fattr; cFYI(1, ("In cifs_mkdir, mode = 0x%x inode = 0x%p", mode, inode)); @@ -1148,7 +1062,6 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode) cFYI(1, ("posix mkdir returned 0x%x", rc)); d_drop(direntry); } else { - __u64 unique_id; if (pInfo->Type == cpu_to_le32(-1)) { /* no return info, go query for it */ kfree(pInfo); @@ -1162,20 +1075,15 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode) else direntry->d_op = &cifs_dentry_ops; - unique_id = le64_to_cpu(pInfo->UniqueId); - newinode = cifs_new_inode(inode->i_sb, &unique_id); - if (newinode == NULL) { + cifs_unix_basic_to_fattr(&fattr, pInfo, cifs_sb); + newinode = cifs_iget(inode->i_sb, &fattr); + if (!newinode) { kfree(pInfo); goto mkdir_get_info; } - newinode->i_nlink = 2; d_instantiate(direntry, newinode); - /* we already checked in POSIXCreate whether - frame was long enough */ - posix_fill_in_inode(direntry->d_inode, - pInfo, 1 /* NewInode */); #ifdef CONFIG_CIFS_DEBUG2 cFYI(1, ("instantiated dentry %p %s to inode %p", direntry, direntry->d_name.name, newinode)); @@ -1238,10 +1146,10 @@ mkdir_get_info: args.uid = NO_CHANGE_64; args.gid = NO_CHANGE_64; } - CIFSSMBUnixSetInfo(xid, pTcon, full_path, &args, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); + CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, &args, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); } else { if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) && (mode & S_IWUGO) == 0) { @@ -1622,6 +1530,7 @@ int cifs_getattr(struct vfsmount *mnt, struct dentry *dentry, if (!err) { generic_fillattr(dentry->d_inode, stat); stat->blksize = CIFS_MAX_MSGSIZE; + stat->ino = CIFS_I(dentry->d_inode)->uniqueid; } return err; } @@ -1786,6 +1695,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct cifsTconInfo *pTcon = cifs_sb->tcon; struct cifs_unix_set_info_args *args = NULL; + struct cifsFileInfo *open_file; cFYI(1, ("setattr_unix on file %s attrs->ia_valid=0x%x", direntry->d_name.name, attrs->ia_valid)); @@ -1872,10 +1782,18 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) args->ctime = NO_CHANGE_64; args->device = 0; - rc = CIFSSMBUnixSetInfo(xid, pTcon, full_path, args, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); + open_file = find_writable_file(cifsInode); + if (open_file) { + u16 nfid = open_file->netfid; + u32 npid = open_file->pid; + rc = CIFSSMBUnixSetFileInfo(xid, pTcon, args, nfid, npid); + atomic_dec(&open_file->wrtPending); + } else { + rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, args, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + } if (!rc) rc = inode_setattr(inode, attrs); diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 86d0055dc529..f823a4a208a7 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -63,374 +63,123 @@ static inline void dump_cifs_file_struct(struct file *file, char *label) } #endif /* DEBUG2 */ -/* Returns 1 if new inode created, 2 if both dentry and inode were */ -/* Might check in the future if inode number changed so we can rehash inode */ -static int -construct_dentry(struct qstr *qstring, struct file *file, - struct inode **ptmp_inode, struct dentry **pnew_dentry, - __u64 *inum) +/* + * Find the dentry that matches "name". If there isn't one, create one. If it's + * a negative dentry or the uniqueid changed, then drop it and recreate it. + */ +static struct dentry * +cifs_readdir_lookup(struct dentry *parent, struct qstr *name, + struct cifs_fattr *fattr) { - struct dentry *tmp_dentry = NULL; - struct super_block *sb = file->f_path.dentry->d_sb; - int rc = 0; + struct dentry *dentry, *alias; + struct inode *inode; + struct super_block *sb = parent->d_inode->i_sb; + + cFYI(1, ("For %s", name->name)); + + dentry = d_lookup(parent, name); + if (dentry) { + /* FIXME: check for inode number changes? */ + if (dentry->d_inode != NULL) + return dentry; + d_drop(dentry); + dput(dentry); + } - cFYI(1, ("For %s", qstring->name)); - - qstring->hash = full_name_hash(qstring->name, qstring->len); - tmp_dentry = d_lookup(file->f_path.dentry, qstring); - if (tmp_dentry) { - /* BB: overwrite old name? i.e. tmp_dentry->d_name and - * tmp_dentry->d_name.len?? - */ - cFYI(0, ("existing dentry with inode 0x%p", - tmp_dentry->d_inode)); - *ptmp_inode = tmp_dentry->d_inode; - if (*ptmp_inode == NULL) { - *ptmp_inode = cifs_new_inode(sb, inum); - if (*ptmp_inode == NULL) - return rc; - rc = 1; - } - } else { - tmp_dentry = d_alloc(file->f_path.dentry, qstring); - if (tmp_dentry == NULL) { - cERROR(1, ("Failed allocating dentry")); - *ptmp_inode = NULL; - return rc; - } + dentry = d_alloc(parent, name); + if (dentry == NULL) + return NULL; - if (CIFS_SB(sb)->tcon->nocase) - tmp_dentry->d_op = &cifs_ci_dentry_ops; - else - tmp_dentry->d_op = &cifs_dentry_ops; + inode = cifs_iget(sb, fattr); + if (!inode) { + dput(dentry); + return NULL; + } - *ptmp_inode = cifs_new_inode(sb, inum); - if (*ptmp_inode == NULL) - return rc; - rc = 2; + if (CIFS_SB(sb)->tcon->nocase) + dentry->d_op = &cifs_ci_dentry_ops; + else + dentry->d_op = &cifs_dentry_ops; + + alias = d_materialise_unique(dentry, inode); + if (alias != NULL) { + dput(dentry); + if (IS_ERR(alias)) + return NULL; + dentry = alias; } - tmp_dentry->d_time = jiffies; - *pnew_dentry = tmp_dentry; - return rc; + return dentry; } -static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, - char *buf, unsigned int *pobject_type, int isNewInode) +static void +cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb) { - loff_t local_size; - struct timespec local_mtime; - - struct cifsInodeInfo *cifsInfo = CIFS_I(tmp_inode); - struct cifs_sb_info *cifs_sb = CIFS_SB(tmp_inode->i_sb); - __u32 attr; - __u64 allocation_size; - __u64 end_of_file; - umode_t default_mode; - - /* save mtime and size */ - local_mtime = tmp_inode->i_mtime; - local_size = tmp_inode->i_size; - - if (new_buf_type) { - FILE_DIRECTORY_INFO *pfindData = (FILE_DIRECTORY_INFO *)buf; - - attr = le32_to_cpu(pfindData->ExtFileAttributes); - allocation_size = le64_to_cpu(pfindData->AllocationSize); - end_of_file = le64_to_cpu(pfindData->EndOfFile); - tmp_inode->i_atime = - cifs_NTtimeToUnix(pfindData->LastAccessTime); - tmp_inode->i_mtime = - cifs_NTtimeToUnix(pfindData->LastWriteTime); - tmp_inode->i_ctime = - cifs_NTtimeToUnix(pfindData->ChangeTime); - } else { /* legacy, OS2 and DOS style */ - int offset = cifs_sb->tcon->ses->server->timeAdj; - FIND_FILE_STANDARD_INFO *pfindData = - (FIND_FILE_STANDARD_INFO *)buf; - - tmp_inode->i_mtime = cnvrtDosUnixTm(pfindData->LastWriteDate, - pfindData->LastWriteTime, - offset); - tmp_inode->i_atime = cnvrtDosUnixTm(pfindData->LastAccessDate, - pfindData->LastAccessTime, - offset); - tmp_inode->i_ctime = cnvrtDosUnixTm(pfindData->LastWriteDate, - pfindData->LastWriteTime, - offset); - attr = le16_to_cpu(pfindData->Attributes); - allocation_size = le32_to_cpu(pfindData->AllocationSize); - end_of_file = le32_to_cpu(pfindData->DataSize); - } + fattr->cf_uid = cifs_sb->mnt_uid; + fattr->cf_gid = cifs_sb->mnt_gid; - /* Linux can not store file creation time unfortunately so ignore it */ - - cifsInfo->cifsAttrs = attr; -#ifdef CONFIG_CIFS_EXPERIMENTAL - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { - /* get more accurate mode via ACL - so force inode refresh */ - cifsInfo->time = 0; - } else -#endif /* CONFIG_CIFS_EXPERIMENTAL */ - cifsInfo->time = jiffies; - - /* treat dos attribute of read-only as read-only mode bit e.g. 555? */ - /* 2767 perms - indicate mandatory locking */ - /* BB fill in uid and gid here? with help from winbind? - or retrieve from NTFS stream extended attribute */ - if (atomic_read(&cifsInfo->inUse) == 0) { - tmp_inode->i_uid = cifs_sb->mnt_uid; - tmp_inode->i_gid = cifs_sb->mnt_gid; - } - - if (attr & ATTR_DIRECTORY) - default_mode = cifs_sb->mnt_dir_mode; - else - default_mode = cifs_sb->mnt_file_mode; - - /* set initial permissions */ - if ((atomic_read(&cifsInfo->inUse) == 0) || - (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) == 0) - tmp_inode->i_mode = default_mode; - else { - /* just reenable write bits if !ATTR_READONLY */ - if ((tmp_inode->i_mode & S_IWUGO) == 0 && - (attr & ATTR_READONLY) == 0) - tmp_inode->i_mode |= (S_IWUGO & default_mode); - - tmp_inode->i_mode &= ~S_IFMT; + if (fattr->cf_cifsattrs & ATTR_DIRECTORY) { + fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode; + fattr->cf_dtype = DT_DIR; + } else { + fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode; + fattr->cf_dtype = DT_REG; } - /* clear write bits if ATTR_READONLY is set */ - if (attr & ATTR_READONLY) - tmp_inode->i_mode &= ~S_IWUGO; + if (fattr->cf_cifsattrs & ATTR_READONLY) + fattr->cf_mode &= ~S_IWUGO; - /* set inode type */ - if ((attr & ATTR_SYSTEM) && - (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) { - if (end_of_file == 0) { - tmp_inode->i_mode |= S_IFIFO; - *pobject_type = DT_FIFO; + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL && + fattr->cf_cifsattrs & ATTR_SYSTEM) { + if (fattr->cf_eof == 0) { + fattr->cf_mode &= ~S_IFMT; + fattr->cf_mode |= S_IFIFO; + fattr->cf_dtype = DT_FIFO; } else { /* - * trying to get the type can be slow, so just call - * this a regular file for now, and mark for reval + * trying to get the type and mode via SFU can be slow, + * so just call those regular files for now, and mark + * for reval */ - tmp_inode->i_mode |= S_IFREG; - *pobject_type = DT_REG; - cifsInfo->time = 0; - } - } else { - if (attr & ATTR_DIRECTORY) { - tmp_inode->i_mode |= S_IFDIR; - *pobject_type = DT_DIR; - } else { - tmp_inode->i_mode |= S_IFREG; - *pobject_type = DT_REG; + fattr->cf_flags |= CIFS_FATTR_NEED_REVAL; } } +} - /* can not fill in nlink here as in qpathinfo version and Unx search */ - if (atomic_read(&cifsInfo->inUse) == 0) - atomic_set(&cifsInfo->inUse, 1); - - cifsInfo->server_eof = end_of_file; - spin_lock(&tmp_inode->i_lock); - if (is_size_safe_to_change(cifsInfo, end_of_file)) { - /* can not safely change the file size here if the - client is writing to it due to potential races */ - i_size_write(tmp_inode, end_of_file); - - /* 512 bytes (2**9) is the fake blocksize that must be used */ - /* for this calculation, even though the reported blocksize is larger */ - tmp_inode->i_blocks = (512 - 1 + allocation_size) >> 9; - } - spin_unlock(&tmp_inode->i_lock); - - if (allocation_size < end_of_file) - cFYI(1, ("May be sparse file, allocation less than file size")); - cFYI(1, ("File Size %ld and blocks %llu", - (unsigned long)tmp_inode->i_size, - (unsigned long long)tmp_inode->i_blocks)); - if (S_ISREG(tmp_inode->i_mode)) { - cFYI(1, ("File inode")); - tmp_inode->i_op = &cifs_file_inode_ops; - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) { - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) - tmp_inode->i_fop = &cifs_file_direct_nobrl_ops; - else - tmp_inode->i_fop = &cifs_file_direct_ops; - } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) - tmp_inode->i_fop = &cifs_file_nobrl_ops; - else - tmp_inode->i_fop = &cifs_file_ops; - - if ((cifs_sb->tcon) && (cifs_sb->tcon->ses) && - (cifs_sb->tcon->ses->server->maxBuf < - PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)) - tmp_inode->i_data.a_ops = &cifs_addr_ops_smallbuf; - else - tmp_inode->i_data.a_ops = &cifs_addr_ops; - - if (isNewInode) - return; /* No sense invalidating pages for new inode - since have not started caching readahead file - data yet */ - - if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) && - (local_size == tmp_inode->i_size)) { - cFYI(1, ("inode exists but unchanged")); - } else { - /* file may have changed on server */ - cFYI(1, ("invalidate inode, readdir detected change")); - invalidate_remote_inode(tmp_inode); - } - } else if (S_ISDIR(tmp_inode->i_mode)) { - cFYI(1, ("Directory inode")); - tmp_inode->i_op = &cifs_dir_inode_ops; - tmp_inode->i_fop = &cifs_dir_ops; - } else if (S_ISLNK(tmp_inode->i_mode)) { - cFYI(1, ("Symbolic Link inode")); - tmp_inode->i_op = &cifs_symlink_inode_ops; - } else { - cFYI(1, ("Init special inode")); - init_special_inode(tmp_inode, tmp_inode->i_mode, - tmp_inode->i_rdev); - } +void +cifs_dir_info_to_fattr(struct cifs_fattr *fattr, FILE_DIRECTORY_INFO *info, + struct cifs_sb_info *cifs_sb) +{ + memset(fattr, 0, sizeof(*fattr)); + fattr->cf_cifsattrs = le32_to_cpu(info->ExtFileAttributes); + fattr->cf_eof = le64_to_cpu(info->EndOfFile); + fattr->cf_bytes = le64_to_cpu(info->AllocationSize); + fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime); + fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime); + fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime); + + cifs_fill_common_info(fattr, cifs_sb); } -static void unix_fill_in_inode(struct inode *tmp_inode, - FILE_UNIX_INFO *pfindData, unsigned int *pobject_type, int isNewInode) +void +cifs_std_info_to_fattr(struct cifs_fattr *fattr, FIND_FILE_STANDARD_INFO *info, + struct cifs_sb_info *cifs_sb) { - loff_t local_size; - struct timespec local_mtime; - - struct cifsInodeInfo *cifsInfo = CIFS_I(tmp_inode); - struct cifs_sb_info *cifs_sb = CIFS_SB(tmp_inode->i_sb); - - __u32 type = le32_to_cpu(pfindData->Type); - __u64 num_of_bytes = le64_to_cpu(pfindData->NumOfBytes); - __u64 end_of_file = le64_to_cpu(pfindData->EndOfFile); - cifsInfo->time = jiffies; - atomic_inc(&cifsInfo->inUse); - - /* save mtime and size */ - local_mtime = tmp_inode->i_mtime; - local_size = tmp_inode->i_size; - - tmp_inode->i_atime = - cifs_NTtimeToUnix(pfindData->LastAccessTime); - tmp_inode->i_mtime = - cifs_NTtimeToUnix(pfindData->LastModificationTime); - tmp_inode->i_ctime = - cifs_NTtimeToUnix(pfindData->LastStatusChange); - - tmp_inode->i_mode = le64_to_cpu(pfindData->Permissions); - /* since we set the inode type below we need to mask off type - to avoid strange results if bits above were corrupt */ - tmp_inode->i_mode &= ~S_IFMT; - if (type == UNIX_FILE) { - *pobject_type = DT_REG; - tmp_inode->i_mode |= S_IFREG; - } else if (type == UNIX_SYMLINK) { - *pobject_type = DT_LNK; - tmp_inode->i_mode |= S_IFLNK; - } else if (type == UNIX_DIR) { - *pobject_type = DT_DIR; - tmp_inode->i_mode |= S_IFDIR; - } else if (type == UNIX_CHARDEV) { - *pobject_type = DT_CHR; - tmp_inode->i_mode |= S_IFCHR; - tmp_inode->i_rdev = MKDEV(le64_to_cpu(pfindData->DevMajor), - le64_to_cpu(pfindData->DevMinor) & MINORMASK); - } else if (type == UNIX_BLOCKDEV) { - *pobject_type = DT_BLK; - tmp_inode->i_mode |= S_IFBLK; - tmp_inode->i_rdev = MKDEV(le64_to_cpu(pfindData->DevMajor), - le64_to_cpu(pfindData->DevMinor) & MINORMASK); - } else if (type == UNIX_FIFO) { - *pobject_type = DT_FIFO; - tmp_inode->i_mode |= S_IFIFO; - } else if (type == UNIX_SOCKET) { - *pobject_type = DT_SOCK; - tmp_inode->i_mode |= S_IFSOCK; - } else { - /* safest to just call it a file */ - *pobject_type = DT_REG; - tmp_inode->i_mode |= S_IFREG; - cFYI(1, ("unknown inode type %d", type)); - } + int offset = cifs_sb->tcon->ses->server->timeAdj; - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) - tmp_inode->i_uid = cifs_sb->mnt_uid; - else - tmp_inode->i_uid = le64_to_cpu(pfindData->Uid); - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) - tmp_inode->i_gid = cifs_sb->mnt_gid; - else - tmp_inode->i_gid = le64_to_cpu(pfindData->Gid); - tmp_inode->i_nlink = le64_to_cpu(pfindData->Nlinks); - - cifsInfo->server_eof = end_of_file; - spin_lock(&tmp_inode->i_lock); - if (is_size_safe_to_change(cifsInfo, end_of_file)) { - /* can not safely change the file size here if the - client is writing to it due to potential races */ - i_size_write(tmp_inode, end_of_file); - - /* 512 bytes (2**9) is the fake blocksize that must be used */ - /* for this calculation, not the real blocksize */ - tmp_inode->i_blocks = (512 - 1 + num_of_bytes) >> 9; - } - spin_unlock(&tmp_inode->i_lock); + memset(fattr, 0, sizeof(*fattr)); + fattr->cf_atime = cnvrtDosUnixTm(info->LastAccessDate, + info->LastAccessTime, offset); + fattr->cf_ctime = cnvrtDosUnixTm(info->LastWriteDate, + info->LastWriteTime, offset); + fattr->cf_mtime = cnvrtDosUnixTm(info->LastWriteDate, + info->LastWriteTime, offset); - if (S_ISREG(tmp_inode->i_mode)) { - cFYI(1, ("File inode")); - tmp_inode->i_op = &cifs_file_inode_ops; + fattr->cf_cifsattrs = le16_to_cpu(info->Attributes); + fattr->cf_bytes = le32_to_cpu(info->AllocationSize); + fattr->cf_eof = le32_to_cpu(info->DataSize); - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) { - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) - tmp_inode->i_fop = &cifs_file_direct_nobrl_ops; - else - tmp_inode->i_fop = &cifs_file_direct_ops; - } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) - tmp_inode->i_fop = &cifs_file_nobrl_ops; - else - tmp_inode->i_fop = &cifs_file_ops; - - if ((cifs_sb->tcon) && (cifs_sb->tcon->ses) && - (cifs_sb->tcon->ses->server->maxBuf < - PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)) - tmp_inode->i_data.a_ops = &cifs_addr_ops_smallbuf; - else - tmp_inode->i_data.a_ops = &cifs_addr_ops; - - if (isNewInode) - return; /* No sense invalidating pages for new inode - since we have not started caching readahead - file data for it yet */ - - if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) && - (local_size == tmp_inode->i_size)) { - cFYI(1, ("inode exists but unchanged")); - } else { - /* file may have changed on server */ - cFYI(1, ("invalidate inode, readdir detected change")); - invalidate_remote_inode(tmp_inode); - } - } else if (S_ISDIR(tmp_inode->i_mode)) { - cFYI(1, ("Directory inode")); - tmp_inode->i_op = &cifs_dir_inode_ops; - tmp_inode->i_fop = &cifs_dir_ops; - } else if (S_ISLNK(tmp_inode->i_mode)) { - cFYI(1, ("Symbolic Link inode")); - tmp_inode->i_op = &cifs_symlink_inode_ops; -/* tmp_inode->i_fop = *//* do not need to set to anything */ - } else { - cFYI(1, ("Special inode")); - init_special_inode(tmp_inode, tmp_inode->i_mode, - tmp_inode->i_rdev); - } + cifs_fill_common_info(fattr, cifs_sb); } /* BB eventually need to add the following helper function to @@ -872,7 +621,7 @@ static int cifs_get_name_from_search_buf(struct qstr *pqst, len = strnlen(filename, PATH_MAX); } - *pinum = le64_to_cpu(pFindData->UniqueId); + *pinum = le64_to_cpu(pFindData->basic.UniqueId); } else if (level == SMB_FIND_FILE_DIRECTORY_INFO) { FILE_DIRECTORY_INFO *pFindData = (FILE_DIRECTORY_INFO *)current_entry; @@ -932,11 +681,12 @@ static int cifs_filldir(char *pfindEntry, struct file *file, filldir_t filldir, int rc = 0; struct qstr qstring; struct cifsFileInfo *pCifsF; - unsigned int obj_type; - __u64 inum; + u64 inum; + ino_t ino; + struct super_block *sb; struct cifs_sb_info *cifs_sb; - struct inode *tmp_inode; struct dentry *tmp_dentry; + struct cifs_fattr fattr; /* get filename and len into qstring */ /* get dentry */ @@ -954,60 +704,53 @@ static int cifs_filldir(char *pfindEntry, struct file *file, filldir_t filldir, if (rc != 0) return 0; - cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); + sb = file->f_path.dentry->d_sb; + cifs_sb = CIFS_SB(sb); qstring.name = scratch_buf; rc = cifs_get_name_from_search_buf(&qstring, pfindEntry, pCifsF->srch_inf.info_level, pCifsF->srch_inf.unicode, cifs_sb, - max_len, - &inum /* returned */); + max_len, &inum /* returned */); if (rc) return rc; - /* only these two infolevels return valid inode numbers */ - if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX || - pCifsF->srch_inf.info_level == SMB_FIND_FILE_ID_FULL_DIR_INFO) - rc = construct_dentry(&qstring, file, &tmp_inode, &tmp_dentry, - &inum); - else - rc = construct_dentry(&qstring, file, &tmp_inode, &tmp_dentry, - NULL); - - if ((tmp_inode == NULL) || (tmp_dentry == NULL)) - return -ENOMEM; - - /* we pass in rc below, indicating whether it is a new inode, - so we can figure out whether to invalidate the inode cached - data if the file has changed */ if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX) - unix_fill_in_inode(tmp_inode, - (FILE_UNIX_INFO *)pfindEntry, - &obj_type, rc); + cifs_unix_basic_to_fattr(&fattr, + &((FILE_UNIX_INFO *) pfindEntry)->basic, + cifs_sb); else if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_INFO_STANDARD) - fill_in_inode(tmp_inode, 0 /* old level 1 buffer type */, - pfindEntry, &obj_type, rc); + cifs_std_info_to_fattr(&fattr, (FIND_FILE_STANDARD_INFO *) + pfindEntry, cifs_sb); else - fill_in_inode(tmp_inode, 1 /* NT */, pfindEntry, &obj_type, rc); + cifs_dir_info_to_fattr(&fattr, (FILE_DIRECTORY_INFO *) + pfindEntry, cifs_sb); - if (rc) /* new inode - needs to be tied to dentry */ { - d_instantiate(tmp_dentry, tmp_inode); - if (rc == 2) - d_rehash(tmp_dentry); - } + /* FIXME: make _to_fattr functions fill this out */ + if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_ID_FULL_DIR_INFO) + fattr.cf_uniqueid = inum; + else + fattr.cf_uniqueid = iunique(sb, ROOT_I); + ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid); + tmp_dentry = cifs_readdir_lookup(file->f_dentry, &qstring, &fattr); rc = filldir(direntry, qstring.name, qstring.len, file->f_pos, - tmp_inode->i_ino, obj_type); + ino, fattr.cf_dtype); + + /* + * we can not return filldir errors to the caller since they are + * "normal" when the stat blocksize is too small - we return remapped + * error instead + * + * FIXME: This looks bogus. filldir returns -EOVERFLOW in the above + * case already. Why should we be clobbering other errors from it? + */ if (rc) { cFYI(1, ("filldir rc = %d", rc)); - /* we can not return filldir errors to the caller - since they are "normal" when the stat blocksize - is too small - we return remapped error instead */ rc = -EOVERFLOW; } - dput(tmp_dentry); return rc; } diff --git a/fs/compat.c b/fs/compat.c index cdd51a3a7c53..94502dab972a 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -32,7 +32,6 @@ #include <linux/smb_mount.h> #include <linux/ncp_mount.h> #include <linux/nfs4_mount.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/ctype.h> #include <linux/module.h> @@ -1486,8 +1485,8 @@ int compat_do_execve(char * filename, if (!bprm) goto out_files; - retval = mutex_lock_interruptible(¤t->cred_guard_mutex); - if (retval < 0) + retval = -ERESTARTNOINTR; + if (mutex_lock_interruptible(¤t->cred_guard_mutex)) goto out_free; current->in_execve = 1; diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 626c7483b4de..f28f070a60fc 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -19,6 +19,7 @@ #include <linux/compiler.h> #include <linux/sched.h> #include <linux/smp.h> +#include <linux/smp_lock.h> #include <linux/ioctl.h> #include <linux/if.h> #include <linux/if_bridge.h> diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 205ec95b347e..eb507c453c5f 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -435,7 +435,7 @@ static int search_rsb(struct dlm_ls *ls, char *name, int len, int b, static int find_rsb(struct dlm_ls *ls, char *name, int namelen, unsigned int flags, struct dlm_rsb **r_ret) { - struct dlm_rsb *r, *tmp; + struct dlm_rsb *r = NULL, *tmp; uint32_t hash, bucket; int error = -EINVAL; diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index cdb580a9c7a2..618a60f03886 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -902,7 +902,7 @@ static void tcp_connect_to_sock(struct connection *con) int result = -EHOSTUNREACH; struct sockaddr_storage saddr, src_addr; int addr_len; - struct socket *sock; + struct socket *sock = NULL; if (con->nodeid == 0) { log_print("attempt to connect sock 0 foiled"); @@ -962,6 +962,8 @@ out_err: if (con->sock) { sock_release(con->sock); con->sock = NULL; + } else if (sock) { + sock_release(sock); } /* * Some errors are fatal and this list might need adjusting. For other diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c index 894a32d438d5..16f682e26c07 100644 --- a/fs/dlm/plock.c +++ b/fs/dlm/plock.c @@ -353,7 +353,7 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count, { struct dlm_plock_info info; struct plock_op *op; - int found = 0; + int found = 0, do_callback = 0; if (count != sizeof(info)) return -EINVAL; @@ -366,21 +366,24 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count, spin_lock(&ops_lock); list_for_each_entry(op, &recv_list, list) { - if (op->info.fsid == info.fsid && op->info.number == info.number && + if (op->info.fsid == info.fsid && + op->info.number == info.number && op->info.owner == info.owner) { + struct plock_xop *xop = (struct plock_xop *)op; list_del_init(&op->list); - found = 1; - op->done = 1; memcpy(&op->info, &info, sizeof(info)); + if (xop->callback) + do_callback = 1; + else + op->done = 1; + found = 1; break; } } spin_unlock(&ops_lock); if (found) { - struct plock_xop *xop; - xop = (struct plock_xop *)op; - if (xop->callback) + if (do_callback) dlm_plock_callback(op); else wake_up(&recv_wq); diff --git a/fs/exec.c b/fs/exec.c index e639957d7a57..4a8849e45b21 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1277,8 +1277,8 @@ int do_execve(char * filename, if (!bprm) goto out_files; - retval = mutex_lock_interruptible(¤t->cred_guard_mutex); - if (retval < 0) + retval = -ERESTARTNOINTR; + if (mutex_lock_interruptible(¤t->cred_guard_mutex)) goto out_free; current->in_execve = 1; diff --git a/fs/exofs/common.h b/fs/exofs/common.h index 24667eedc023..c6718e4817fe 100644 --- a/fs/exofs/common.h +++ b/fs/exofs/common.h @@ -2,9 +2,7 @@ * common.h - Common definitions for both Kernel and user-mode utilities * * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * diff --git a/fs/exofs/dir.c b/fs/exofs/dir.c index 65b0c8c776a1..4cfab1cc75c0 100644 --- a/fs/exofs/dir.c +++ b/fs/exofs/dir.c @@ -1,8 +1,6 @@ /* * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h index 0fd4c7859679..5ec72e020b22 100644 --- a/fs/exofs/exofs.h +++ b/fs/exofs/exofs.h @@ -1,8 +1,6 @@ /* * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * @@ -156,6 +154,9 @@ ino_t exofs_parent_ino(struct dentry *child); int exofs_set_link(struct inode *, struct exofs_dir_entry *, struct page *, struct inode *); +/* super.c */ +int exofs_sync_fs(struct super_block *sb, int wait); + /********************* * operation vectors * *********************/ diff --git a/fs/exofs/file.c b/fs/exofs/file.c index 6ed7fe484752..839b9dc1e70f 100644 --- a/fs/exofs/file.c +++ b/fs/exofs/file.c @@ -1,8 +1,6 @@ /* * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * @@ -47,16 +45,23 @@ static int exofs_file_fsync(struct file *filp, struct dentry *dentry, { int ret; struct address_space *mapping = filp->f_mapping; + struct inode *inode = dentry->d_inode; + struct super_block *sb; ret = filemap_write_and_wait(mapping); if (ret) return ret; - /*Note: file_fsync below also calles sync_blockdev, which is a no-op - * for exofs, but other then that it does sync_inode and - * sync_superblock which is what we need here. - */ - return file_fsync(filp, dentry, datasync); + /* sync the inode attributes */ + ret = write_inode_now(inode, 1); + + /* This is a good place to write the sb */ + /* TODO: Sechedule an sb-sync on create */ + sb = inode->i_sb; + if (sb->s_dirt) + exofs_sync_fs(sb, 1); + + return ret; } static int exofs_flush(struct file *file, fl_owner_t id) diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index 77d0a295eb1c..6c10f7476699 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -1,8 +1,6 @@ /* * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * @@ -295,6 +293,9 @@ static int read_exec(struct page_collect *pcol, bool is_sync) err: if (!is_sync) _unlock_pcol_pages(pcol, ret, READ); + else /* Pages unlocked by caller in sync mode only free bio */ + pcol_free(pcol); + kfree(pcol_copy); if (or) osd_end_request(or); diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c index 77fdd765e76d..b7dd0c236863 100644 --- a/fs/exofs/namei.c +++ b/fs/exofs/namei.c @@ -1,8 +1,6 @@ /* * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * diff --git a/fs/exofs/osd.c b/fs/exofs/osd.c index b3d2ccb87aaa..4372542df284 100644 --- a/fs/exofs/osd.c +++ b/fs/exofs/osd.c @@ -1,8 +1,6 @@ /* * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * diff --git a/fs/exofs/super.c b/fs/exofs/super.c index 8216c5b77b53..5ab10c3bbebe 100644 --- a/fs/exofs/super.c +++ b/fs/exofs/super.c @@ -1,8 +1,6 @@ /* * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * @@ -33,6 +31,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/parser.h> #include <linux/vfs.h> @@ -200,7 +199,7 @@ static const struct export_operations exofs_export_ops; /* * Write the superblock to the OSD */ -static int exofs_sync_fs(struct super_block *sb, int wait) +int exofs_sync_fs(struct super_block *sb, int wait) { struct exofs_sb_info *sbi; struct exofs_fscb *fscb; diff --git a/fs/exofs/symlink.c b/fs/exofs/symlink.c index 36e2d7bc7f7b..4dd687c3e747 100644 --- a/fs/exofs/symlink.c +++ b/fs/exofs/symlink.c @@ -1,8 +1,6 @@ /* * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) (avishay@il.ibm.com) - * Copyright (C) 2005, 2006 - * International Business Machines + * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh <bharrosh@panasas.com> * diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index 7cb4badef927..e7431309bdca 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/compat.h> #include <linux/mount.h> -#include <linux/smp_lock.h> #include <asm/current.h> #include <asm/uaccess.h> diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 01f149aea841..7050a9cd04a4 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -12,7 +12,6 @@ #include <linux/capability.h> #include <linux/time.h> #include <linux/compat.h> -#include <linux/smp_lock.h> #include <linux/mount.h> #include <linux/file.h> #include <asm/uaccess.h> diff --git a/fs/fat/dir.c b/fs/fat/dir.c index 38ff75a0fe22..530b4ca01510 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -16,7 +16,6 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/time.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/compat.h> #include <asm/uaccess.h> diff --git a/fs/fat/file.c b/fs/fat/file.c index b28ea646ff60..f042b965c95c 100644 --- a/fs/fat/file.c +++ b/fs/fat/file.c @@ -134,7 +134,7 @@ static int fat_file_release(struct inode *inode, struct file *filp) if ((filp->f_mode & FMODE_WRITE) && MSDOS_SB(inode->i_sb)->options.flush) { fat_flush_inodes(inode->i_sb, inode, NULL); - congestion_wait(WRITE, HZ/10); + congestion_wait(BLK_RW_ASYNC, HZ/10); } return 0; } diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index 82f88733b681..bbc94ae4fd77 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -9,7 +9,6 @@ #include <linux/module.h> #include <linux/time.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include "fat.h" /* Characters that are undesirable in an MS-DOS file name */ diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 73471b7ecc8c..cb6e83557112 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -19,7 +19,6 @@ #include <linux/jiffies.h> #include <linux/ctype.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/namei.h> #include "fat.h" diff --git a/fs/fcntl.c b/fs/fcntl.c index a040b764f8e3..ae413086db97 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -19,7 +19,6 @@ #include <linux/signal.h> #include <linux/rcupdate.h> #include <linux/pid_namespace.h> -#include <linux/smp_lock.h> #include <asm/poll.h> #include <asm/siginfo.h> diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c index cdbd1654e4cd..1e8af939b3e4 100644 --- a/fs/freevxfs/vxfs_super.c +++ b/fs/freevxfs/vxfs_super.c @@ -38,6 +38,7 @@ #include <linux/buffer_head.h> #include <linux/kernel.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/stat.h> #include <linux/vfs.h> #include <linux/mount.h> diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index f58ecbc416c8..6484eb75acd6 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -286,8 +286,8 @@ __releases(&fc->lock) } if (fc->num_background == FUSE_CONGESTION_THRESHOLD && fc->connected && fc->bdi_initialized) { - clear_bdi_congested(&fc->bdi, READ); - clear_bdi_congested(&fc->bdi, WRITE); + clear_bdi_congested(&fc->bdi, BLK_RW_SYNC); + clear_bdi_congested(&fc->bdi, BLK_RW_ASYNC); } fc->num_background--; fc->active_background--; @@ -414,8 +414,8 @@ static void fuse_request_send_nowait_locked(struct fuse_conn *fc, fc->blocked = 1; if (fc->num_background == FUSE_CONGESTION_THRESHOLD && fc->bdi_initialized) { - set_bdi_congested(&fc->bdi, READ); - set_bdi_congested(&fc->bdi, WRITE); + set_bdi_congested(&fc->bdi, BLK_RW_SYNC); + set_bdi_congested(&fc->bdi, BLK_RW_ASYNC); } list_add_tail(&req->list, &fc->bg_queue); flush_bg_queue(fc); diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h index 98d6ef1c1dc0..148d55c14171 100644 --- a/fs/gfs2/trace_gfs2.h +++ b/fs/gfs2/trace_gfs2.h @@ -1,12 +1,11 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM gfs2 + #if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_GFS2_H #include <linux/tracepoint.h> -#undef TRACE_SYSTEM -#define TRACE_SYSTEM gfs2 -#define TRACE_INCLUDE_FILE trace_gfs2 - #include <linux/fs.h> #include <linux/buffer_head.h> #include <linux/dlmconstants.h> @@ -403,5 +402,6 @@ TRACE_EVENT(gfs2_block_alloc, /* This part must be outside protection */ #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . +#define TRACE_INCLUDE_FILE trace_gfs2 #include <trace/define_trace.h> diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 6f833dc8e910..f7fcbe49da72 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -19,6 +19,7 @@ #include <linux/nls.h> #include <linux/parser.h> #include <linux/seq_file.h> +#include <linux/smp_lock.h> #include <linux/vfs.h> #include "hfs_fs.h" diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 9fc3af0c0dab..c0759fe0855b 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -12,6 +12,7 @@ #include <linux/pagemap.h> #include <linux/fs.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/vfs.h> #include <linux/nls.h> diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c index 6916c41d7017..8865c94f55f6 100644 --- a/fs/hpfs/dir.c +++ b/fs/hpfs/dir.c @@ -6,6 +6,7 @@ * directory VFS functions */ +#include <linux/smp_lock.h> #include "hpfs_fn.h" static int hpfs_dir_release(struct inode *inode, struct file *filp) diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c index 64ab52259204..3efabff00367 100644 --- a/fs/hpfs/file.c +++ b/fs/hpfs/file.c @@ -6,6 +6,7 @@ * file VFS functions */ +#include <linux/smp_lock.h> #include "hpfs_fn.h" #define BLOCKS(size) (((size) + 511) >> 9) diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h index c2ea31bae313..701ca54c0867 100644 --- a/fs/hpfs/hpfs_fn.h +++ b/fs/hpfs/hpfs_fn.h @@ -13,7 +13,6 @@ #include <linux/pagemap.h> #include <linux/buffer_head.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include "hpfs.h" diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c index 39a1bfbea312..fe703ae46bc7 100644 --- a/fs/hpfs/inode.c +++ b/fs/hpfs/inode.c @@ -6,6 +6,7 @@ * inode VFS functions */ +#include <linux/smp_lock.h> #include "hpfs_fn.h" void hpfs_init_inode(struct inode *i) diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c index b649232dde97..82b9c4ba9ed0 100644 --- a/fs/hpfs/namei.c +++ b/fs/hpfs/namei.c @@ -6,6 +6,7 @@ * adding & removing files & directories */ #include <linux/sched.h> +#include <linux/smp_lock.h> #include "hpfs_fn.h" static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 58a7963e168a..85f96bc651c7 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -142,6 +142,7 @@ static const struct dentry_operations isofs_dentry_ops[] = { struct iso9660_options{ unsigned int rock:1; + unsigned int joliet:1; unsigned int cruft:1; unsigned int hide:1; unsigned int showassoc:1; @@ -151,7 +152,6 @@ struct iso9660_options{ unsigned int gid_set:1; unsigned int utf8:1; unsigned char map; - char joliet; unsigned char check; unsigned int blocksize; mode_t fmode; @@ -632,7 +632,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent) else if (isonum_711(vdp->type) == ISO_VD_SUPPLEMENTARY) { sec = (struct iso_supplementary_descriptor *)vdp; if (sec->escape[0] == 0x25 && sec->escape[1] == 0x2f) { - if (opt.joliet == 'y') { + if (opt.joliet) { if (sec->escape[2] == 0x40) joliet_level = 1; else if (sec->escape[2] == 0x43) diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c index a0244740b75a..b47679be118a 100644 --- a/fs/jffs2/erase.c +++ b/fs/jffs2/erase.c @@ -270,19 +270,21 @@ static inline void jffs2_remove_node_refs_from_ino_list(struct jffs2_sb_info *c, D2({ int i=0; struct jffs2_raw_node_ref *this; - printk(KERN_DEBUG "After remove_node_refs_from_ino_list: \n" KERN_DEBUG); + printk(KERN_DEBUG "After remove_node_refs_from_ino_list: \n"); this = ic->nodes; + printk(KERN_DEBUG); while(this) { - printk( "0x%08x(%d)->", ref_offset(this), ref_flags(this)); + printk(KERN_CONT "0x%08x(%d)->", + ref_offset(this), ref_flags(this)); if (++i == 5) { - printk("\n" KERN_DEBUG); + printk(KERN_DEBUG); i=0; } this = this->next_in_ino; } - printk("\n"); + printk(KERN_CONT "\n"); }); switch (ic->class) { diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index 07a22caf2687..0035c021395a 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/list.h> #include <linux/fs.h> diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index f2fdcbce143e..4336adba952a 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -7,6 +7,7 @@ */ #include <linux/module.h> +#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/fs.h> diff --git a/fs/lockd/svc4proc.c b/fs/lockd/svc4proc.c index 1725037374c5..bd173a6ca3b1 100644 --- a/fs/lockd/svc4proc.c +++ b/fs/lockd/svc4proc.c @@ -10,6 +10,7 @@ #include <linux/types.h> #include <linux/time.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/in.h> #include <linux/sunrpc/svc.h> #include <linux/sunrpc/clnt.h> diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c index 3688e55901fc..e1d28ddd2169 100644 --- a/fs/lockd/svcproc.c +++ b/fs/lockd/svcproc.c @@ -10,6 +10,7 @@ #include <linux/types.h> #include <linux/time.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/in.h> #include <linux/sunrpc/svc.h> #include <linux/sunrpc/clnt.h> diff --git a/fs/namespace.c b/fs/namespace.c index 3dc283fd4716..277c28a63ead 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -22,6 +22,7 @@ #include <linux/seq_file.h> #include <linux/mnt_namespace.h> #include <linux/namei.h> +#include <linux/nsproxy.h> #include <linux/security.h> #include <linux/mount.h> #include <linux/ramfs.h> diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index af05b918cb5b..6dd48a4405b4 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -10,6 +10,7 @@ #include <linux/kthread.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/nfs4.h> diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 89f98e9a024b..38d42c29fb92 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -29,7 +29,6 @@ #include <linux/nfs_fs.h> #include <linux/nfs_mount.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/pagevec.h> #include <linux/namei.h> #include <linux/mount.h> diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 0055b813ec2c..05062329b678 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -26,7 +26,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/aio.h> #include <asm/uaccess.h> diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c index 46177cb87064..b35d2a616066 100644 --- a/fs/nfs/getroot.c +++ b/fs/nfs/getroot.c @@ -30,7 +30,6 @@ #include <linux/nfs_idmap.h> #include <linux/vfs.h> #include <linux/namei.h> -#include <linux/mnt_namespace.h> #include <linux/security.h> #include <asm/system.h> diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 64f87194d390..bd7938eda6a8 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -30,7 +30,6 @@ #include <linux/nfs_mount.h> #include <linux/nfs4_mount.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/mount.h> #include <linux/nfs_idmap.h> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 92ce43517814..ff0c080db59b 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -45,7 +45,6 @@ #include <linux/nfs4.h> #include <linux/nfs_fs.h> #include <linux/nfs_page.h> -#include <linux/smp_lock.h> #include <linux/namei.h> #include <linux/mount.h> #include <linux/module.h> diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 96c4ebfa46f4..73ea5e8d66ce 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -18,7 +18,6 @@ #include <linux/sunrpc/clnt.h> #include <linux/nfs_fs.h> #include <linux/nfs_page.h> -#include <linux/smp_lock.h> #include <asm/system.h> diff --git a/fs/nfs/write.c b/fs/nfs/write.c index ce728829f79a..0a0a2ff767c3 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -202,8 +202,10 @@ static int nfs_set_page_writeback(struct page *page) struct nfs_server *nfss = NFS_SERVER(inode); if (atomic_long_inc_return(&nfss->writeback) > - NFS_CONGESTION_ON_THRESH) - set_bdi_congested(&nfss->backing_dev_info, WRITE); + NFS_CONGESTION_ON_THRESH) { + set_bdi_congested(&nfss->backing_dev_info, + BLK_RW_ASYNC); + } } return ret; } @@ -215,7 +217,7 @@ static void nfs_end_page_writeback(struct page *page) end_page_writeback(page); if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) - clear_bdi_congested(&nfss->backing_dev_info, WRITE); + clear_bdi_congested(&nfss->backing_dev_info, BLK_RW_ASYNC); } /* diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 1250fb978ac1..6d0847562d87 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -25,7 +25,6 @@ #include <linux/init.h> #include <linux/inet.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/ctype.h> #include <linux/nfs.h> diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index d4c9884cd54b..492c79b7800b 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -18,7 +18,6 @@ #include <linux/unistd.h> #include <linux/slab.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/freezer.h> #include <linux/fs_struct.h> #include <linux/kthread.h> diff --git a/fs/nilfs2/bmap.c b/fs/nilfs2/bmap.c index 36df60b6d8a4..99d58a028b94 100644 --- a/fs/nilfs2/bmap.c +++ b/fs/nilfs2/bmap.c @@ -568,6 +568,7 @@ void nilfs_bmap_abort_update_v(struct nilfs_bmap *bmap, } static struct lock_class_key nilfs_bmap_dat_lock_key; +static struct lock_class_key nilfs_bmap_mdt_lock_key; /** * nilfs_bmap_read - read a bmap from an inode @@ -603,7 +604,11 @@ int nilfs_bmap_read(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode) bmap->b_ptr_type = NILFS_BMAP_PTR_VS; bmap->b_last_allocated_key = 0; bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; + lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); break; + case NILFS_IFILE_INO: + lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); + /* Fall through */ default: bmap->b_ptr_type = NILFS_BMAP_PTR_VM; bmap->b_last_allocated_key = 0; diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c index 7d49813f66d6..aec942cf79e3 100644 --- a/fs/nilfs2/cpfile.c +++ b/fs/nilfs2/cpfile.c @@ -307,7 +307,7 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile, ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, 0, &cp_bh); if (ret < 0) { if (ret != -ENOENT) - goto out_header; + break; /* skip hole */ ret = 0; continue; @@ -340,7 +340,7 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile, continue; printk(KERN_ERR "%s: cannot delete block\n", __func__); - goto out_header; + break; } } @@ -358,7 +358,6 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile, kunmap_atomic(kaddr, KM_USER0); } - out_header: brelse(header_bh); out_sem: diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c index 0b2710e2d565..8927ca27e6f7 100644 --- a/fs/nilfs2/dat.c +++ b/fs/nilfs2/dat.c @@ -134,15 +134,6 @@ void nilfs_dat_commit_start(struct inode *dat, struct nilfs_palloc_req *req, entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr, req->pr_entry_bh, kaddr); entry->de_start = cpu_to_le64(nilfs_mdt_cno(dat)); - if (entry->de_blocknr != cpu_to_le64(0) || - entry->de_end != cpu_to_le64(NILFS_CNO_MAX)) { - printk(KERN_CRIT - "%s: vbn = %llu, start = %llu, end = %llu, pbn = %llu\n", - __func__, (unsigned long long)req->pr_entry_nr, - (unsigned long long)le64_to_cpu(entry->de_start), - (unsigned long long)le64_to_cpu(entry->de_end), - (unsigned long long)le64_to_cpu(entry->de_blocknr)); - } entry->de_blocknr = cpu_to_le64(blocknr); kunmap_atomic(kaddr, KM_USER0); diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index 54100acc1102..1a4fa04cf071 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -43,7 +43,6 @@ */ #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include "nilfs.h" #include "page.h" diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index aa977549919e..8b5e4778cf28 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1829,26 +1829,13 @@ static int nilfs_segctor_write(struct nilfs_sc_info *sci, err = nilfs_segbuf_write(segbuf, &wi); res = nilfs_segbuf_wait(segbuf, &wi); - err = unlikely(err) ? : res; - if (unlikely(err)) + err = err ? : res; + if (err) return err; } return 0; } -static int nilfs_page_has_uncleared_buffer(struct page *page) -{ - struct buffer_head *head, *bh; - - head = bh = page_buffers(page); - do { - if (buffer_dirty(bh) && !list_empty(&bh->b_assoc_buffers)) - return 1; - bh = bh->b_this_page; - } while (bh != head); - return 0; -} - static void __nilfs_end_page_io(struct page *page, int err) { if (!err) { @@ -1872,12 +1859,11 @@ static void nilfs_end_page_io(struct page *page, int err) if (!page) return; - if (buffer_nilfs_node(page_buffers(page)) && - nilfs_page_has_uncleared_buffer(page)) - /* For b-tree node pages, this function may be called twice - or more because they might be split in a segment. - This check assures that cleanup has been done for all - buffers in a split btnode page. */ + if (buffer_nilfs_node(page_buffers(page)) && !PageWriteback(page)) + /* + * For b-tree node pages, this function may be called twice + * or more because they might be split in a segment. + */ return; __nilfs_end_page_io(page, err); @@ -1940,7 +1926,7 @@ static void nilfs_segctor_abort_write(struct nilfs_sc_info *sci, } if (bh->b_page != fs_page) { nilfs_end_page_io(fs_page, err); - if (unlikely(fs_page == failed_page)) + if (fs_page && fs_page == failed_page) goto done; fs_page = bh->b_page; } diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 9fcd36dcc9a0..467b413bec21 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -7,7 +7,6 @@ #include <linux/fs.h> #include <linux/mount.h> -#include <linux/smp_lock.h> #define MLOG_MASK_PREFIX ML_INODE #include <cluster/masklog.h> diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 1a9c7878f864..ea4e6cb29e13 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -436,7 +436,7 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno, rcu_assign_pointer(ptbl->part[partno], p); /* suppress uevent if the disk supresses it */ - if (!dev_get_uevent_suppress(pdev)) + if (!dev_get_uevent_suppress(ddev)) kobject_uevent(&pdev->kobj, KOBJ_ADD); return p; diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 607c579e5eca..70f36c043d62 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2042,8 +2042,8 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id, * changes */ invalidate_bdev(sb->s_bdev); } - mutex_lock(&inode->i_mutex); mutex_lock(&dqopt->dqonoff_mutex); + mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA); if (sb_has_quota_loaded(sb, type)) { error = -EBUSY; goto out_lock; @@ -2094,7 +2094,6 @@ out_file_init: dqopt->files[type] = NULL; iput(inode); out_lock: - mutex_unlock(&dqopt->dqonoff_mutex); if (oldflags != -1) { down_write(&dqopt->dqptr_sem); /* Set the flags back (in the case of accidental quotaon() @@ -2104,6 +2103,7 @@ out_lock: up_write(&dqopt->dqptr_sem); } mutex_unlock(&inode->i_mutex); + mutex_unlock(&dqopt->dqonoff_mutex); out_fmt: put_quota_format(fmt); diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 77f5bb746bf0..90622200b39c 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -997,7 +997,7 @@ static int reiserfs_async_progress_wait(struct super_block *s) DEFINE_WAIT(wait); struct reiserfs_journal *j = SB_JOURNAL(s); if (atomic_read(&j->j_async_throttle)) - congestion_wait(WRITE, HZ / 10); + congestion_wait(BLK_RW_ASYNC, HZ / 10); return 0; } diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index d3aeb061612b..7adea74d6a8a 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -24,7 +24,6 @@ #include <linux/exportfs.h> #include <linux/quotaops.h> #include <linux/vfs.h> -#include <linux/mnt_namespace.h> #include <linux/mount.h> #include <linux/namei.h> #include <linux/crc32.h> diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index f3d47d856848..6925b835a43b 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -46,7 +46,6 @@ #include <linux/reiserfs_acl.h> #include <asm/uaccess.h> #include <net/checksum.h> -#include <linux/smp_lock.h> #include <linux/stat.h> #include <linux/quotaops.h> diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c index 3b52770f46ff..cb5fc57e370b 100644 --- a/fs/squashfs/super.c +++ b/fs/squashfs/super.c @@ -30,6 +30,7 @@ #include <linux/fs.h> #include <linux/vfs.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/pagemap.h> #include <linux/init.h> diff --git a/fs/sync.c b/fs/sync.c index dd200025af85..3422ba61d86d 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -112,8 +112,13 @@ restart: mutex_unlock(&mutex); } +/* + * sync everything. Start out by waking pdflush, because that writes back + * all queues in parallel. + */ SYSCALL_DEFINE0(sync) { + wakeup_pdflush(0); sync_filesystems(0); sync_filesystems(1); if (unlikely(laptop_mode)) diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c index 9345806c8853..2524714bece1 100644 --- a/fs/sysfs/bin.c +++ b/fs/sysfs/bin.c @@ -171,6 +171,7 @@ static ssize_t write(struct file *file, const char __user *userbuf, if (count > 0) *off = offs + count; + kfree(temp); return count; } diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index d88d0fac9fa5..14f2d71ea3ce 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -939,8 +939,10 @@ again: /* Remove from old parent's list and insert into new parent's list. */ sysfs_unlink_sibling(sd); sysfs_get(new_parent_sd); + drop_nlink(old_parent->d_inode); sysfs_put(sd->s_parent); sd->s_parent = new_parent_sd; + inc_nlink(new_parent->d_inode); sysfs_link_sibling(sd); out_unlock: diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c index bc5857199ec2..762a7d6cec73 100644 --- a/fs/ubifs/io.c +++ b/fs/ubifs/io.c @@ -297,6 +297,7 @@ static enum hrtimer_restart wbuf_timer_callback_nolock(struct hrtimer *timer) { struct ubifs_wbuf *wbuf = container_of(timer, struct ubifs_wbuf, timer); + dbg_io("jhead %d", wbuf->jhead); wbuf->need_sync = 1; wbuf->c->need_wbuf_sync = 1; ubifs_wake_up_bgt(wbuf->c); @@ -311,8 +312,12 @@ static void new_wbuf_timer_nolock(struct ubifs_wbuf *wbuf) { ubifs_assert(!hrtimer_active(&wbuf->timer)); - if (!ktime_to_ns(wbuf->softlimit)) + if (wbuf->no_timer) return; + dbg_io("set timer for jhead %d, %llu-%llu millisecs", wbuf->jhead, + div_u64(ktime_to_ns(wbuf->softlimit), USEC_PER_SEC), + div_u64(ktime_to_ns(wbuf->softlimit) + wbuf->delta, + USEC_PER_SEC)); hrtimer_start_range_ns(&wbuf->timer, wbuf->softlimit, wbuf->delta, HRTIMER_MODE_REL); } @@ -323,11 +328,8 @@ static void new_wbuf_timer_nolock(struct ubifs_wbuf *wbuf) */ static void cancel_wbuf_timer_nolock(struct ubifs_wbuf *wbuf) { - /* - * If the syncer is waiting for the lock (from the background thread's - * context) and another task is changing write-buffer then the syncing - * should be canceled. - */ + if (wbuf->no_timer) + return; wbuf->need_sync = 0; hrtimer_cancel(&wbuf->timer); } @@ -349,8 +351,8 @@ int ubifs_wbuf_sync_nolock(struct ubifs_wbuf *wbuf) /* Write-buffer is empty or not seeked */ return 0; - dbg_io("LEB %d:%d, %d bytes", - wbuf->lnum, wbuf->offs, wbuf->used); + dbg_io("LEB %d:%d, %d bytes, jhead %d", + wbuf->lnum, wbuf->offs, wbuf->used, wbuf->jhead); ubifs_assert(!(c->vfs_sb->s_flags & MS_RDONLY)); ubifs_assert(!(wbuf->avail & 7)); ubifs_assert(wbuf->offs + c->min_io_size <= c->leb_size); @@ -390,7 +392,7 @@ int ubifs_wbuf_sync_nolock(struct ubifs_wbuf *wbuf) * @offs: logical eraseblock offset to seek to * @dtype: data type * - * This function targets the write buffer to logical eraseblock @lnum:@offs. + * This function targets the write-buffer to logical eraseblock @lnum:@offs. * The write-buffer is synchronized if it is not empty. Returns zero in case of * success and a negative error code in case of failure. */ @@ -399,7 +401,7 @@ int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs, { const struct ubifs_info *c = wbuf->c; - dbg_io("LEB %d:%d", lnum, offs); + dbg_io("LEB %d:%d, jhead %d", lnum, offs, wbuf->jhead); ubifs_assert(lnum >= 0 && lnum < c->leb_cnt); ubifs_assert(offs >= 0 && offs <= c->leb_size); ubifs_assert(offs % c->min_io_size == 0 && !(offs & 7)); @@ -506,9 +508,9 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) struct ubifs_info *c = wbuf->c; int err, written, n, aligned_len = ALIGN(len, 8), offs; - dbg_io("%d bytes (%s) to wbuf at LEB %d:%d", len, - dbg_ntype(((struct ubifs_ch *)buf)->node_type), wbuf->lnum, - wbuf->offs + wbuf->used); + dbg_io("%d bytes (%s) to jhead %d wbuf at LEB %d:%d", len, + dbg_ntype(((struct ubifs_ch *)buf)->node_type), wbuf->jhead, + wbuf->lnum, wbuf->offs + wbuf->used); ubifs_assert(len > 0 && wbuf->lnum >= 0 && wbuf->lnum < c->leb_cnt); ubifs_assert(wbuf->offs >= 0 && wbuf->offs % c->min_io_size == 0); ubifs_assert(!(wbuf->offs & 7) && wbuf->offs <= c->leb_size); @@ -533,8 +535,8 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) memcpy(wbuf->buf + wbuf->used, buf, len); if (aligned_len == wbuf->avail) { - dbg_io("flush wbuf to LEB %d:%d", wbuf->lnum, - wbuf->offs); + dbg_io("flush jhead %d wbuf to LEB %d:%d", + wbuf->jhead, wbuf->lnum, wbuf->offs); err = ubi_leb_write(c->ubi, wbuf->lnum, wbuf->buf, wbuf->offs, c->min_io_size, wbuf->dtype); @@ -562,7 +564,8 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) * minimal I/O unit. We have to fill and flush write-buffer and switch * to the next min. I/O unit. */ - dbg_io("flush wbuf to LEB %d:%d", wbuf->lnum, wbuf->offs); + dbg_io("flush jhead %d wbuf to LEB %d:%d", + wbuf->jhead, wbuf->lnum, wbuf->offs); memcpy(wbuf->buf + wbuf->used, buf, wbuf->avail); err = ubi_leb_write(c->ubi, wbuf->lnum, wbuf->buf, wbuf->offs, c->min_io_size, wbuf->dtype); @@ -695,7 +698,8 @@ int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len, int err, rlen, overlap; struct ubifs_ch *ch = buf; - dbg_io("LEB %d:%d, %s, length %d", lnum, offs, dbg_ntype(type), len); + dbg_io("LEB %d:%d, %s, length %d, jhead %d", lnum, offs, + dbg_ntype(type), len, wbuf->jhead); ubifs_assert(wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0); ubifs_assert(!(offs & 7) && offs < c->leb_size); ubifs_assert(type >= 0 && type < UBIFS_NODE_TYPES_CNT); @@ -819,13 +823,12 @@ out: * @c: UBIFS file-system description object * @wbuf: write-buffer to initialize * - * This function initializes write buffer. Returns zero in case of success + * This function initializes write-buffer. Returns zero in case of success * %-ENOMEM in case of failure. */ int ubifs_wbuf_init(struct ubifs_info *c, struct ubifs_wbuf *wbuf) { size_t size; - ktime_t hardlimit; wbuf->buf = kmalloc(c->min_io_size, GFP_KERNEL); if (!wbuf->buf) @@ -851,22 +854,16 @@ int ubifs_wbuf_init(struct ubifs_info *c, struct ubifs_wbuf *wbuf) hrtimer_init(&wbuf->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); wbuf->timer.function = wbuf_timer_callback_nolock; - /* - * Make write-buffer soft limit to be 20% of the hard limit. The - * write-buffer timer is allowed to expire any time between the soft - * and hard limits. - */ - hardlimit = ktime_set(DEFAULT_WBUF_TIMEOUT_SECS, 0); - wbuf->delta = (DEFAULT_WBUF_TIMEOUT_SECS * NSEC_PER_SEC) * 2 / 10; - wbuf->softlimit = ktime_sub_ns(hardlimit, wbuf->delta); - hrtimer_set_expires_range_ns(&wbuf->timer, wbuf->softlimit, - wbuf->delta); + wbuf->softlimit = ktime_set(WBUF_TIMEOUT_SOFTLIMIT, 0); + wbuf->delta = WBUF_TIMEOUT_HARDLIMIT - WBUF_TIMEOUT_SOFTLIMIT; + wbuf->delta *= 1000000000ULL; + ubifs_assert(wbuf->delta <= ULONG_MAX); return 0; } /** * ubifs_wbuf_add_ino_nolock - add an inode number into the wbuf inode array. - * @wbuf: the write-buffer whereto add + * @wbuf: the write-buffer where to add * @inum: the inode number * * This function adds an inode number to the inode array of the write-buffer. diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c index 6db7a6be6c97..8aacd64957a2 100644 --- a/fs/ubifs/ioctl.c +++ b/fs/ubifs/ioctl.c @@ -25,7 +25,6 @@ /* This file implements EXT2-compatible extended attribute ioctl() calls */ #include <linux/compat.h> -#include <linux/smp_lock.h> #include <linux/mount.h> #include "ubifs.h" diff --git a/fs/ubifs/recovery.c b/fs/ubifs/recovery.c index 805605250f12..e5f6cf8a1155 100644 --- a/fs/ubifs/recovery.c +++ b/fs/ubifs/recovery.c @@ -53,6 +53,25 @@ static int is_empty(void *buf, int len) } /** + * first_non_ff - find offset of the first non-0xff byte. + * @buf: buffer to search in + * @len: length of buffer + * + * This function returns offset of the first non-0xff byte in @buf or %-1 if + * the buffer contains only 0xff bytes. + */ +static int first_non_ff(void *buf, int len) +{ + uint8_t *p = buf; + int i; + + for (i = 0; i < len; i++) + if (*p++ != 0xff) + return i; + return -1; +} + +/** * get_master_node - get the last valid master node allowing for corruption. * @c: UBIFS file-system description object * @lnum: LEB number @@ -357,11 +376,7 @@ static int is_last_write(const struct ubifs_info *c, void *buf, int offs) empty_offs = ALIGN(offs + 1, c->min_io_size); check_len = c->leb_size - empty_offs; p = buf + empty_offs - offs; - - for (; check_len > 0; check_len--) - if (*p++ != 0xff) - return 0; - return 1; + return is_empty(p, check_len); } /** @@ -543,8 +558,8 @@ static int drop_incomplete_group(struct ubifs_scan_leb *sleb, int *offs) * * This function does a scan of a LEB, but caters for errors that might have * been caused by the unclean unmount from which we are attempting to recover. - * - * This function returns %0 on success and a negative error code on failure. + * Returns %0 in case of success, %-EUCLEAN if an unrecoverable corruption is + * found, and a negative error code in case of failure. */ struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf, int grouped) @@ -643,7 +658,8 @@ struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum, goto corrupted; default: dbg_err("unknown"); - goto corrupted; + err = -EINVAL; + goto error; } } @@ -652,8 +668,13 @@ struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum, clean_buf(c, &buf, lnum, &offs, &len); need_clean = 1; } else { - ubifs_err("corrupt empty space at LEB %d:%d", - lnum, offs); + int corruption = first_non_ff(buf, len); + + ubifs_err("corrupt empty space LEB %d:%d, corruption " + "starts at %d", lnum, offs, corruption); + /* Make sure we dump interesting non-0xFF data */ + offs = corruption; + buf += corruption; goto corrupted; } } @@ -813,7 +834,7 @@ struct ubifs_scan_leb *ubifs_recover_log_leb(struct ubifs_info *c, int lnum, static int recover_head(const struct ubifs_info *c, int lnum, int offs, void *sbuf) { - int len, err, need_clean = 0; + int len, err; if (c->min_io_size > 1) len = c->min_io_size; @@ -827,19 +848,7 @@ static int recover_head(const struct ubifs_info *c, int lnum, int offs, /* Read at the head location and check it is empty flash */ err = ubi_read(c->ubi, lnum, sbuf, offs, len); - if (err) - need_clean = 1; - else { - uint8_t *p = sbuf; - - while (len--) - if (*p++ != 0xff) { - need_clean = 1; - break; - } - } - - if (need_clean) { + if (err || !is_empty(sbuf, len)) { dbg_rcvry("cleaning head at %d:%d", lnum, offs); if (offs == 0) return ubifs_leb_unmap(c, lnum); diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c index 11cc80125a49..2970500f32df 100644 --- a/fs/ubifs/replay.c +++ b/fs/ubifs/replay.c @@ -837,9 +837,10 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf) dbg_mnt("replay log LEB %d:%d", lnum, offs); sleb = ubifs_scan(c, lnum, offs, sbuf); - if (IS_ERR(sleb)) { - if (c->need_recovery) - sleb = ubifs_recover_log_leb(c, lnum, offs, sbuf); + if (IS_ERR(sleb) ) { + if (PTR_ERR(sleb) != -EUCLEAN || !c->need_recovery) + return PTR_ERR(sleb); + sleb = ubifs_recover_log_leb(c, lnum, offs, sbuf); if (IS_ERR(sleb)) return PTR_ERR(sleb); } @@ -957,7 +958,7 @@ out: return err; out_dump: - ubifs_err("log error detected while replying the log at LEB %d:%d", + ubifs_err("log error detected while replaying the log at LEB %d:%d", lnum, offs + snod->offs); dbg_dump_node(c, snod->node); ubifs_scan_destroy(sleb); diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c index 0ed82479b44b..892ebfee4fe5 100644 --- a/fs/ubifs/scan.c +++ b/fs/ubifs/scan.c @@ -238,12 +238,12 @@ void ubifs_scanned_corruption(const struct ubifs_info *c, int lnum, int offs, { int len; - ubifs_err("corrupted data at LEB %d:%d", lnum, offs); + ubifs_err("corruption at LEB %d:%d", lnum, offs); if (dbg_failure_mode) return; len = c->leb_size - offs; - if (len > 4096) - len = 4096; + if (len > 8192) + len = 8192; dbg_err("first %d bytes from LEB %d:%d", len, lnum, offs); print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 4, buf, len, 1); } @@ -256,7 +256,9 @@ void ubifs_scanned_corruption(const struct ubifs_info *c, int lnum, int offs, * @sbuf: scan buffer (must be c->leb_size) * * This function scans LEB number @lnum and returns complete information about - * its contents. Returns an error code in case of failure. + * its contents. Returns the scaned information in case of success and, + * %-EUCLEAN if the LEB neads recovery, and other negative error codes in case + * of failure. */ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum, int offs, void *sbuf) @@ -279,7 +281,6 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum, cond_resched(); ret = ubifs_scan_a_node(c, buf, len, lnum, offs, 0); - if (ret > 0) { /* Padding bytes or a valid padding node */ offs += ret; @@ -304,7 +305,8 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum, goto corrupted; default: dbg_err("unknown"); - goto corrupted; + err = -EINVAL; + goto error; } err = ubifs_add_snod(c, sleb, buf, offs); @@ -317,8 +319,10 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum, len -= node_len; } - if (offs % c->min_io_size) - goto corrupted; + if (offs % c->min_io_size) { + ubifs_err("empty space starts at non-aligned offset %d", offs); + goto corrupted;; + } ubifs_end_scan(c, sleb, lnum, offs); diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 79fad43f3c57..26d2e0d80465 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -797,7 +797,7 @@ static int alloc_wbufs(struct ubifs_info *c) * does not need to be synchronized by timer. */ c->jheads[GCHD].wbuf.dtype = UBI_LONGTERM; - c->jheads[GCHD].wbuf.softlimit = ktime_set(0, 0); + c->jheads[GCHD].wbuf.no_timer = 1; return 0; } @@ -986,7 +986,7 @@ static int ubifs_parse_options(struct ubifs_info *c, char *options, switch (token) { /* * %Opt_fast_unmount and %Opt_norm_unmount options are ignored. - * We accepte them in order to be backware-compatible. But this + * We accept them in order to be backward-compatible. But this * should be removed at some point. */ case Opt_fast_unmount: @@ -1287,6 +1287,9 @@ static int mount_ubifs(struct ubifs_info *c) if (err) goto out_journal; + /* Calculate 'min_idx_lebs' after journal replay */ + c->min_idx_lebs = ubifs_calc_min_idx_lebs(c); + err = ubifs_mount_orphans(c, c->need_recovery, mounted_read_only); if (err) goto out_orphans; @@ -1754,10 +1757,8 @@ static void ubifs_put_super(struct super_block *sb) /* Synchronize write-buffers */ if (c->jheads) - for (i = 0; i < c->jhead_cnt; i++) { + for (i = 0; i < c->jhead_cnt; i++) ubifs_wbuf_sync(&c->jheads[i].wbuf); - hrtimer_cancel(&c->jheads[i].wbuf.timer); - } /* * On fatal errors c->ro_media is set to 1, in which case we do @@ -1975,7 +1976,8 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent) err = bdi_init(&c->bdi); if (err) goto out_close; - err = bdi_register(&c->bdi, NULL, "ubifs"); + err = bdi_register(&c->bdi, NULL, "ubifs_%d_%d", + c->vi.ubi_num, c->vi.vol_id); if (err) goto out_bdi; diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 1bf01d820066..a29349094422 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -95,8 +95,9 @@ */ #define BGT_NAME_PATTERN "ubifs_bgt%d_%d" -/* Default write-buffer synchronization timeout in seconds */ -#define DEFAULT_WBUF_TIMEOUT_SECS 5 +/* Write-buffer synchronization timeout interval in seconds */ +#define WBUF_TIMEOUT_SOFTLIMIT 3 +#define WBUF_TIMEOUT_HARDLIMIT 5 /* Maximum possible inode number (only 32-bit inodes are supported now) */ #define MAX_INUM 0xFFFFFFFF @@ -654,7 +655,8 @@ typedef int (*ubifs_lpt_scan_callback)(struct ubifs_info *c, * @delta: hard and soft timeouts delta (the timer expire inteval is @softlimit * and @softlimit + @delta) * @timer: write-buffer timer - * @need_sync: it is set if its timer expired and needs sync + * @no_timer: non-zero if this write-buffer does not have a timer + * @need_sync: non-zero if the timer expired and the wbuf needs sync'ing * @next_ino: points to the next position of the following inode number * @inodes: stores the inode numbers of the nodes which are in wbuf * @@ -683,7 +685,8 @@ struct ubifs_wbuf { ktime_t softlimit; unsigned long long delta; struct hrtimer timer; - int need_sync; + unsigned int no_timer:1; + unsigned int need_sync:1; int next_ino; ino_t *inodes; }; diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c index 1cd3b55ee3d2..2d3f90afe5f1 100644 --- a/fs/xfs/linux-2.6/kmem.c +++ b/fs/xfs/linux-2.6/kmem.c @@ -53,7 +53,7 @@ kmem_alloc(size_t size, unsigned int __nocast flags) printk(KERN_ERR "XFS: possible memory allocation " "deadlock in %s (mode:0x%x)\n", __func__, lflags); - congestion_wait(WRITE, HZ/50); + congestion_wait(BLK_RW_ASYNC, HZ/50); } while (1); } @@ -130,7 +130,7 @@ kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags) printk(KERN_ERR "XFS: possible memory allocation " "deadlock in %s (mode:0x%x)\n", __func__, lflags); - congestion_wait(WRITE, HZ/50); + congestion_wait(BLK_RW_ASYNC, HZ/50); } while (1); } diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 1418b916fc27..0c93c7ef3d18 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -412,7 +412,7 @@ _xfs_buf_lookup_pages( XFS_STATS_INC(xb_page_retries); xfsbufd_wakeup(0, gfp_mask); - congestion_wait(WRITE, HZ/50); + congestion_wait(BLK_RW_ASYNC, HZ/50); goto retry; } diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index f4e255441574..0542fd507649 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -41,7 +41,6 @@ #include "xfs_ioctl.h" #include <linux/dcache.h> -#include <linux/smp_lock.h> static struct vm_operations_struct xfs_file_vm_ops; |