diff options
Diffstat (limited to 'fs/hfsplus/hfsplus_fs.h')
| -rw-r--r-- | fs/hfsplus/hfsplus_fs.h | 92 |
1 files changed, 70 insertions, 22 deletions
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index 4e75ac646fea..ede79317cfb8 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -10,6 +10,12 @@ #ifndef _LINUX_HFSPLUS_FS_H #define _LINUX_HFSPLUS_FS_H +#ifdef pr_fmt +#undef pr_fmt +#endif + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/fs.h> #include <linux/mutex.h> #include <linux/buffer_head.h> @@ -23,6 +29,7 @@ #define DBG_SUPER 0x00000010 #define DBG_EXTENT 0x00000020 #define DBG_BITMAP 0x00000040 +#define DBG_ATTR_MOD 0x00000080 #if 0 #define DBG_MASK (DBG_EXTENT|DBG_INODE|DBG_BNODE_MOD) @@ -31,9 +38,17 @@ #endif #define DBG_MASK (0) -#define dprint(flg, fmt, args...) \ - if (flg & DBG_MASK) \ - printk(fmt , ## args) +#define hfs_dbg(flg, fmt, ...) \ +do { \ + if (DBG_##flg & DBG_MASK) \ + printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \ +} while (0) + +#define hfs_dbg_cont(flg, fmt, ...) \ +do { \ + if (DBG_##flg & DBG_MASK) \ + pr_cont(fmt, ##__VA_ARGS__); \ +} while (0) /* Runtime config options */ #define HFSPLUS_DEF_CR_TYPE 0x3F3F3F3F /* '????' */ @@ -46,6 +61,13 @@ typedef int (*btree_keycmp)(const hfsplus_btree_key *, #define NODE_HASH_SIZE 256 +/* B-tree mutex nested subclasses */ +enum hfsplus_btree_mutex_classes { + CATALOG_BTREE_MUTEX, + EXTENTS_BTREE_MUTEX, + ATTR_BTREE_MUTEX, +}; + /* An HFS+ BTree held in memory */ struct hfs_btree { struct super_block *sb; @@ -149,12 +171,15 @@ struct hfsplus_sb_info { u32 type; umode_t umask; - uid_t uid; - gid_t gid; + kuid_t uid; + kgid_t gid; int part, session; - unsigned long flags; + + int work_queued; /* non-zero delayed work is queued */ + struct delayed_work sync_work; /* FS sync delayed work */ + spinlock_t work_lock; /* protects sync_work and work_queued */ }; #define HFSPLUS_SB_WRITEBACKUP 0 @@ -220,6 +245,7 @@ struct hfsplus_inode_info { #define HFSPLUS_I_CAT_DIRTY 1 /* has changes in the catalog tree */ #define HFSPLUS_I_EXT_DIRTY 2 /* has changes in the extent tree */ #define HFSPLUS_I_ALLOC_DIRTY 3 /* has changes in the allocation file */ +#define HFSPLUS_I_ATTR_DIRTY 4 /* has changes in the attributes tree */ #define HFSPLUS_IS_RSRC(inode) \ test_bit(HFSPLUS_I_RSRC, &HFSPLUS_I(inode)->flags) @@ -299,7 +325,7 @@ static inline unsigned short hfsplus_min_io_size(struct super_block *sb) #define hfs_brec_remove hfsplus_brec_remove #define hfs_find_init hfsplus_find_init #define hfs_find_exit hfsplus_find_exit -#define __hfs_brec_find __hplusfs_brec_find +#define __hfs_brec_find __hfsplus_brec_find #define hfs_brec_find hfsplus_brec_find #define hfs_brec_read hfsplus_brec_read #define hfs_brec_goto hfsplus_brec_goto @@ -321,10 +347,33 @@ static inline unsigned short hfsplus_min_io_size(struct super_block *sb) */ #define HFSPLUS_IOC_BLESS _IO('h', 0x80) +typedef int (*search_strategy_t)(struct hfs_bnode *, + struct hfs_find_data *, + int *, int *, int *); + /* * Functions in any *.c used in other files */ +/* attributes.c */ +int hfsplus_create_attr_tree_cache(void); +void hfsplus_destroy_attr_tree_cache(void); +hfsplus_attr_entry *hfsplus_alloc_attr_entry(void); +void hfsplus_destroy_attr_entry(hfsplus_attr_entry *entry_p); +int hfsplus_attr_bin_cmp_key(const hfsplus_btree_key *, + const hfsplus_btree_key *); +int hfsplus_attr_build_key(struct super_block *, hfsplus_btree_key *, + u32, const char *); +void hfsplus_attr_build_key_uni(hfsplus_btree_key *key, + u32 cnid, + struct hfsplus_attr_unistr *name); +int hfsplus_find_attr(struct super_block *, u32, + const char *, struct hfs_find_data *); +int hfsplus_attr_exists(struct inode *inode, const char *name); +int hfsplus_create_attr(struct inode *, const char *, const void *, size_t); +int hfsplus_delete_attr(struct inode *, const char *); +int hfsplus_delete_all_attrs(struct inode *dir, u32 cnid); + /* bitmap.c */ int hfsplus_block_allocate(struct super_block *, u32, u32, u32 *); int hfsplus_block_free(struct super_block *, u32, u32); @@ -332,7 +381,7 @@ int hfsplus_block_free(struct super_block *, u32, u32); /* btree.c */ struct hfs_btree *hfs_btree_open(struct super_block *, u32); void hfs_btree_close(struct hfs_btree *); -void hfs_btree_write(struct hfs_btree *); +int hfs_btree_write(struct hfs_btree *); struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *); void hfs_bmap_free(struct hfs_bnode *); @@ -366,8 +415,15 @@ int hfs_brec_remove(struct hfs_find_data *); /* bfind.c */ int hfs_find_init(struct hfs_btree *, struct hfs_find_data *); void hfs_find_exit(struct hfs_find_data *); -int __hfs_brec_find(struct hfs_bnode *, struct hfs_find_data *); -int hfs_brec_find(struct hfs_find_data *); +int hfs_find_1st_rec_by_cnid(struct hfs_bnode *, + struct hfs_find_data *, + int *, int *, int *); +int hfs_find_rec_by_key(struct hfs_bnode *, + struct hfs_find_data *, + int *, int *, int *); +int __hfs_brec_find(struct hfs_bnode *, struct hfs_find_data *, + search_strategy_t); +int hfs_brec_find(struct hfs_find_data *, search_strategy_t); int hfs_brec_read(struct hfs_find_data *, void *, int); int hfs_brec_goto(struct hfs_find_data *, int); @@ -414,11 +470,6 @@ int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end, /* ioctl.c */ long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); -int hfsplus_setxattr(struct dentry *dentry, const char *name, - const void *value, size_t size, int flags); -ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name, - void *value, size_t size); -ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size); /* options.c */ int hfsplus_parse_options(char *, struct hfsplus_sb_info *); @@ -428,7 +479,7 @@ int hfsplus_show_options(struct seq_file *, struct dentry *); /* super.c */ struct inode *hfsplus_iget(struct super_block *, unsigned long); -int hfsplus_sync_fs(struct super_block *sb, int wait); +void hfsplus_mark_mdb_dirty(struct super_block *sb); /* tables.c */ extern u16 hfsplus_case_fold_table[]; @@ -443,12 +494,9 @@ int hfsplus_strcmp(const struct hfsplus_unistr *, int hfsplus_uni2asc(struct super_block *, const struct hfsplus_unistr *, char *, int *); int hfsplus_asc2uni(struct super_block *, - struct hfsplus_unistr *, const char *, int); -int hfsplus_hash_dentry(const struct dentry *dentry, - const struct inode *inode, struct qstr *str); -int hfsplus_compare_dentry(const struct dentry *parent, - const struct inode *pinode, - const struct dentry *dentry, const struct inode *inode, + struct hfsplus_unistr *, int, const char *, int); +int hfsplus_hash_dentry(const struct dentry *dentry, struct qstr *str); +int hfsplus_compare_dentry(const struct dentry *parent, const struct dentry *dentry, unsigned int len, const char *str, const struct qstr *name); /* wrapper.c */ |