diff options
Diffstat (limited to 'fs/libfs.c')
| -rw-r--r-- | fs/libfs.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/fs/libfs.c b/fs/libfs.c index 48826d4da189..a8b62e5d43a9 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -7,6 +7,7 @@ #include <linux/export.h> #include <linux/pagemap.h> #include <linux/slab.h> +#include <linux/cred.h> #include <linux/mount.h> #include <linux/vfs.h> #include <linux/quotaops.h> @@ -16,14 +17,14 @@ #include <linux/writeback.h> #include <linux/buffer_head.h> /* sync_mapping_buffers */ -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include "internal.h" -int simple_getattr(struct vfsmount *mnt, struct dentry *dentry, - struct kstat *stat) +int simple_getattr(const struct path *path, struct kstat *stat, + u32 request_mask, unsigned int query_flags) { - struct inode *inode = d_inode(dentry); + struct inode *inode = d_inode(path->dentry); generic_fillattr(inode, stat); stat->blocks = inode->i_mapping->nrpages << (PAGE_SHIFT - 9); return 0; @@ -245,7 +246,8 @@ struct dentry *mount_pseudo_xattr(struct file_system_type *fs_type, char *name, struct inode *root; struct qstr d_name = QSTR_INIT(name, strlen(name)); - s = sget(fs_type, NULL, set_anon_super, MS_NOUSER, NULL); + s = sget_userns(fs_type, NULL, set_anon_super, MS_KERNMOUNT|MS_NOUSER, + &init_user_ns, NULL); if (IS_ERR(s)) return ERR_CAST(s); @@ -465,6 +467,8 @@ EXPORT_SYMBOL(simple_write_begin); * is not called, so a filesystem that actually does store data in .write_inode * should extend on what's done here with a call to mark_inode_dirty() in the * case that i_size has changed. + * + * Use *ONLY* with simple_readpage() */ int simple_write_end(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, @@ -474,14 +478,14 @@ int simple_write_end(struct file *file, struct address_space *mapping, loff_t last_pos = pos + copied; /* zero the stale part of the page if we did a short copy */ - if (copied < len) { - unsigned from = pos & (PAGE_SIZE - 1); - - zero_user(page, from + copied, len - copied); - } + if (!PageUptodate(page)) { + if (copied < len) { + unsigned from = pos & (PAGE_SIZE - 1); - if (!PageUptodate(page)) + zero_user(page, from + copied, len - copied); + } SetPageUptodate(page); + } /* * No need to use i_size_read() here, the i_size * cannot change under us because we hold the i_mutex. @@ -1129,7 +1133,6 @@ EXPORT_SYMBOL(simple_get_link); const struct inode_operations simple_symlink_inode_operations = { .get_link = simple_get_link, - .readlink = generic_readlink }; EXPORT_SYMBOL(simple_symlink_inode_operations); @@ -1141,10 +1144,10 @@ static struct dentry *empty_dir_lookup(struct inode *dir, struct dentry *dentry, return ERR_PTR(-ENOENT); } -static int empty_dir_getattr(struct vfsmount *mnt, struct dentry *dentry, - struct kstat *stat) +static int empty_dir_getattr(const struct path *path, struct kstat *stat, + u32 request_mask, unsigned int query_flags) { - struct inode *inode = d_inode(dentry); + struct inode *inode = d_inode(path->dentry); generic_fillattr(inode, stat); return 0; } |