ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
struct dquot **(*get_dquots)(struct inode *);
#endif
- int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
long (*nr_cached_objects)(struct super_block *,
struct shrink_control *);
long (*free_cached_objects)(struct super_block *,
umode_t mode);
extern struct file *file_open_name(struct filename *, int, umode_t);
extern struct file *filp_open(const char *, int, umode_t);
-extern struct file *file_open_root(struct dentry *, struct vfsmount *,
+extern struct file *file_open_root(const struct path *,
const char *, int, umode_t);
+static inline struct file *file_open_root_mnt(struct vfsmount *mnt,
+ const char *name, int flags, umode_t mode)
+{
+ return file_open_root(&(struct path){.mnt = mnt, .dentry = mnt->mnt_root},
+ name, flags, mode);
+}
extern struct file * dentry_open(const struct path *, int, const struct cred *);
extern struct file * open_with_fake_path(const struct path *, int,
struct inode*, const struct cred *);
struct iov_iter *iter);
/* fs/block_dev.c */
-extern ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to);
-extern ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from);
extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end,
int datasync);
-extern void block_sync_page(struct page *page);
/* fs/splice.c */
extern ssize_t generic_file_splice_read(struct file *, loff_t *,