Commit 0b2c6693 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
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fs: implement vfs_stat and vfs_lstat in terms of vfs_fstatat 



Go through vfs_fstatat instead of duplicating the *stat to statx mapping
three times.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent da9aa5d9

include/linux/fs.h

+7 −9
Original line number Diff line number Diff line
@@ -3165,21 +3165,19 @@ extern int iterate_dir(struct file *, struct dir_context *); 
extern int vfs_statx(int, const char __user *, int, struct kstat *, u32);

int vfs_fstat(int fd, struct kstat *stat);



static inline int vfs_stat(const char __user *filename, struct kstat *stat)

static inline int vfs_fstatat(int dfd, const char __user *filename,

			      struct kstat *stat, int flags)

{

	return vfs_statx(AT_FDCWD, filename, AT_NO_AUTOMOUNT,

	return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT,

			 stat, STATX_BASIC_STATS);

}

static inline int vfs_lstat(const char __user *name, struct kstat *stat)

static inline int vfs_stat(const char __user *filename, struct kstat *stat)

{

	return vfs_statx(AT_FDCWD, name, AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT,

			 stat, STATX_BASIC_STATS);

	return vfs_fstatat(AT_FDCWD, filename, stat, 0);

}

static inline int vfs_fstatat(int dfd, const char __user *filename,

			      struct kstat *stat, int flags)

static inline int vfs_lstat(const char __user *name, struct kstat *stat)

{

	return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT,

			 stat, STATX_BASIC_STATS);

	return vfs_fstatat(AT_FDCWD, name, stat, AT_SYMLINK_NOFOLLOW);

}



extern const char *vfs_get_link(struct dentry *, struct delayed_call *);