[PATCH v5.4-v4.19 2/6] fs: move vfs_fstatat out of line

[Miao Wang via B4 Relay <devnull+shankerwangmiao.gmail.com@kernel.org>]

From: Christoph Hellwig <hch@lst.de>

commit 09f1bde upstream.

This allows to keep vfs_statx static in fs/stat.c to prepare for the following
changes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Cc: <stable@vger.kernel.org> # 4.19.x-5.4.x
Signed-off-by: Miao Wang <shankerwangmiao@gmail.com>
Tested-by: Xi Ruoyao <xry111@xry111.site>
---
 fs/stat.c          |  9 +++++++--
 include/linux/fs.h | 10 +++-------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/fs/stat.c b/fs/stat.c
index 268c9eb89656..b09a0e2a6681 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -165,7 +165,7 @@ EXPORT_SYMBOL(vfs_statx_fd);
  *
  * 0 will be returned on success, and a -ve error code if unsuccessful.
  */
-int vfs_statx(int dfd, const char __user *filename, int flags,
+static int vfs_statx(int dfd, const char __user *filename, int flags,
 	      struct kstat *stat, u32 request_mask)
 {
 	struct path path;
@@ -197,8 +197,13 @@ int vfs_statx(int dfd, const char __user *filename, int flags,
 out:
 	return error;
 }
-EXPORT_SYMBOL(vfs_statx);
 
+int vfs_fstatat(int dfd, const char __user *filename,
+			      struct kstat *stat, int flags)
+{
+	return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT,
+			 stat, STATX_BASIC_STATS);
+}
 
 #ifdef __ARCH_WANT_OLD_STAT
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2db4e5f7d00b..952f103be4a0 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3259,20 +3259,16 @@ extern const struct inode_operations simple_symlink_inode_operations;
 
 extern int iterate_dir(struct file *, struct dir_context *);
 
-extern int vfs_statx(int, const char __user *, int, struct kstat *, u32);
 extern int vfs_statx_fd(unsigned int, struct kstat *, u32, unsigned int);
 
-static inline int vfs_fstatat(int dfd, const char __user *filename,
-			      struct kstat *stat, int flags)
-{
-	return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT,
-			 stat, STATX_BASIC_STATS);
-}
 static inline int vfs_fstat(int fd, struct kstat *stat)
 {
 	return vfs_statx_fd(fd, stat, STATX_BASIC_STATS, 0);
 }
 
+int vfs_fstatat(int dfd, const char __user *filename, struct kstat *stat,
+		int flags);
+
 static inline int vfs_stat(const char __user *filename, struct kstat *stat)
 {
 	return vfs_fstatat(AT_FDCWD, filename, stat, 0);

-- 
2.43.0