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authorLinus Torvalds <torvalds@linux-foundation.org>2012-04-29 01:55:17 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-04-29 01:55:17 +0400
commite994defb7b6813ba6fa7a2a36e86d2455ad1dc35 (patch)
tree85d218834dcc60b934f8709e2d1f4df46002e2e3
parent3f9f0aa687d45cbc8e7bb3cfd3aab555dcc8872e (diff)
downloadlinux-e994defb7b6813ba6fa7a2a36e86d2455ad1dc35.tar.xz
VFS: make vfs_fstat() use f[get|put]_light()
Use the *_light() versions that properly avoid doing the file user count updates when they are unnecessary. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/stat.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/stat.c b/fs/stat.c
index c733dc5753ae..88b36c770762 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -57,12 +57,13 @@ EXPORT_SYMBOL(vfs_getattr);
int vfs_fstat(unsigned int fd, struct kstat *stat)
{
- struct file *f = fget(fd);
+ int fput_needed;
+ struct file *f = fget_light(fd, &fput_needed);
int error = -EBADF;
if (f) {
error = vfs_getattr(f->f_path.mnt, f->f_path.dentry, stat);
- fput(f);
+ fput_light(f, fput_needed);
}
return error;
}