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VFS: make vfs_fstat() use f[get|put]_light()

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commit e994defb7b upstream.

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>
[xr: Backported to 3.4: adjust function name]
Signed-off-by: Rui Xiang <rui.xiang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Linus Torvalds
2012-04-28 14:55:17 -07:00
committed by Greg Kroah-Hartman
parent 4652951d12
commit 9b67aeff92
1 changed files with 3 additions and 2 deletions
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5
fs/stat.c
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@ -57,12 +57,13 @@ EXPORT_SYMBOL(vfs_getattr);
int vfs_fstat(unsigned int fd, struct kstat *stat)
{
struct file *f = fget_raw(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;
}