From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sat, 28 Apr 2012 21:55:17 +0000 (-0700)
Subject: VFS: make vfs_fstat() use f[get|put]_light()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e994defb7b6813ba6fa7a2a36e86d2455ad1dc35;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

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>
---

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;
 }