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[PATCH] avoid one conditional branch in touch_atime()

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I added IS_NOATIME(inode) macro definition in include/linux/fs.h, true if
the inode superblock is marked readonly or noatime.

This new macro is then used in touch_atime() instead of separatly testing
MS_RDONLY and MS_NOATIME

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric Dumazet 2007-02-10 01:44:49 -08:00 • committed by Linus Torvalds
parent 4ba4d4c0c5
commit 37756ced1f
2 changed files with 2 additions and 3 deletions
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4
fs/inode.c
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@ -1160,11 +1160,9 @@ void touch_atime(struct vfsmount *mnt, struct dentry *dentry)
struct inode *inode = dentry->d_inode;
struct timespec now;
if (IS_RDONLY(inode))
return;
if (inode->i_flags & S_NOATIME)
return;
if (inode->i_sb->s_flags & MS_NOATIME)
if (IS_NOATIME(inode))
return;
if ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode))
return;