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autofs: use IS_ROOT to replace root dentry checks

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Use the helper macro !IS_ROOT to replace parent != dentry->d_parent.  Just
clean up.

Signed-off-by: Rui Xiang <rui.xiang@huawei.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rui Xiang 2014-01-23 15:55:00 -08:00 committed by Linus Torvalds
parent da29b75439
commit c24930a9bb
1 changed files with 3 additions and 3 deletions
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6
fs/autofs4/root.c
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@ -558,7 +558,7 @@ static int autofs4_dir_symlink(struct inode *dir,
dget(dentry);
atomic_inc(&ino->count);
p_ino = autofs4_dentry_ino(dentry->d_parent);
if (p_ino && dentry->d_parent != dentry)
if (p_ino && !IS_ROOT(dentry))
atomic_inc(&p_ino->count);
dir->i_mtime = CURRENT_TIME;
@ -593,7 +593,7 @@ static int autofs4_dir_unlink(struct inode *dir, struct dentry *dentry)
if (atomic_dec_and_test(&ino->count)) {
p_ino = autofs4_dentry_ino(dentry->d_parent);
if (p_ino && dentry->d_parent != dentry)
if (p_ino && !IS_ROOT(dentry))
atomic_dec(&p_ino->count);
}
dput(ino->dentry);
@ -732,7 +732,7 @@ static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, umode_t m
dget(dentry);
atomic_inc(&ino->count);
p_ino = autofs4_dentry_ino(dentry->d_parent);
if (p_ino && dentry->d_parent != dentry)
if (p_ino && !IS_ROOT(dentry))
atomic_inc(&p_ino->count);
inc_nlink(dir);
dir->i_mtime = CURRENT_TIME;