[PATCH] VFS: extra check inside dentry_unhash()

d_count check after dget() is always true.

Signed-off-by:	Vasily Averin <vvs@sw.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/namei.c b/fs/namei.c
index 61f99c1..db1bca2 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1998,8 +1998,7 @@ asmlinkage long sys_mkdir(const char __user *pathname, int mode)
 void dentry_unhash(struct dentry *dentry)
 {
        dget(dentry);
-       if (atomic_read(&dentry->d_count))
-               shrink_dcache_parent(dentry);
+       shrink_dcache_parent(dentry);
        spin_lock(&dcache_lock);
        spin_lock(&dentry->d_lock);
        if (atomic_read(&dentry->d_count) == 2)