From: Vasily Averin <vvs@sw.ru>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, Jan Blunck <jblunck@suse.de>,
Alexander Viro <viro@zeniv.linux.org.uk>
Cc: devel@openvz.org
Subject: [PATCH 2.6.19-rc3] VFS: extra check inside dentry_unhash()
Date: Wed, 01 Nov 2006 13:37:33 +0300 [thread overview]
Message-ID: <454878ED.1080405@sw.ru> (raw)
From: Vasily Averin <vvs@sw.ru>
d_count check after dget() is always true
Signed-off-by: Vasily Averin <vvs@sw.ru>
--- linux-2.6.19-rc3-mm1/fs/namei.c.duhsh 2006-10-30 14:20:19.000000000 +0300
+++ linux-2.6.19-rc3-mm1/fs/namei.c 2006-11-01 13:17:17.000000000 +0300
@@ -1993,8 +1993,7 @@ asmlinkage long sys_mkdir(const char __u
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)
reply other threads:[~2006-11-01 10:37 UTC|newest]
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