From: Alexander Beregalov <a.beregalov@gmail.com>
To: Jeff Mahoney <jeffm@suse.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
ReiserFS Mailing List <reiserfs-devel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Al Viro <viro@ftp.linux.org.uk>, David <david@unsolicited.net>
Subject: Re: [PATCH] reiserfs: Expand i_mutex to enclose lookup_one_len
Date: Fri, 1 May 2009 20:37:22 +0400 [thread overview]
Message-ID: <a4423d670905010937k395a0a2r2e2b3b68ffe68851@mail.gmail.com> (raw)
In-Reply-To: <49FB1F20.8040400@suse.com>
2009/5/1 Jeff Mahoney <jeffm@suse.com>:
> 2.6.30-rc3 introduced some sanity checks in the VFS code to avoid NFS
> bugs by ensuring that lookup_one_len is always called under i_mutex.
>
> This patch expands the i_mutex locking to enclose lookup_one_len. This was
> always required, but not not enforced in the reiserfs code since it
> does locking around the xattr interactions with the xattr_sem.
>
> This is obvious enough, but it survived an overnight 50 thread ACL test.
>
> Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Tested-by: Alexander Beregalov <a.beregalov@gmail.com>
It works, thanks.
next prev parent reply other threads:[~2009-05-01 16:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-01 16:11 Jeff Mahoney
2009-05-01 16:37 ` Alexander Beregalov [this message]
2009-05-01 19:56 ` Andrew Morton
2009-05-01 20:36 ` Jeff Mahoney
2009-05-03 8:52 ` Al Viro
2009-05-03 9:15 ` Al Viro
2009-05-03 10:06 ` Al Viro
2009-05-04 4:51 ` Jeff Mahoney
2009-05-04 6:13 ` Al Viro
2009-05-04 16:40 ` Jeff Mahoney
2009-05-05 19:29 ` Jeff Mahoney
2009-05-04 5:01 ` Jeff Mahoney
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