From: Miao Xie <miaox@cn.fujitsu.com>
To: Miao Xie <miaoxie1984@gmail.com>,
Chris Mason <chris.mason@oracle.com>,
Tsutomu Itoh <t-itoh@jp.fujitsu.com>,
Linux Btrfs <linux-btrfs@vger.kernel.org>,
Linux FSDevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH 2/4] Btrfs: fix deadlock on sb->s_umount when doing umount
Date: Wed, 09 May 2012 11:24:28 +0800 [thread overview]
Message-ID: <4FA9E36C.3060008@cn.fujitsu.com> (raw)
In-Reply-To: <20120508153326.GI19331@twin.jikos.cz>
On Tue, 8 May 2012 17:33:26 +0200, David Sterba wrote:
> On Tue, May 08, 2012 at 06:38:01PM +0800, Miao Xie wrote:
>> I think this method can not fix the problem safely because if the other
>> background threads(not the cleaner) call shrink_delalloc(), the problem
>> can still occur.
>
> And it does not indeed fix the problem completely, I found xfstests/269
> hung inside cleaner and defrag (mounted with autodefrag).
Did you apply the trylock patchs I sent before?
Thanks
Miao
next prev parent reply other threads:[~2012-05-09 3:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-26 2:58 [PATCH 2/4] Btrfs: fix deadlock on sb->s_umount when doing umount Miao Xie
2012-04-26 11:44 ` David Sterba
2012-04-27 10:55 ` Miao Xie
2012-04-30 16:41 ` David Sterba
2012-05-08 10:38 ` Miao Xie
2012-05-08 15:33 ` David Sterba
2012-05-09 3:24 ` Miao Xie [this message]
2012-05-22 15:05 ` David Sterba
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