From: Sergei Trofimovich <slyich@gmail.com>
To: liubo <liubo2009@cn.fujitsu.com>
Cc: linux-btrfs@vger.kernel.org, Josef Bacik <josef@redhat.com>,
Arne Jansen <sensille@gmx.net>
Subject: Re: [PATCH] Btrfs: fix easily get into ENOSPC in mixed case
Date: Fri, 22 Apr 2011 22:43:57 +0300 [thread overview]
Message-ID: <20110422224357.1ca3ff3d@sf> (raw)
In-Reply-To: <4D9ECAF5.50108@cn.fujitsu.com>
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On Fri, 08 Apr 2011 16:44:37 +0800
liubo <liubo2009@cn.fujitsu.com> wrote:
>
> When a btrfs disk is created by mixed data & metadata option, it will have no
> pure data or pure metadata space info.
>
> In btrfs's for-linus branch, commit 78b1ea13838039cd88afdd62519b40b344d6c920
> (Btrfs: fix OOPS of empty filesystem after balance) initializes space infos at
> the very beginning. The problem is this initialization does not take the mixed
> case into account, which will cause btrfs will easily get into ENOSPC in mixed
> case.
>
> Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
> ---
This morning I've got an ENOSPC OOps on --mixed (properly created this time) FS
and 2.6.39-rc4 kernel. After applying this patch OOps gone away.
Unfortunately, I haven't saved the trace and can't reproduce it yet.
--
Sergei
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next prev parent reply other threads:[~2011-04-22 19:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-02 9:19 2.6.39-rc1: kernel BUG at fs/btrfs/extent-tree.c:5479! Sergei Trofimovich
2011-04-02 9:37 ` liubo
2011-04-02 10:41 ` Sergei Trofimovich
2011-04-02 11:30 ` liubo
2011-04-02 12:55 ` Sergei Trofimovich
2011-04-08 8:44 ` [PATCH] Btrfs: fix easily get into ENOSPC in mixed case liubo
2011-04-08 21:09 ` Sergei Trofimovich
2011-04-08 21:19 ` Sergei Trofimovich
2011-04-08 21:55 ` Sergei Trofimovich
2011-04-11 6:29 ` liubo
2011-04-11 20:27 ` Sergei Trofimovich
2011-04-19 21:55 ` Sergei Trofimovich
2011-04-21 15:19 ` Sergei Trofimovich
2011-04-22 19:43 ` Sergei Trofimovich [this message]
2011-05-05 14:44 ` Sergei Trofimovich
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