From: "Aneesh Kumar K. V" <aneesh.kumar@linux.vnet.ibm.com>
To: Dmitry Monakhov <dmonakhov@openvz.org>, linux-ext4@vger.kernel.org
Cc: tytso@mit.edu
Subject: Re: [PATCH 1/2] ext4: Do not allow retry alloc loop under open transaction
Date: Thu, 04 Feb 2010 17:07:21 +0530 [thread overview]
Message-ID: <87wrytqlji.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <874olytbpe.fsf@openvz.org>
On Wed, 03 Feb 2010 21:27:31 +0300, Dmitry Monakhov <dmonakhov@openvz.org> wrote:
>
> Some times we call ->write_begin() with opened journal
> but write_begin() may internally call ext4_should_retry_alloc()
> in case of ENOSPC, which result in deadlock.
> This patch introduce new AOP_FLAG which should be tested on retry
> alloc path.
>
Can you explain this further. We do a journal_stop before
ext4_should_retry_alloc. So not sure about the deadlock.
-aneesh
next prev parent reply other threads:[~2010-02-04 11:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-03 18:27 [PATCH 1/2] ext4: Do not allow retry alloc loop under open transaction Dmitry Monakhov
2010-02-04 11:37 ` Aneesh Kumar K. V [this message]
2010-02-04 12:06 ` Dmitry Monakhov
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