From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: "Theodore Ts'o" <tytso@mit.edu>
Cc: Ext4 Developers List <linux-ext4@vger.kernel.org>
Subject: Re: [PATCH] ext4: Add support for data=alloc_on_commit mode
Date: Tue, 17 Mar 2009 14:58:59 +0530 [thread overview]
Message-ID: <20090317092859.GA30636@skywalker> (raw)
In-Reply-To: <1237259998-12656-1-git-send-email-tytso@mit.edu>
On Mon, Mar 16, 2009 at 11:19:58PM -0400, Theodore Ts'o wrote:
> Add an ext3 bug-for-bug compatible analogue for data=ordered mode. In
> this mode, we force all delayed allocation blocks involved with the
> to-be-commited transaction to be allocated, and then flushed out to
> disk before the transaction is commited.
>
Wouldn't this cause a deadlock ? We want to commit a transaction because
we don't have enough journal space (via journal_start) and now that would cause block
allocation which would do another journal_start()
-aneesh
next prev parent reply other threads:[~2009-03-17 9:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-17 3:19 [PATCH] ext4: Add support for data=alloc_on_commit mode Theodore Ts'o
2009-03-17 4:07 ` Eric Sandeen
2009-03-17 9:28 ` Aneesh Kumar K.V [this message]
2009-03-18 13:12 ` Jan Kara
2009-03-18 18:19 ` Theodore Tso
2009-03-18 4:18 ` Eric Sandeen
2009-03-19 16:42 ` Eric Sandeen
2009-03-19 21:50 ` Eric Sandeen
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