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Date:	Tue, 02 Dec 2008 09:29:40 +0900
From:	Toshiyuki Okajima <toshi.okajima@...fujitsu.com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
CC:	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Re: BUG: scheduling while atomic: kswapd0/273/0x00000002

Aneesh Kumar K.V wrote:
> On Mon, Dec 01, 2008 at 09:23:41PM +0530, Balbir Singh wrote:
>> * Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com> [2008-12-01 20:56:56]:
>>
>>> Hi,
>>>
>>> With the latest patch queue i am getting the below error
>>>
>> Did you enable jbd_debug enabled by any chance? 
>>
> 
> No. The problem is we cannot call jbd2_log_wait_commit
> from blkdev_releasepage because jbd2_log_wait_commit
> does a wait_event 
> 
> 549                 spin_unlock(&journal->j_state_lock);
> 550                 wait_event(journal->j_wait_done_commit,
> 551                                 !tid_gt(tid, journal->j_commit_sequence));
> 552                 spin_lock(&journal->j_state_lock);
> 
> -aneesh
OK. This problem was caused by the patch which I made.
I will make a patch which fixes it immediately.
Thank you for your report.

Best Regards,
Toshiyuki Okajima

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