linux-kernel - Re: [Bugme-new] [Bug 15426] New: Running many copies of bonnie++ on different filesystems seems to deadlock in sync

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Date:	Wed, 03 Mar 2010 19:33:56 +0100
From:	John Hughes <john@...va.COM>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Bugme-new] [Bug 15426] New: Running many copies of bonnie++
 on different filesystems seems to deadlock in sync

Jens Axboe wrote:
> Our sync is currently broken in that regard, since it'll wait for too
> long. We have a debated patch going, I have included it below. Any
> chance you could give it a whirl?
>
> The semantics of sync are supposed to be 'wait for dirty IO generated
> BEFORE this sync call'.
>
>   
This patch doesn't seem to change things.  It's a bit late here, I'll 
check my results tomorrow.

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