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From: Rik van Riel <riel@redhat.com>
To: "Ted Ts'o" <tytso@mit.edu>, Jeff Layton <jlayton@redhat.com>,
	linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
	esandeen@redhat.com, jmoyer@redhat.com,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] clear PageError bit in msync & fsync
Date: Thu, 11 Nov 2010 11:31:27 -0500	[thread overview]
Message-ID: <4CDC1A5F.9050803@redhat.com> (raw)
In-Reply-To: <20101109210715.GJ3099@thunk.org>

On 11/09/2010 04:07 PM, Ted Ts'o wrote:

> Do we guarantee that the application will get EIO at least once?  I
> thought there were issues where the error bit could get lost if the
> page writeback was triggered by sync() run by a third-party
> application.

Andrew, both the current kernel before and after my patch does
not guarantee the behaviour Ted has pointed out is required.

Johannes came up with a way to guarantee that - I'll send in
a patch for that today.  That patch will obsolete the patch
I sent before (I don't think you've applied it yet).

-- 
All rights reversed

  parent reply	other threads:[~2010-11-11 16:32 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-09 16:44 Rik van Riel
2010-11-09 18:09 ` Valerie Aurora
2010-11-09 19:21 ` Jeff Layton
2010-11-09 19:33   ` Rik van Riel
2010-11-09 21:07     ` Ted Ts'o
2010-11-09 21:15       ` Rik van Riel
2010-11-09 21:41         ` Andrew Morton
2010-11-12  4:36           ` Rik van Riel
2010-11-12 15:52             ` Jeff Layton
2010-11-12 17:04               ` Rik van Riel
2010-11-09 21:44         ` Jan Kara
2010-11-11 16:31       ` Rik van Riel [this message]
2010-11-09 21:21     ` Zan Lynx
2010-11-09 21:24       ` Rik van Riel
2010-11-12 20:51         ` Eric Sandeen
2010-11-12 21:36           ` Jeff Layton
2010-11-09 21:39 ` Jan Kara

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