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Date: Thu, 11 Jun 2009 12:31:40 -0400
From: Rik van Riel <riel@redhat.com>
MIME-Version: 1.0
Subject: Re: [PATCH 4/5] HWPOISON: report sticky EIO for poisoned file
References: <20090611142239.192891591@intel.com> <20090611144430.813191526@intel.com>
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To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, LKML <linux-kernel@vger.kernel.org>, Hugh Dickins <hugh.dickins@tiscali.co.uk>, Nick Piggin <npiggin@suse.de>, Andi Kleen <andi@firstfloor.org>, "chris.mason@oracle.com" <chris.mason@oracle.com>, "linux-mm@kvack.org" <linux-mm@kvack.org>
List-ID: <linux-mm.kvack.org>

Wu Fengguang wrote:
> This makes the EIO reports on write(), fsync(), or the NFS close()
> sticky enough. The only way to get rid of it may be
> 
> 	echo 3 > /proc/sys/vm/drop_caches
> 
> Note that the impacted process will only be killed if it mapped the page.
> XXX
> via read()/write()/fsync() instead of memory mapped reads/writes, simply
> because it's very hard to find them.
> 
> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>

Acked-by: Rik van Riel <riel@redhat.com>

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