From: Johann Lombardi <johann@clusterfs.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Clear PG_error before reading a page
Date: Tue, 29 May 2007 19:06:10 +0200 [thread overview]
Message-ID: <20070529170610.GB15502@chiva> (raw)
In-Reply-To: <20070517094730.5cdfaa64.akpm@linux-foundation.org>
On Thu, May 17, 2007 at 09:47:30AM -0700, Andrew Morton wrote:
> So running ioctl(BLKFLSBUF) against the device will fix things up?
No, 'blockdev --flushbufs /dev/sdb' doesn't help.
> Perhaps not, and we should invalidate all the file data as well. The
> only ways we have of doing that are umount+mount or /proc/sys/vm/drop_caches.
'echo > /proc/sys/vm/drop_caches' works. Thanks.
Johann
prev parent reply other threads:[~2007-05-29 17:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-15 14:37 Clear PG_error before reading a page Johann Lombardi
2007-05-15 17:11 ` Andrew Morton
2007-05-15 21:01 ` Johann Lombardi
2007-05-15 21:23 ` Andrew Morton
2007-05-16 15:39 ` Johann Lombardi
2007-05-16 15:49 ` Nick Piggin
2007-05-16 16:12 ` Andrew Morton
2007-05-17 11:42 ` Johann Lombardi
2007-05-17 16:47 ` Andrew Morton
2007-05-29 17:06 ` Johann Lombardi [this message]
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