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From: Lars Ellenberg <Lars.Ellenberg@linbit.com>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Neil Brown <neilb@suse.de>, Andrew Morton <akpm@osdl.org>,
	Ingo Molnar <mingo@redhat.com>,
	linux-raid@vger.kernel.org, stable@kernel.org
Subject: Re: [patch] md: pass down BIO_RW_SYNC in raid{1,10}
Date: Tue, 9 Jan 2007 15:08:30 +0100	[thread overview]
Message-ID: <20070109140830.GE7566@soda.linbit> (raw)
In-Reply-To: <20070109071224.GG11203@kernel.dk>

/ 2007-01-09 08:12:25 +0100
\ Jens Axboe:
> Ack from me as well, it's really a quite nasty bug from a performance
> POV. Not just for DRDB, but for io schedulers as well.

its DRBD, btw... we still work on the database, too, of course :)

something should be done with the other raid levels as well,
but how to do that was not as obvious to me, unfortunately.

-- 
: Lars Ellenberg                            Tel +43-1-8178292-55 :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :

  reply	other threads:[~2007-01-09 14:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-08  9:08 [patch] md: pass down BIO_RW_SYNC in raid{1,10} Lars Ellenberg
2007-01-08 23:02 ` Andrew Morton
2007-01-08 23:50   ` Neil Brown
2007-01-09  7:12     ` Jens Axboe
2007-01-09 14:08       ` Lars Ellenberg [this message]
2007-01-09 16:13   ` Mike Snitzer

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