From: Vivek Goyal <vgoyal@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: Mike Snitzer <snitzer@redhat.com>, Jens Axboe <axboe@kernel.dk>,
Jeff Moyer <jmoyer@redhat.com>,
Markus Trippelsdorf <markus@trippelsdorf.de>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
linux-kernel@vger.kernel.org,
Chris Mason <chris.mason@oracle.com>,
hch@infradead.org
Subject: Re: block: eliminate ELEVATOR_INSERT_REQUEUE
Date: Wed, 30 Mar 2011 11:22:48 -0400 [thread overview]
Message-ID: <20110330152248.GC1291@redhat.com> (raw)
In-Reply-To: <20110330142751.GH17523@htj.dyndns.org>
On Wed, Mar 30, 2011 at 04:27:51PM +0200, Tejun Heo wrote:
[..]
> > And just to be clear: none of this is a concern for stable right? It is
> > just the flush-merge code introduced for 2.6.39 that needs fixing?
>
> I think 2.6.38 needs a -stable fix. It has the previous version of
> the new flush implementation and is using front insertion.
Tejun,
So wee need this as stable fix because FLUSH request can get ahead of
REQUEUED requests and it can break some drivers?
Thanks
Vivek
next prev parent reply other threads:[~2011-03-30 15:23 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-25 15:15 [OOPS] elevator private data for REQ_FLUSH Sergey Senozhatsky
2011-03-25 15:22 ` Markus Trippelsdorf
2011-03-25 15:40 ` Mike Snitzer
2011-03-25 15:50 ` Jens Axboe
2011-03-25 18:54 ` Mike Snitzer
2011-03-25 19:50 ` Jens Axboe
2011-03-26 4:21 ` Mike Snitzer
2011-03-28 8:23 ` Tejun Heo
2011-03-28 22:15 ` [PATCH] block: eliminate ELEVATOR_INSERT_REQUEUE (was: Re: elevator private data for REQ_FLUSH) Mike Snitzer
2011-03-29 11:56 ` [PATCH] block: eliminate ELEVATOR_INSERT_REQUEUE Jens Axboe
2011-03-29 14:18 ` Mike Snitzer
2011-03-29 18:25 ` [PATCH] " Christoph Hellwig
2011-03-30 7:42 ` Tejun Heo
2011-03-30 7:53 ` Jens Axboe
2011-03-29 14:13 ` [PATCH] block: eliminate ELEVATOR_INSERT_REQUEUE (was: Re: elevator private data for REQ_FLUSH) Jeff Moyer
2011-03-29 17:54 ` Vivek Goyal
2011-03-30 7:41 ` Tejun Heo
2011-03-30 7:57 ` Tejun Heo
2011-03-30 7:59 ` [PATCH] block: eliminate ELEVATOR_INSERT_REQUEUE Jens Axboe
2011-03-30 8:02 ` Tejun Heo
2011-03-30 10:16 ` Jens Axboe
2011-03-30 11:20 ` Tejun Heo
2011-03-30 11:23 ` Jens Axboe
2011-03-30 11:21 ` Sergey Senozhatsky
2011-03-30 11:22 ` Jens Axboe
2011-03-30 11:49 ` Sergey Senozhatsky
2011-03-30 13:46 ` Vivek Goyal
2011-03-30 13:49 ` Tejun Heo
2011-03-30 14:01 ` Mike Snitzer
2011-03-30 14:27 ` Tejun Heo
2011-03-30 15:22 ` Vivek Goyal [this message]
2011-03-30 15:30 ` Tejun Heo
2011-03-30 17:13 ` Jens Axboe
2011-03-30 17:32 ` Tejun Heo
2011-03-30 17:56 ` Jeff Moyer
2011-03-30 18:12 ` Jens Axboe
2011-03-25 15:57 ` [OOPS] elevator private data for REQ_FLUSH Jens Axboe
2011-03-25 16:03 ` Markus Trippelsdorf
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