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From: Tejun Heo <tj@kernel.org>
To: Mike Snitzer <snitzer@redhat.com>
Cc: Jens Axboe <jaxboe@fusionio.com>,
tytso@mit.edu, djwong@us.ibm.com, shli@kernel.org, neilb@suse.de,
adilger.kernel@dilger.ca, jack@suse.cz,
linux-kernel@vger.kernel.org, kmannth@us.ibm.com, cmm@us.ibm.com,
linux-ext4@vger.kernel.org, rwheeler@redhat.com, hch@lst.de,
josef@redhat.com, jmoyer@redhat.com, vgoyal@redhat.com
Subject: Re: [PATCH v2 2/2] block: share request flush fields with elevator_private
Date: Thu, 3 Feb 2011 10:24:01 +0100 [thread overview]
Message-ID: <20110203092401.GA2570@htj.dyndns.org> (raw)
In-Reply-To: <1296600373-6906-2-git-send-email-snitzer@redhat.com>
On Tue, Feb 01, 2011 at 05:46:13PM -0500, Mike Snitzer wrote:
> Flush requests are never put on the IO scheduler. Convert request
> structure's elevator_private* into an array and have the flush fields
> share a union with it.
>
> Reclaim the space lost in 'struct request' by moving 'completion_data'
> back in the union with 'rb_node'.
>
> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
next prev parent reply other threads:[~2011-02-03 9:24 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-21 15:59 [PATCHSET] block: reimplement FLUSH/FUA to support merge Tejun Heo
2011-01-21 15:59 ` [PATCH 1/3] block: add REQ_FLUSH_SEQ Tejun Heo
2011-01-21 15:59 ` [PATCH 2/3] block: improve flush bio completion Tejun Heo
2011-01-21 15:59 ` [PATCH 3/3] block: reimplement FLUSH/FUA to support merge Tejun Heo
2011-01-21 18:56 ` Vivek Goyal
2011-01-21 19:19 ` Vivek Goyal
2011-01-23 10:25 ` Tejun Heo
2011-01-23 10:29 ` Tejun Heo
2011-01-24 20:31 ` Darrick J. Wong
2011-01-25 10:21 ` Tejun Heo
2011-01-25 11:39 ` Jens Axboe
2011-03-23 23:37 ` Darrick J. Wong
2011-01-25 22:56 ` Darrick J. Wong
2011-01-22 0:49 ` Mike Snitzer
2011-01-23 10:31 ` Tejun Heo
2011-01-25 20:46 ` Vivek Goyal
2011-01-25 21:04 ` Mike Snitzer
2011-01-23 10:48 ` [PATCH UPDATED " Tejun Heo
2011-01-25 20:41 ` [KNOWN BUGGY RFC PATCH 4/3] block: skip elevator initialization for flush requests Mike Snitzer
2011-01-25 21:55 ` Mike Snitzer
2011-01-26 5:27 ` [RFC PATCH 4/3] block: skip elevator initialization for flush requests -- was never BUGGY relative to upstream Mike Snitzer
2011-01-26 10:03 ` [KNOWN BUGGY RFC PATCH 4/3] block: skip elevator initialization for flush requests Tejun Heo
2011-01-26 10:05 ` Tejun Heo
2011-02-01 17:38 ` [RFC " Mike Snitzer
2011-02-01 18:52 ` Tejun Heo
2011-02-01 22:46 ` [PATCH v2 1/2] " Mike Snitzer
2011-02-02 21:51 ` Vivek Goyal
2011-02-02 22:06 ` Mike Snitzer
2011-02-02 22:55 ` [PATCH v3 1/2] block: skip elevator data " Mike Snitzer
2011-02-03 9:28 ` Tejun Heo
2011-02-03 14:48 ` [PATCH v4 " Mike Snitzer
2011-02-03 13:24 ` [PATCH v3 " Jens Axboe
2011-02-03 13:38 ` Tejun Heo
2011-02-04 15:04 ` Vivek Goyal
2011-02-04 15:08 ` Tejun Heo
2011-02-04 16:58 ` [PATCH v5 " Mike Snitzer
2011-02-03 14:54 ` [PATCH v3 " Mike Snitzer
2011-02-01 22:46 ` [PATCH v2 2/2] block: share request flush fields with elevator_private Mike Snitzer
2011-02-02 21:52 ` Vivek Goyal
2011-02-03 9:24 ` Tejun Heo [this message]
2011-02-11 10:08 ` Jens Axboe
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