From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <ming.lei@canonical.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-kernel@vger.kernel.org,
Kick In <pierre-andre.morey@canonical.com>,
Chris J Arges <chris.j.arges@canonical.com>
Subject: Re: [PATCH] blk-merge: fix blk_recount_segments
Date: Tue, 2 Sep 2014 09:21:46 -0700 [thread overview]
Message-ID: <20140902162146.GA28741@infradead.org> (raw)
In-Reply-To: <1409670180-17352-1-git-send-email-ming.lei@canonical.com>
Btw, one thing we should reconsider is where we set
QUEUE_FLAG_NO_SG_MERGE. At least for virtio-blk it seems to me that
doing the S/G merge should be a lot cheaper than fanning out into the
indirect descriptors.
next prev parent reply other threads:[~2014-09-02 16:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-02 15:02 [PATCH] blk-merge: fix blk_recount_segments Ming Lei
2014-09-02 16:21 ` Christoph Hellwig [this message]
2014-09-02 16:24 ` Jens Axboe
2014-09-03 4:19 ` Ming Lei
2014-09-03 6:59 ` Ming Lei
2014-09-05 5:43 ` Rusty Russell
2014-09-05 6:26 ` Ming Lei
2014-09-05 6:28 ` Ming Lei
2014-09-05 11:59 ` Rusty Russell
2014-09-10 23:38 ` Rusty Russell
2014-09-10 23:58 ` Ming Lei
2014-09-12 1:43 ` Rusty Russell
2014-09-13 15:15 ` Ming Lei
2014-10-14 3:54 ` Rusty Russell
2014-09-02 16:24 ` Jens Axboe
2014-09-02 17:01 ` Jeff Moyer
2014-09-03 7:39 ` Ming Lei
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