From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [patch 1/2]block: handle merged discard request
Date: Mon, 20 Aug 2012 10:15:13 -0400
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To: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>, "Martin K. Petersen" <martin.petersen@oracle.com>, Shaohua Li <shli@kernel.org>, Vivek Goyal <vgoyal@redhat.com>, axboe@kernel.dk, linux-kernel@vger.kernel.org, neilb@suse.de, linux-scsi@vger.kernel.org
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On Mon, Aug 20, 2012 at 10:12:29AM -0400, Mike Snitzer wrote:
> Thought we pushed that down?  Hence sd_setup_discard_cmnd's
> alloc_page + blk_add_request_payload hack.

Yeah, but we still need the bio_vec from early on, as it's allocated as
part of the bio.