From: Christoph Hellwig <hch@infradead.org>
To: device-mapper development <dm-devel@redhat.com>
Cc: Jens Axboe <jaxboe@fusionio.com>, Christoph Hellwig <hch@lst.de>,
Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Subject: Re: [PATCH v2 10/12] block: update request stacking methods to support discards
Date: Tue, 27 Jul 2010 10:54:36 -0400 [thread overview]
Message-ID: <20100727145436.GA25210@infradead.org> (raw)
In-Reply-To: <1279987768-13275-11-git-send-email-snitzer@redhat.com>
On Sat, Jul 24, 2010 at 12:09:26PM -0400, Mike Snitzer wrote:
> Propagate REQ_DISCARD in cmd_flags when cloning a discard request.
> Skip blk_rq_check_limits's existing checks for discard requests because
> discard limits will have already been checked in blkdev_issue_discard.
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2010-07-27 14:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-24 16:09 [PATCH v2 00/12] dm: enable discard support for more targets Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 01/12] dm: rename map_info flush_request to target_request_nr Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 02/12] dm: introduce num_discard_requests in dm_target structure Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 03/12] dm: remove the DM_TARGET_SUPPORTS_DISCARDS feature flag Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 04/12] dm: use common __issue_target_request for flush and discard support Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 05/12] dm: factor max_io_len for code reuse Mike Snitzer
2010-07-26 21:36 ` [PATCH v3 " Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 06/12] dm: split discard requests on target boundaries Mike Snitzer
2010-07-26 21:41 ` [PATCH v3 " Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 07/12] dm zero: silently drop discards too Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 08/12] dm error: return error for " Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 09/12] dm delay: enable discard support Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 10/12] block: update request stacking methods to support discards Mike Snitzer
2010-07-27 14:54 ` Christoph Hellwig [this message]
2010-07-24 16:09 ` [PATCH v2 11/12] dm mpath: enable discard support Mike Snitzer
2010-07-26 20:41 ` [PATCH v3 " Mike Snitzer
2010-07-24 16:09 ` [PATCH v2 12/12] dm stripe: enable efficient " Mike Snitzer
2010-07-27 20:32 ` [PATCH v3 " Mike Snitzer
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