From: Mike Snitzer <snitzer@redhat.com>
To: dm-devel@redhat.com
Cc: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Subject: [PATCH v2 11/12] dm mpath: enable discard support
Date: Sat, 24 Jul 2010 12:09:27 -0400 [thread overview]
Message-ID: <1279987768-13275-12-git-send-email-snitzer@redhat.com> (raw)
In-Reply-To: <1279987768-13275-1-git-send-email-snitzer@redhat.com>
Enable discard support in the DM multipath target.
This discard support depends on a few discard-specific fixes to the
block layer's request stacking driver methods.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
---
drivers/md/dm-mpath.c | 1 +
1 file changed, 1 insertion(+)
Index: linux-2.6-block/drivers/md/dm-mpath.c
===================================================================
--- linux-2.6-block.orig/drivers/md/dm-mpath.c
+++ linux-2.6-block/drivers/md/dm-mpath.c
@@ -893,6 +893,7 @@ static int multipath_ctr(struct dm_targe
}
ti->num_flush_requests = 1;
+ ti->num_discard_requests = 1;
return 0;
next prev parent reply other threads:[~2010-07-24 16:09 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
2010-07-24 16:09 ` Mike Snitzer [this message]
2010-07-26 20:41 ` [PATCH v3 11/12] dm mpath: enable discard support 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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