From: Mikulas Patocka <mpatocka@redhat.com>
Date: Fri, 15 Nov 2013 21:12:51 +0000 (-0500)
Subject: dm delay: use per-bio data instead of a mempool and slab cache
X-Git-Tag: v3.14-rc1~130^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42065460aed7201ec8adf0179a258a23bd1ebd78;p=pandora-kernel.git

dm delay: use per-bio data instead of a mempool and slab cache

Starting with commit c0820cf5ad095 ("dm: introduce per_bio_data"),
device mapper has the capability to pre-allocate a target-specific
structure with the bio.

This patch changes dm-delay to use this facility instead of a slab cache
and mempool.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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