From: Mike Snitzer <snitzer@redhat.com>
Date: Sat, 2 Jun 2012 23:29:43 +0000 (+0100)
Subject: dm mpath: reduce size of struct multipath
X-Git-Tag: v3.5-rc1~1^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fbdd2b3a3cf77f77b0cdf25dd969241ea2c0ce1;p=pandora-kernel.git

dm mpath: reduce size of struct multipath

Move multipath structure's 'lock' and 'queue_size' members to eliminate
two 4-byte holes.  Also use a bit within a single unsigned int for each
existing flag (saves 8-bytes).  This allows future flags to be added
without each consuming an unsigned int.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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