From: Vincent Pelletier <plr.vincent@gmail.com>
Date: Sat, 30 Nov 2013 11:58:42 +0000 (+0100)
Subject: dm cache: actually resize cache
X-Git-Tag: v3.13-rc4~11^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=088448007bb97af47ec3f05fc3e9517ffb5e9fba;p=pandora-kernel.git

dm cache: actually resize cache

Commit f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 ("dm cache: cache
shrinking support") broke cache resizing support.

dm_cache_resize() is called with cache->cache_size before it gets
updated to new_size, so it is a no-op.  But the dm-cache superblock is
updated with the new_size even though the backing dm-array is not
resized.  Fix this by passing the new_size to dm_cache_resize().

Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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