From: Kent Overstreet <koverstreet@google.com>
Date: Mon, 22 Apr 2013 21:44:24 +0000 (-0700)
Subject: bcache: Fix merge_bvec_fn usage for when it modifies the bvm
X-Git-Tag: omap-for-v3.10/fixes-for-merge-window-part2~10^2^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a09ded8edf9ed4009930713e101249084cbcea5c;p=pandora-kernel.git

bcache: Fix merge_bvec_fn usage for when it modifies the bvm

Stacked md devices reuse the bvm for the subordinate device, causing
problems...

Reported-by: Michael Balser <michael.balser@profitbricks.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
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