From: Nicholas Swenson <nks@daterainc.com>
Date: Tue, 12 Nov 2013 03:36:25 +0000 (-0800)
Subject: bcache: Add bch_bkey_equal_header()
X-Git-Tag: v3.14-rc1~42^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3bdad1e40d11aad31f2322f21e943c31ef20d9da;p=pandora-kernel.git

bcache: Add bch_bkey_equal_header()

Checks if two keys have equivalent header fields.
(good enough for replacement or merging)

Used in bch_bkey_try_merge, and replacing a key
in the btree.

Signed-off-by: Nicholas Swenson <nks@daterainc.com>
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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