From: Mark Fasheh <mfasheh@suse.de>
Date: Tue, 30 Jun 2015 21:42:04 +0000 (-0700)
Subject: btrfs: pass unaligned length to btrfs_cmp_data()
X-Git-Tag: omap-for-v4.2/fixes-rc2-v2~20^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=207910ddeeda38fd54544d94f8c8ca5a9632cc25;p=pandora-kernel.git

btrfs: pass unaligned length to btrfs_cmp_data()

In the case that we dedupe the tail of a file, we might expand the dedupe
len out to the end of our last block. We don't want to compare data past
i_size however, so pass the original length to btrfs_cmp_data().

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
---

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