tree 1d44e13585134d22b5d62a48a67c8cebab6154c5
parent a89ca6f24ffe435edad57de02eaabd37a2c6bff6
author Mark Fasheh <mfasheh@suse.de> 1435700524 -0700
committer Chris Mason <clm@fb.com> 1435796233 -0700

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>