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(parent: a89ca6f) | patch
btrfs: pass unaligned length to btrfs_cmp_data()
authorMark Fasheh <mfasheh@suse.de>
Tue, 30 Jun 2015 21:42:04 +0000 (14:42 -0700)
committerChris Mason <clm@fb.com>
Thu, 2 Jul 2015 00:17:13 +0000 (17:17 -0700)
commit207910ddeeda38fd54544d94f8c8ca5a9632cc25
tree1d44e13585134d22b5d62a48a67c8cebab6154c5tree | snapshot
parenta89ca6f24ffe435edad57de02eaabd37a2c6bff6commit | diff
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>
fs/btrfs/ioctl.c diff | blob | history
Linux kernel for KaRo TX COM modules