tree ca1a69874842c86904ff6b66cb7430c818f2baa4
parent 7a5a4f978750756755dc839014e13d1b088ccc8e
author Chris Mason <clm@fb.com> 1417355793 -0500
committer Linus Torvalds <torvalds@linux-foundation.org> 1417368831 -0800

btrfs: zero out left over bytes after processing compression streams

Don Bailey noticed that our page zeroing for compression at end-io time
isn't complete.  This reworks a patch from Linus to push the zeroing
into the zlib and lzo specific functions instead of trying to handle the
corners inside btrfs_decompress_buf2page

Signed-off-by: Chris Mason <clm@fb.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Reported-by: Don A. Bailey <donb@securitymouse.com>
cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>