dm snapshot: use dm-bufio
authorMikulas Patocka <mpatocka@redhat.com>
Tue, 14 Jan 2014 00:12:36 +0000 (19:12 -0500)
committerMike Snitzer <snitzer@redhat.com>
Wed, 15 Jan 2014 04:23:02 +0000 (23:23 -0500)
Use dm-bufio for initial loading of the exceptions.
Introduce a new function dm_bufio_forget that frees the given buffer.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

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