qcow: make encrypt_sectors encrypt in place
commit1fad1f9400614ebbce9f3ee301fa8d64cbf715e2
authorDaniel P. Berrange <berrange@redhat.com>
Fri, 23 Jun 2017 16:24:07 +0000 (23 17:24 +0100)
committerMax Reitz <mreitz@redhat.com>
Tue, 11 Jul 2017 15:44:56 +0000 (11 17:44 +0200)
treebd40e2aa385770c29611428b3b3164e5690ed03f
parent0cb8d47ba94c0e16f22e3e385dc7c60aea852eee
qcow: make encrypt_sectors encrypt in place

Instead of requiring separate input/output buffers for
encrypting data, change encrypt_sectors() to assume
use of a single buffer, encrypting in place. One current
caller uses the same buffer for input/output already
and the other two callers are easily converted to do so.

Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170623162419.26068-9-berrange@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
block/qcow.c