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block: Fix bs->request_alignment assertion for bs->sg=1
authorKevin Wolf <kwolf@redhat.com>
Wed, 5 Mar 2014 14:49:55 +0000 (15:49 +0100)
committerKevin Wolf <kwolf@redhat.com>
Wed, 5 Mar 2014 15:58:37 +0000 (16:58 +0100)
commit47ea2de2d68b6c5319308b7de1980f463b7c125c
tree75f07fa987f3811b82799dd884a57a15f9ccc484
parentf47c3f5a800a927238d20de9f99b5c77f0bc3fe0
block: Fix bs->request_alignment assertion for bs->sg=1

For sg backends, bs->request_alignment is meaningless and may be 0.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
block.c