Commit 107d433c authored by Peter Lieven's avatar Peter Lieven Committed by Kevin Wolf
Browse files

block: assert that bs->request_alignment is a power of 2 



at least bdrv_co_preadv/pwritev expect this.

Signed-off-by: default avatarPeter Lieven <pl@kamp.de>
Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent ebd2f9e7

block.c

+1 −1
Original line number Diff line number Diff line
@@ -1018,7 +1018,7 @@ static int bdrv_open_common(BlockDriverState *bs, BdrvChild *file, 


    assert(bdrv_opt_mem_align(bs) != 0);

    assert(bdrv_min_mem_align(bs) != 0);

    assert((bs->request_alignment != 0) || bdrv_is_sg(bs));

    assert(is_power_of_2(bs->request_alignment) || bdrv_is_sg(bs));



    qemu_opts_del(opts);

    return 0;