block/io: use qemu_iovec_init_buf
commit0d93ed08454e76fa943f6f71964362296d41b12e
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Mon, 18 Feb 2019 14:09:11 +0000 (18 17:09 +0300)
committerStefan Hajnoczi <stefanha@redhat.com>
Fri, 22 Feb 2019 09:42:13 +0000 (22 09:42 +0000)
tree5693ed6a5cf9314479a76f7510ead5fc29d6099c
parenta1ca3ed5ece383de86994b04e2fef01dad7e7e95
block/io: use qemu_iovec_init_buf

Use new qemu_iovec_init_buf() instead of
qemu_iovec_init_external( ... , 1), which simplifies the code.

While being here, use qemu_try_blockalign0 as well.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190218140926.333779-3-vsementsov@virtuozzo.com
Message-Id: <20190218140926.333779-3-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
block/io.c