Commit f4326aef authored by Vladimir Sementsov-Ogievskiy's avatar Vladimir Sementsov-Ogievskiy Committed by Kevin Wolf
Browse files

block/stream: use buffer-based io 



Signed-off-by: default avatarVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: default avatarStefano Garzarella <sgarzare@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 08b6261f

block/stream.c

+1 −3
Original line number Diff line number Diff line
@@ -42,12 +42,10 @@ static int coroutine_fn stream_populate(BlockBackend *blk, 
                                        int64_t offset, uint64_t bytes,

                                        void *buf)

{

    QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);



    assert(bytes < SIZE_MAX);



    /* Copy-on-read the unallocated clusters */

    return blk_co_preadv(blk, offset, qiov.size, &qiov, BDRV_REQ_COPY_ON_READ);

    return blk_co_pread(blk, offset, bytes, buf, BDRV_REQ_COPY_ON_READ);

}



static void stream_abort(Job *job)