C++ (Cpp) virtio_blk_flush_complete Examples

Example #1

File: virtio-blk.c Project: dtatulea/qemu

static void virtio_blk_handle_flush(VirtIOBlockReq *req, MultiReqBuffer *mrb)
{
    BlockDriverAIOCB *acb;

    /*
     * Make sure all outstanding writes are posted to the backing device.
     */
    virtio_submit_multiwrite(req->dev->bs, mrb);

    acb = bdrv_aio_flush(req->dev->bs, virtio_blk_flush_complete, req);
    if (!acb) {
        virtio_blk_flush_complete(req, -EIO);
    }
}

Example #2

File: virtio-blk.c Project: mithleshvrts/qemu-kvm-rhel6

static void virtio_blk_handle_flush(BlockRequest *blkreq, int *num_writes,
    VirtIOBlockReq *req, BlockDriverState **old_bs)
{
    BlockDriverAIOCB *acb;

    bdrv_acct_start(req->dev->bs, &req->acct, 0, BDRV_ACCT_FLUSH);

    /*
     * Make sure all outstanding writes are posted to the backing device.
     */
    if (*old_bs != NULL) {
        do_multiwrite(*old_bs, blkreq, *num_writes);
    }
    *num_writes = 0;
    *old_bs = req->dev->bs;

    acb = bdrv_aio_flush(req->dev->bs, virtio_blk_flush_complete, req);
    if (!acb) {
        virtio_blk_flush_complete(req, -EIO);
    }
}