예제 #1
0
static void qemu_aio_complete(void *opaque, int ret)
{
    struct ioreq *ioreq = opaque;

    if (ret != 0) {
        xen_be_printf(&ioreq->blkdev->xendev, 0, "%s I/O error\n",
                      ioreq->req.operation == BLKIF_OP_READ ? "read" : "write");
        ioreq->aio_errors++;
    }

    ioreq->aio_inflight--;
    if (ioreq->presync) {
        ioreq->presync = 0;
        ioreq_runio_qemu_aio(ioreq);
        return;
    }
    if (ioreq->aio_inflight > 0) {
        return;
    }
    if (ioreq->postsync) {
        ioreq->postsync = 0;
        ioreq->aio_inflight++;
        bdrv_aio_flush(ioreq->blkdev->bs, qemu_aio_complete, ioreq);
        return;
    }

    ioreq->status = ioreq->aio_errors ? BLKIF_RSP_ERROR : BLKIF_RSP_OKAY;
    ioreq_unmap(ioreq);
    ioreq_finish(ioreq);
    bdrv_acct_done(ioreq->blkdev->bs, &ioreq->acct);
    qemu_bh_schedule(ioreq->blkdev->bh);
}
예제 #2
0
파일: virtio-blk.c 프로젝트: 0bliv10n/s2e
static int virtio_blk_handle_rw_error(VirtIOBlockReq *req, int error,
    int is_read)
{
    BlockErrorAction action = bdrv_get_on_error(req->dev->bs, is_read);
    VirtIOBlock *s = req->dev;

    if (action == BLOCK_ERR_IGNORE) {
        bdrv_emit_qmp_error_event(s->bs, BDRV_ACTION_IGNORE, is_read);
        return 0;
    }

    if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
            || action == BLOCK_ERR_STOP_ANY) {
        req->next = s->rq;
        s->rq = req;
        bdrv_emit_qmp_error_event(s->bs, BDRV_ACTION_STOP, is_read);
        vm_stop(RUN_STATE_IO_ERROR);
        bdrv_iostatus_set_err(s->bs, error);
    } else {
        virtio_blk_req_complete(req, VIRTIO_BLK_S_IOERR);
        bdrv_acct_done(s->bs, &req->acct);
        g_free(req);
        bdrv_emit_qmp_error_event(s->bs, BDRV_ACTION_REPORT, is_read);
    }

    return 1;
}
예제 #3
0
파일: virtio-blk.c 프로젝트: Samsara00/qemu
static void virtio_blk_flush_complete(void *opaque, int ret)
{
    VirtIOBlockReq *req = opaque;

    if (ret) {
        if (virtio_blk_handle_rw_error(req, -ret, 0)) {
            return;
        }
    }

    virtio_blk_req_complete(req, VIRTIO_BLK_S_OK);
    bdrv_acct_done(req->dev->bs, &req->acct);
    virtio_blk_free_request(req);
}
예제 #4
0
파일: virtio-blk.c 프로젝트: 0bliv10n/s2e
static void virtio_blk_rw_complete(void *opaque, int ret)
{
    VirtIOBlockReq *req = opaque;

    trace_virtio_blk_rw_complete(req, ret);

    if (ret) {
        int is_read = !(ldl_p(&req->out->type) & VIRTIO_BLK_T_OUT);
        if (virtio_blk_handle_rw_error(req, -ret, is_read))
            return;
    }

    virtio_blk_req_complete(req, VIRTIO_BLK_S_OK);
    bdrv_acct_done(req->dev->bs, &req->acct);
    g_free(req);
}
예제 #5
0
파일: virtio-blk.c 프로젝트: Samsara00/qemu
static void virtio_blk_rw_complete(void *opaque, int ret)
{
    VirtIOBlockReq *req = opaque;

    trace_virtio_blk_rw_complete(req, ret);

    if (ret) {
        int p = virtio_ldl_p(VIRTIO_DEVICE(req->dev), &req->out.type);
        bool is_read = !(p & VIRTIO_BLK_T_OUT);
        if (virtio_blk_handle_rw_error(req, -ret, is_read))
            return;
    }

    virtio_blk_req_complete(req, VIRTIO_BLK_S_OK);
    bdrv_acct_done(req->dev->bs, &req->acct);
    virtio_blk_free_request(req);
}
예제 #6
0
파일: virtio-blk.c 프로젝트: Samsara00/qemu
static int virtio_blk_handle_rw_error(VirtIOBlockReq *req, int error,
    bool is_read)
{
    BlockErrorAction action = bdrv_get_error_action(req->dev->bs, is_read, error);
    VirtIOBlock *s = req->dev;

    if (action == BLOCK_ERROR_ACTION_STOP) {
        req->next = s->rq;
        s->rq = req;
    } else if (action == BLOCK_ERROR_ACTION_REPORT) {
        virtio_blk_req_complete(req, VIRTIO_BLK_S_IOERR);
        bdrv_acct_done(s->bs, &req->acct);
        virtio_blk_free_request(req);
    }

    bdrv_error_action(s->bs, action, is_read, error);
    return action != BLOCK_ERROR_ACTION_IGNORE;
}