diff options
Diffstat (limited to 'hw/block/virtio-blk.c')
| -rw-r--r-- | hw/block/virtio-blk.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index dd94cd4..ae86e94 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -384,7 +384,7 @@ static int multireq_compare(const void *a, const void *b) void virtio_blk_submit_multireq(BlockBackend *blk, MultiReqBuffer *mrb) { int i = 0, start = 0, num_reqs = 0, niov = 0, nb_sectors = 0; - int max_xfer_len; + uint32_t max_transfer; int64_t sector_num = 0; if (mrb->num_reqs == 1) { @@ -393,7 +393,7 @@ void virtio_blk_submit_multireq(BlockBackend *blk, MultiReqBuffer *mrb) return; } - max_xfer_len = blk_get_max_transfer_length(mrb->reqs[0]->dev->blk); + max_transfer = blk_get_max_transfer(mrb->reqs[0]->dev->blk); qsort(mrb->reqs, mrb->num_reqs, sizeof(*mrb->reqs), &multireq_compare); @@ -409,8 +409,9 @@ void virtio_blk_submit_multireq(BlockBackend *blk, MultiReqBuffer *mrb) */ if (sector_num + nb_sectors != req->sector_num || niov > blk_get_max_iov(blk) - req->qiov.niov || - req->qiov.size / BDRV_SECTOR_SIZE > max_xfer_len || - nb_sectors > max_xfer_len - req->qiov.size / BDRV_SECTOR_SIZE) { + req->qiov.size > max_transfer || + nb_sectors > (max_transfer - + req->qiov.size) / BDRV_SECTOR_SIZE) { submit_requests(blk, mrb, start, num_reqs, niov); num_reqs = 0; } |