diff options
Diffstat (limited to 'hw/block/virtio-blk.c')
| -rw-r--r-- | hw/block/virtio-blk.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 3f88f8c..284e646 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -322,7 +322,6 @@ static inline void submit_requests(BlockBackend *blk, MultiReqBuffer *mrb, { QEMUIOVector *qiov = &mrb->reqs[start]->qiov; int64_t sector_num = mrb->reqs[start]->sector_num; - int nb_sectors = mrb->reqs[start]->qiov.size / BDRV_SECTOR_SIZE; bool is_write = mrb->is_write; if (num_reqs > 1) { @@ -331,7 +330,7 @@ static inline void submit_requests(BlockBackend *blk, MultiReqBuffer *mrb, int tmp_niov = qiov->niov; /* mrb->reqs[start]->qiov was initialized from external so we can't - * modifiy it here. We need to initialize it locally and then add the + * modify it here. We need to initialize it locally and then add the * external iovecs. */ qemu_iovec_init(qiov, niov); @@ -343,23 +342,22 @@ static inline void submit_requests(BlockBackend *blk, MultiReqBuffer *mrb, qemu_iovec_concat(qiov, &mrb->reqs[i]->qiov, 0, mrb->reqs[i]->qiov.size); mrb->reqs[i - 1]->mr_next = mrb->reqs[i]; - nb_sectors += mrb->reqs[i]->qiov.size / BDRV_SECTOR_SIZE; } - assert(nb_sectors == qiov->size / BDRV_SECTOR_SIZE); - trace_virtio_blk_submit_multireq(mrb, start, num_reqs, sector_num, - nb_sectors, is_write); + trace_virtio_blk_submit_multireq(mrb, start, num_reqs, + sector_num << BDRV_SECTOR_BITS, + qiov->size, is_write); block_acct_merge_done(blk_get_stats(blk), is_write ? BLOCK_ACCT_WRITE : BLOCK_ACCT_READ, num_reqs - 1); } if (is_write) { - blk_aio_writev(blk, sector_num, qiov, nb_sectors, - virtio_blk_rw_complete, mrb->reqs[start]); + blk_aio_pwritev(blk, sector_num << BDRV_SECTOR_BITS, qiov, 0, + virtio_blk_rw_complete, mrb->reqs[start]); } else { - blk_aio_readv(blk, sector_num, qiov, nb_sectors, - virtio_blk_rw_complete, mrb->reqs[start]); + blk_aio_preadv(blk, sector_num << BDRV_SECTOR_BITS, qiov, 0, + virtio_blk_rw_complete, mrb->reqs[start]); } } |