diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/qed.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/block/qed.c b/block/qed.c index 3cda01f..a4b13f8 100644 --- a/block/qed.c +++ b/block/qed.c @@ -1022,29 +1022,22 @@ static int qed_aio_write_l2_update(QEDAIOCB *acb, uint64_t offset) /** * Write data to the image file */ -static void qed_aio_write_main(void *opaque, int ret) +static int qed_aio_write_main(QEDAIOCB *acb) { - QEDAIOCB *acb = opaque; BDRVQEDState *s = acb_to_s(acb); uint64_t offset = acb->cur_cluster + qed_offset_into_cluster(s, acb->cur_pos); + int ret; - trace_qed_aio_write_main(s, acb, ret, offset, acb->cur_qiov.size); - - if (ret) { - qed_aio_complete(acb, ret); - return; - } + trace_qed_aio_write_main(s, acb, 0, offset, acb->cur_qiov.size); BLKDBG_EVENT(s->bs->file, BLKDBG_WRITE_AIO); ret = bdrv_pwritev(s->bs->file, offset, &acb->cur_qiov); - if (ret >= 0) { - ret = 0; + if (ret < 0) { + return ret; } - if (acb->find_cluster_ret == QED_CLUSTER_FOUND) { - qed_aio_next_io(acb, ret); - } else { + if (acb->find_cluster_ret != QED_CLUSTER_FOUND) { if (s->bs->backing) { /* * Flush new data clusters before updating the L2 table @@ -1057,20 +1050,16 @@ static void qed_aio_write_main(void *opaque, int ret) * cluster and before updating the L2 table. */ ret = bdrv_flush(s->bs->file->bs); - } - if (ret) { - goto err; + if (ret < 0) { + return ret; + } } ret = qed_aio_write_l2_update(acb, acb->cur_cluster); - if (ret) { - goto err; + if (ret < 0) { + return ret; } - qed_aio_next_io(acb, 0); } - return; - -err: - qed_aio_complete(acb, ret); + return 0; } /** @@ -1102,8 +1091,17 @@ static void qed_aio_write_cow(void *opaque, int ret) trace_qed_aio_write_postfill(s, acb, start, len, offset); ret = qed_copy_from_backing_file(s, start, len, offset); + if (ret) { + qed_aio_complete(acb, ret); + return; + } - qed_aio_write_main(acb, ret); + ret = qed_aio_write_main(acb); + if (ret < 0) { + qed_aio_complete(acb, ret); + return; + } + qed_aio_next_io(acb, 0); } /** @@ -1201,6 +1199,8 @@ static void qed_aio_write_alloc(QEDAIOCB *acb, size_t len) */ static void qed_aio_write_inplace(QEDAIOCB *acb, uint64_t offset, size_t len) { + int ret; + /* Allocate buffer for zero writes */ if (acb->flags & QED_AIOCB_ZERO) { struct iovec *iov = acb->qiov->iov; @@ -1220,7 +1220,12 @@ static void qed_aio_write_inplace(QEDAIOCB *acb, uint64_t offset, size_t len) qemu_iovec_concat(&acb->cur_qiov, acb->qiov, acb->qiov_offset, len); /* Do the actual write */ - qed_aio_write_main(acb, 0); + ret = qed_aio_write_main(acb); + if (ret < 0) { + qed_aio_complete(acb, ret); + return; + } + qed_aio_next_io(acb, 0); } /** |