diff options
| -rw-r--r-- | block/quorum.c | 81 |
1 files changed, 38 insertions, 43 deletions
diff --git a/block/quorum.c b/block/quorum.c index 690fd36..4bba9fd 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -114,8 +114,8 @@ struct QuorumAIOCB { Coroutine *co; /* Request metadata */ - uint64_t sector_num; - int nb_sectors; + uint64_t offset; + uint64_t bytes; QEMUIOVector *qiov; /* calling IOV */ @@ -157,8 +157,8 @@ static bool quorum_64bits_compare(QuorumVoteValue *a, QuorumVoteValue *b) static QuorumAIOCB *quorum_aio_get(BlockDriverState *bs, QEMUIOVector *qiov, - uint64_t sector_num, - int nb_sectors) + uint64_t offset, + uint64_t bytes) { BDRVQuorumState *s = bs->opaque; QuorumAIOCB *acb = g_new(QuorumAIOCB, 1); @@ -166,8 +166,8 @@ static QuorumAIOCB *quorum_aio_get(BlockDriverState *bs, acb->co = qemu_coroutine_self(); acb->bs = bs; - acb->sector_num = sector_num; - acb->nb_sectors = nb_sectors; + acb->offset = offset; + acb->bytes = bytes; acb->qiov = qiov; acb->qcrs = g_new0(QuorumChildRequest, s->num_children); acb->count = 0; @@ -187,23 +187,30 @@ static QuorumAIOCB *quorum_aio_get(BlockDriverState *bs, return acb; } -static void quorum_report_bad(QuorumOpType type, uint64_t sector_num, - int nb_sectors, char *node_name, int ret) +static void quorum_report_bad(QuorumOpType type, uint64_t offset, + uint64_t bytes, char *node_name, int ret) { const char *msg = NULL; + int64_t start_sector = offset / BDRV_SECTOR_SIZE; + int64_t end_sector = DIV_ROUND_UP(offset + bytes, BDRV_SECTOR_SIZE); + if (ret < 0) { msg = strerror(-ret); } - qapi_event_send_quorum_report_bad(type, !!msg, msg, node_name, - sector_num, nb_sectors, &error_abort); + qapi_event_send_quorum_report_bad(type, !!msg, msg, node_name, start_sector, + end_sector - start_sector, &error_abort); } static void quorum_report_failure(QuorumAIOCB *acb) { const char *reference = bdrv_get_device_or_node_name(acb->bs); - qapi_event_send_quorum_failure(reference, acb->sector_num, - acb->nb_sectors, &error_abort); + int64_t start_sector = acb->offset / BDRV_SECTOR_SIZE; + int64_t end_sector = DIV_ROUND_UP(acb->offset + acb->bytes, + BDRV_SECTOR_SIZE); + + qapi_event_send_quorum_failure(reference, start_sector, + end_sector - start_sector, &error_abort); } static int quorum_vote_error(QuorumAIOCB *acb); @@ -240,8 +247,7 @@ static void quorum_report_bad_acb(QuorumChildRequest *sacb, int ret) { QuorumAIOCB *acb = sacb->parent; QuorumOpType type = acb->is_read ? QUORUM_OP_TYPE_READ : QUORUM_OP_TYPE_WRITE; - quorum_report_bad(type, acb->sector_num, acb->nb_sectors, - sacb->bs->node_name, ret); + quorum_report_bad(type, acb->offset, acb->bytes, sacb->bs->node_name, ret); } static int quorum_fifo_aio_cb(void *opaque, int ret) @@ -280,8 +286,7 @@ static void quorum_report_bad_versions(BDRVQuorumState *s, continue; } QLIST_FOREACH(item, &version->items, next) { - quorum_report_bad(QUORUM_OP_TYPE_READ, acb->sector_num, - acb->nb_sectors, + quorum_report_bad(QUORUM_OP_TYPE_READ, acb->offset, acb->bytes, s->children[item->index]->bs->node_name, 0); } } @@ -295,9 +300,7 @@ static void quorum_rewrite_entry(void *opaque) /* Ignore any errors, it's just a correction attempt for already * corrupted data. */ - bdrv_co_pwritev(s->children[co->idx], - acb->sector_num * BDRV_SECTOR_SIZE, - acb->nb_sectors * BDRV_SECTOR_SIZE, + bdrv_co_pwritev(s->children[co->idx], acb->offset, acb->bytes, acb->qiov, 0); /* Wake up the caller after the last rewrite */ @@ -462,8 +465,8 @@ static void GCC_FMT_ATTR(2, 3) quorum_err(QuorumAIOCB *acb, va_list ap; va_start(ap, fmt); - fprintf(stderr, "quorum: sector_num=%" PRId64 " nb_sectors=%d ", - acb->sector_num, acb->nb_sectors); + fprintf(stderr, "quorum: offset=%" PRIu64 " bytes=%" PRIu64 " ", + acb->offset, acb->bytes); vfprintf(stderr, fmt, ap); fprintf(stderr, "\n"); va_end(ap); @@ -481,9 +484,8 @@ static bool quorum_compare(QuorumAIOCB *acb, if (s->is_blkverify) { offset = qemu_iovec_compare(a, b); if (offset != -1) { - quorum_err(acb, "contents mismatch in sector %" PRId64, - acb->sector_num + - (uint64_t)(offset / BDRV_SECTOR_SIZE)); + quorum_err(acb, "contents mismatch at offset %" PRIu64, + acb->offset + offset); } return true; } @@ -612,9 +614,7 @@ static void read_quorum_children_entry(void *opaque) QuorumChildRequest *sacb = &acb->qcrs[i]; sacb->bs = s->children[i]->bs; - sacb->ret = bdrv_co_preadv(s->children[i], - acb->sector_num * BDRV_SECTOR_SIZE, - acb->nb_sectors * BDRV_SECTOR_SIZE, + sacb->ret = bdrv_co_preadv(s->children[i], acb->offset, acb->bytes, &acb->qcrs[i].qiov, 0); if (sacb->ret == 0) { @@ -683,19 +683,17 @@ static int read_fifo_child(QuorumAIOCB *acb) int ret; acb->qcrs[n].bs = s->children[n]->bs; - ret = bdrv_co_preadv(s->children[n], acb->sector_num * BDRV_SECTOR_SIZE, - acb->nb_sectors * BDRV_SECTOR_SIZE, acb->qiov, 0); + ret = bdrv_co_preadv(s->children[n], acb->offset, acb->bytes, acb->qiov, 0); ret = quorum_fifo_aio_cb(&acb->qcrs[n], ret); return ret; } -static int quorum_co_readv(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - QEMUIOVector *qiov) +static int quorum_co_preadv(BlockDriverState *bs, uint64_t offset, + uint64_t bytes, QEMUIOVector *qiov, int flags) { BDRVQuorumState *s = bs->opaque; - QuorumAIOCB *acb = quorum_aio_get(bs, qiov, sector_num, nb_sectors); + QuorumAIOCB *acb = quorum_aio_get(bs, qiov, offset, bytes); int ret; acb->is_read = true; @@ -720,9 +718,7 @@ static void write_quorum_entry(void *opaque) QuorumChildRequest *sacb = &acb->qcrs[i]; sacb->bs = s->children[i]->bs; - sacb->ret = bdrv_co_pwritev(s->children[i], - acb->sector_num * BDRV_SECTOR_SIZE, - acb->nb_sectors * BDRV_SECTOR_SIZE, + sacb->ret = bdrv_co_pwritev(s->children[i], acb->offset, acb->bytes, acb->qiov, 0); if (sacb->ret == 0) { acb->success_count++; @@ -739,12 +735,11 @@ static void write_quorum_entry(void *opaque) } } -static int quorum_co_writev(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - QEMUIOVector *qiov) +static int quorum_co_pwritev(BlockDriverState *bs, uint64_t offset, + uint64_t bytes, QEMUIOVector *qiov, int flags) { BDRVQuorumState *s = bs->opaque; - QuorumAIOCB *acb = quorum_aio_get(bs, qiov, sector_num, nb_sectors); + QuorumAIOCB *acb = quorum_aio_get(bs, qiov, offset, bytes); int i, ret; for (i = 0; i < s->num_children; i++) { @@ -811,7 +806,7 @@ static coroutine_fn int quorum_co_flush(BlockDriverState *bs) result = bdrv_co_flush(s->children[i]->bs); if (result) { quorum_report_bad(QUORUM_OP_TYPE_FLUSH, 0, - bdrv_nb_sectors(s->children[i]->bs), + bdrv_getlength(s->children[i]->bs), s->children[i]->bs->node_name, result); result_value.l = result; quorum_count_vote(&error_votes, &result_value, i); @@ -1144,8 +1139,8 @@ static BlockDriver bdrv_quorum = { .bdrv_getlength = quorum_getlength, - .bdrv_co_readv = quorum_co_readv, - .bdrv_co_writev = quorum_co_writev, + .bdrv_co_preadv = quorum_co_preadv, + .bdrv_co_pwritev = quorum_co_pwritev, .bdrv_add_child = quorum_add_child, .bdrv_del_child = quorum_del_child, |