Signed-off-by: Benoit Canet <ben...@irqsave.net> --- block/quorum.c | 35 ++++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/block/quorum.c b/block/quorum.c index 86962b4..8b449fb 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -190,10 +190,16 @@ static void quorum_aio_bh(void *opaque) { QuorumAIOCB *acb = opaque; BDRVQuorumState *s = acb->bqs; - int ret; + int i, ret; ret = s->n <= acb->success_count ? 0 : -EIO; + for (i = 0; i < s->m; i++) { + qemu_vfree(acb->aios[i].buf); + acb->aios[i].buf = NULL; + acb->aios[i].ret = 0; + } + qemu_bh_delete(acb->bh); acb->common.cb(acb->common.opaque, ret); if (acb->finished) { @@ -258,6 +264,32 @@ static void quorum_aio_cb(void *opaque, int ret) qemu_bh_schedule(acb->bh); } +static BlockDriverAIOCB *quorum_aio_readv(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BlockDriverCompletionFunc *cb, + void *opaque) +{ + BDRVQuorumState *s = bs->opaque; + QuorumAIOCB *acb = quorum_aio_get(s, bs, qiov, sector_num, + nb_sectors, cb, opaque); + int i; + + for (i = 0; i < s->m; i++) { + acb->aios[i].buf = qemu_blockalign(bs->file, qiov->size); + qemu_iovec_init(&acb->qiovs[i], qiov->niov); + qemu_iovec_clone(&acb->qiovs[i], qiov, acb->aios[i].buf); + } + + for (i = 0; i < s->m; i++) { + bdrv_aio_readv(s->bs[i], sector_num, qiov, nb_sectors, + quorum_aio_cb, &acb->aios[i]); + } + + return &acb->common; +} + static BlockDriverAIOCB *quorum_aio_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, @@ -306,6 +338,7 @@ static BlockDriver bdrv_quorum = { .bdrv_close = quorum_close, .bdrv_co_flush_to_disk = quorum_co_flush, + .bdrv_aio_readv = quorum_aio_readv, .bdrv_aio_writev = quorum_aio_writev, }; -- 1.7.9.5