@@ -101,14 +101,23 @@ static int quorum_get_first_error(QuorumAIOCB *acb)
static void quorum_aio_finalize(QuorumAIOCB *acb)
{
BDRVQuorumState *s = acb->bqs;
- int ret;
+ int i, ret;
ret = s->threshold <= acb->success_count ? 0 : quorum_get_first_error(acb);
+ for (i = 0; i < s->total; i++) {
+ qemu_vfree(acb->aios[i].buf);
+ acb->aios[i].buf = NULL;
+ acb->aios[i].ret = 0;
+ }
+
acb->common.cb(acb->common.opaque, ret);
if (acb->finished) {
*acb->finished = true;
}
+ for (i = 0; acb->is_read && i < s->total; i++) {
+ qemu_iovec_destroy(&acb->aios[i].qiov);
+ }
g_free(acb->aios);
qemu_aio_release(acb);
}
@@ -164,6 +173,34 @@ static void quorum_aio_cb(void *opaque, int ret)
quorum_aio_finalize(acb);
}
+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;
+
+ acb->is_read = true;
+
+ for (i = 0; i < s->total; i++) {
+ acb->aios[i].buf = qemu_blockalign(bs->file, qiov->size);
+ qemu_iovec_init(&acb->aios[i].qiov, qiov->niov);
+ qemu_iovec_clone(&acb->aios[i].qiov, qiov, acb->aios[i].buf);
+ }
+
+ for (i = 0; i < s->total; 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,
@@ -191,6 +228,7 @@ static BlockDriver bdrv_quorum = {
.instance_size = sizeof(BDRVQuorumState),
+ .bdrv_aio_readv = quorum_aio_readv,
.bdrv_aio_writev = quorum_aio_writev,
};