diff options
| author | Alberto Garcia <berto@igalia.com> | 2016-03-15 11:41:35 +0200 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2016-03-17 16:43:30 +0100 |
| commit | 6049490df4e1d89e239b7d9908b3f3213f73bdc5 (patch) | |
| tree | 8a59673e6d816bebaa5701f77a75ce5e2a1d5423 /block/quorum.c | |
| parent | 8896e08814a99ad9e3f25ad1fd0b51721c3baa77 (diff) | |
| download | qemu-6049490df4e1d89e239b7d9908b3f3213f73bdc5.zip qemu-6049490df4e1d89e239b7d9908b3f3213f73bdc5.tar.gz qemu-6049490df4e1d89e239b7d9908b3f3213f73bdc5.tar.bz2 | |
quorum: Emit QUORUM_REPORT_BAD for reads in fifo mode
If there's an I/O error in one of Quorum children then QEMU
should emit QUORUM_REPORT_BAD. However this is not working with
read-pattern=fifo. This patch fixes this problem.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: d57e39e8d3e8564003a1e2aadbd29c97286eb2d2.1458034554.git.berto@igalia.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/quorum.c')
| -rw-r--r-- | block/quorum.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/block/quorum.c b/block/quorum.c index 3d47351..da15465 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -284,9 +284,17 @@ static void quorum_aio_cb(void *opaque, int ret) QuorumChildRequest *sacb = opaque; QuorumAIOCB *acb = sacb->parent; BDRVQuorumState *s = acb->common.bs->opaque; - QuorumOpType type; bool rewrite = false; + if (ret == 0) { + acb->success_count++; + } else { + QuorumOpType type; + type = acb->is_read ? QUORUM_OP_TYPE_READ : QUORUM_OP_TYPE_WRITE; + quorum_report_bad(type, acb->sector_num, acb->nb_sectors, + sacb->aiocb->bs->node_name, ret); + } + if (acb->is_read && s->read_pattern == QUORUM_READ_PATTERN_FIFO) { /* We try to read next child in FIFO order if we fail to read */ if (ret < 0 && (acb->child_iter + 1) < s->num_children) { @@ -303,15 +311,8 @@ static void quorum_aio_cb(void *opaque, int ret) return; } - type = acb->is_read ? QUORUM_OP_TYPE_READ : QUORUM_OP_TYPE_WRITE; sacb->ret = ret; acb->count++; - if (ret == 0) { - acb->success_count++; - } else { - quorum_report_bad(type, acb->sector_num, acb->nb_sectors, - sacb->aiocb->bs->node_name, ret); - } assert(acb->count <= s->num_children); assert(acb->success_count <= s->num_children); if (acb->count < s->num_children) { |