From: Benoît Canet <ben...@irqsave.net>
We really want that live migration works with quorum so implement
quorum_invalidate_cache().
Signed-off-by: Benoit Canet <ben...@irqsave.net>
Reviewed-by: Max Reitz <mre...@redhat.com>
---
block/quorum.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/block/quorum.c b/block/quorum.c
index c6ea862..38bc217 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -619,6 +619,16 @@ static int64_t quorum_getlength(BlockDriverState *bs)
return result;
}
+static void quorum_invalidate_cache(BlockDriverState *bs)
+{
+ BDRVQuorumState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_children; i++) {
+ bdrv_invalidate_cache(s->bs[i]);
+ }
+}
+
static BlockDriver bdrv_quorum = {
.format_name = "quorum",
.protocol_name = "quorum",
@@ -629,6 +639,7 @@ static BlockDriver bdrv_quorum = {
.bdrv_aio_readv = quorum_aio_readv,
.bdrv_aio_writev = quorum_aio_writev,
+ .bdrv_invalidate_cache = quorum_invalidate_cache,
};
static void bdrv_quorum_init(void)
--
1.8.3.2
