[Qemu-devel] [RFC V3 7/9] quorum: Add quorum_co_flush().

["Benoît Canet" <benoit.canet@gmail.com>]

Signed-off-by: Benoit Canet <benoit@irqsave.net>
---
 block/quorum.c |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/block/quorum.c b/block/quorum.c
index 0a6647f..86962b4 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -279,6 +279,21 @@ static BlockDriverAIOCB *quorum_aio_writev(BlockDriverState *bs,
     return &acb->common;
 }
 
+static coroutine_fn int quorum_co_flush(BlockDriverState *bs)
+{
+    BDRVQuorumState *s = bs->opaque;
+    int i, ret = 0;
+
+    for (i = 0; i < s->m; i++) {
+        ret = bdrv_co_flush(s->bs[i]);
+        if (ret < 0) {
+            return ret;
+        }
+    }
+
+    return ret;
+}
+
 static BlockDriver bdrv_quorum = {
     .format_name        = "quorum",
     .protocol_name      = "quorum",
@@ -289,6 +304,7 @@ static BlockDriver bdrv_quorum = {
 
     .bdrv_file_open     = quorum_open,
     .bdrv_close         = quorum_close,
+    .bdrv_co_flush_to_disk = quorum_co_flush,
 
     .bdrv_aio_writev    = quorum_aio_writev,
 };
-- 
1.7.9.5