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[Qemu-devel] [RFC V5 10/11] quorum: Add quorum_invalidate_cache().


From: Benoît Canet
Subject: [Qemu-devel] [RFC V5 10/11] quorum: Add quorum_invalidate_cache().
Date: Mon, 27 Aug 2012 09:30:28 +0200

Signed-off-by: Benoit Canet <address@hidden>
---
 block/quorum.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/block/quorum.c b/block/quorum.c
index 09eed84..c9dcd9c 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -571,6 +571,16 @@ static int64_t quorum_getlength(BlockDriverState *bs)
     return value;
 }
 
+static void quorum_invalidate_cache(BlockDriverState *bs)
+{
+    BDRVQuorumState *s = bs->opaque;
+    int i;
+
+    for (i = 0; i < s->total; i++) {
+        bdrv_invalidate_cache(s->bs[i]);
+    }
+}
+
 static BlockDriver bdrv_quorum = {
     .format_name        = "quorum",
     .protocol_name      = "quorum",
@@ -585,6 +595,7 @@ 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)
-- 
1.7.9.5




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