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[Qemu-devel] [PATCH V16 08/12] quorum: Add quorum_invalidate_cache().
From: |
Benoît Canet |
Subject: |
[Qemu-devel] [PATCH V16 08/12] quorum: Add quorum_invalidate_cache(). |
Date: |
Tue, 11 Feb 2014 15:45:15 +0100 |
From: Benoît Canet <address@hidden>
We really want that live migration works with quorum so implement
quorum_invalidate_cache().
Signed-off-by: Benoit Canet <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
---
block/quorum.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/block/quorum.c b/block/quorum.c
index c066f08..b8e21ff 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -624,6 +624,16 @@ 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",
@@ -634,6 +644,7 @@ 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
- [Qemu-devel] [PATCH V16 00/12] Quorum block filter, Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 02/12] quorum: Create BDRVQuorumState and BlkDriver and do init., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 01/12] quorum: Create quorum.c, add QuorumChildRequest and QuorumAIOCB., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 07/12] quorum: Add quorum_getlength()., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 03/12] quorum: Add quorum_aio_writev and its dependencies., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 11/12] quorum: Add quorum_open() and quorum_close()., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 08/12] quorum: Add quorum_invalidate_cache().,
Benoît Canet <=
- [Qemu-devel] [PATCH V16 09/12] quorum: Add quorum_co_flush()., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 12/12] quorum: Add unit test., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 05/12] quorum: Add quorum_aio_readv., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 10/12] quorum: Implement recursive .bdrv_recurse_is_first_non_filter in quorum., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 04/12] blkverify: Extract qemu_iovec_clone() and qemu_iovec_compare() from blkverify., Benoît Canet, 2014/02/11
- [Qemu-devel] [PATCH V16 06/12] quorum: Add quorum mechanism., Benoît Canet, 2014/02/11