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quorum: Add quorum_invalidate_cache().

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We really want that live migration works with quorum so implement
quorum_invalidate_cache().

Signed-off-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Benoît Canet 2014-02-21 22:21:17 +01:00 • committed by Kevin Wolf
parent d55dee2044
commit a28e4c408b
1 changed files with 11 additions and 0 deletions
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11
block/quorum.c
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@ -619,6 +619,16 @@ static int64_t quorum_getlength(BlockDriverState *bs)
return result; 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 = { static BlockDriver bdrv_quorum = {
.format_name = "quorum", .format_name = "quorum",
.protocol_name = "quorum", .protocol_name = "quorum",
@ -629,6 +639,7 @@ static BlockDriver bdrv_quorum = {
.bdrv_aio_readv = quorum_aio_readv, .bdrv_aio_readv = quorum_aio_readv,
.bdrv_aio_writev = quorum_aio_writev, .bdrv_aio_writev = quorum_aio_writev,
.bdrv_invalidate_cache = quorum_invalidate_cache,
}; };
static void bdrv_quorum_init(void) static void bdrv_quorum_init(void)