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qed: add bdrv_invalidate_cache to be called after incoming live migration 

The QED image is reopened to flush metadata and check consistency.

Signed-off-by: Benoit Canet <benoit.canet@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Benoît Canet 2012-03-23 08:36:51 +01:00 committed by Kevin Wolf
parent ed9d4205ce
commit c82954e529
1 changed files with 10 additions and 0 deletions
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10
block/qed.c
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@ -1510,6 +1510,15 @@ static int bdrv_qed_change_backing_file(BlockDriverState *bs,
return ret;
}
static void bdrv_qed_invalidate_cache(BlockDriverState *bs)
{
BDRVQEDState *s = bs->opaque;
bdrv_qed_close(bs);
memset(s, 0, sizeof(BDRVQEDState));
bdrv_qed_open(bs, bs->open_flags);
}
static int bdrv_qed_check(BlockDriverState *bs, BdrvCheckResult *result)
{
BDRVQEDState *s = bs->opaque;
@ -1561,6 +1570,7 @@ static BlockDriver bdrv_qed = {
.bdrv_getlength = bdrv_qed_getlength,
.bdrv_get_info = bdrv_qed_get_info,
.bdrv_change_backing_file = bdrv_qed_change_backing_file,
.bdrv_invalidate_cache = bdrv_qed_invalidate_cache,
.bdrv_check = bdrv_qed_check,
};