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[Qemu-devel] [RFC V6 27/33] qcow2: Adapt checking of QCOW_OFLAG_COPIED f
From: |
Benoît Canet |
Subject: |
[Qemu-devel] [RFC V6 27/33] qcow2: Adapt checking of QCOW_OFLAG_COPIED for dedup. |
Date: |
Wed, 6 Feb 2013 13:32:00 +0100 |
Signed-off-by: Benoit Canet <address@hidden>
---
block/qcow2-refcount.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index d7d9339..ee5de6b 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -999,7 +999,14 @@ static int check_refcounts_l2(BlockDriverState *bs,
BdrvCheckResult *res,
PRIx64 ": %s\n", l2_entry, strerror(-refcount));
goto fail;
}
- if ((refcount == 1) != ((l2_entry & QCOW_OFLAG_COPIED) != 0)) {
+ if (!s->has_dedup &&
+ (refcount == 1) != ((l2_entry & QCOW_OFLAG_COPIED) != 0)) {
+ fprintf(stderr, "ERROR OFLAG_COPIED: offset=%"
+ PRIx64 " refcount=%d\n", l2_entry, refcount);
+ res->corruptions++;
+ }
+ if (s->has_dedup && refcount > 1 &&
+ ((l2_entry & QCOW_OFLAG_COPIED) != 0)) {
fprintf(stderr, "ERROR OFLAG_COPIED: offset=%"
PRIx64 " refcount=%d\n", l2_entry, refcount);
res->corruptions++;
--
1.7.10.4
[Qemu-devel] [RFC V6 07/33] qcow2: Add qcow2_dedup and related functions, Benoît Canet, 2013/02/06
[Qemu-devel] [RFC V6 13/33] qcow2: make the deduplication forget a cluster hash when a cluster is to dedupe, Benoît Canet, 2013/02/06