From patchwork Wed Jan 2 16:16:25 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [RFC,V4,22/30] qcow2: Adapt checking of QCOW_OFLAG_COPIED for dedup. Date: Wed, 02 Jan 2013 06:16:25 -0000 From: =?utf-8?q?Beno=C3=AEt_Canet?= X-Patchwork-Id: 209079 Message-Id: <1357143393-29832-23-git-send-email-benoit@irqsave.net> To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= , stefanha@redhat.com Signed-off-by: Benoit Canet --- 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 7e6d02f..9aef608 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -1001,7 +1001,14 @@ 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++;