From: "Benoît Canet" <benoit@irqsave.net>
To: qemu-devel@nongnu.org
Cc: kwolf@redhat.com, pbonzini@redhat.com,
"Benoît Canet" <benoit@irqsave.net>,
stefanha@redhat.com
Subject: [Qemu-devel] [RFC V4 22/30] qcow2: Adapt checking of QCOW_OFLAG_COPIED for dedup.
Date: Wed, 2 Jan 2013 17:16:25 +0100 [thread overview]
Message-ID: <1357143393-29832-23-git-send-email-benoit@irqsave.net> (raw)
In-Reply-To: <1357143393-29832-1-git-send-email-benoit@irqsave.net>
Signed-off-by: Benoit Canet <benoit@irqsave.net>
---
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++;
--
1.7.10.4
next prev parent reply other threads:[~2013-01-02 16:18 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-02 16:16 [Qemu-devel] [RFC V4 00/30] QCOW2 deduplication Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 01/30] qcow2: Add deduplication to the qcow2 specification Benoît Canet
2013-01-03 18:18 ` Eric Blake
2013-01-04 14:49 ` Benoît Canet
2013-01-16 14:50 ` Benoît Canet
2013-01-16 15:58 ` Eric Blake
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 02/30] qcow2: Add deduplication structures and fields Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 03/30] qcow2: Add qcow2_dedup_read_missing_and_concatenate Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 04/30] qcow2: Make update_refcount public Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 05/30] qcow2: Create a way to link to l2 tables when deduplicating Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 06/30] qcow2: Add qcow2_dedup and related functions Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 07/30] qcow2: Add qcow2_dedup_store_new_hashes Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 08/30] qcow2: Implement qcow2_compute_cluster_hash Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 09/30] qcow2: Extract qcow2_dedup_grow_table Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 10/30] qcow2: Add qcow2_dedup_grow_table and use it Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 11/30] qcow2: create function to load deduplication hashes at startup Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 12/30] qcow2: Load and save deduplication table header extension Benoît Canet
2013-01-05 0:02 ` Eric Blake
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 13/30] qcow2: Extract qcow2_do_table_init Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 14/30] qcow2-cache: Allow to choose table size at creation Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 15/30] qcow2: Add qcow2_dedup_init and qcow2_dedup_close Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 16/30] qcow2: Extract qcow2_add_feature and qcow2_remove_feature Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 17/30] block: Add qemu-img dedup create option Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 18/30] qcow2: Behave correctly when refcount reach 0 or 2^16 Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 19/30] qcow2: Integrate deduplication in qcow2_co_writev loop Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 20/30] qcow2: Serialize write requests when deduplication is activated Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 21/30] qcow2: Add verification of dedup table Benoît Canet
2013-01-02 16:16 ` Benoît Canet [this message]
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 23/30] qcow2: Add check_dedup_l2 in order to check l2 " Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 24/30] qcow2: Do not overwrite existing entries with QCOW_OFLAG_COPIED Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 25/30] qcow2: Integrate SKEIN hash algorithm in deduplication Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 26/30] qcow2: Add lazy refcounts to deduplication to prevent qcow2_cache_set_dependency loops Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 27/30] qcow2: Use large L2 table for deduplication Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 28/30] qcow: Set dedup cluster block size to 64KB Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 29/30] qcow2: init and cleanup deduplication Benoît Canet
2013-01-02 16:16 ` [Qemu-devel] [RFC V4 30/30] qemu-iotests: Filter dedup=on/off so existing tests don't break Benoît Canet
2013-01-02 16:42 ` Eric Blake
2013-01-02 16:50 ` Benoît Canet
2013-01-02 17:10 ` [Qemu-devel] [RFC V4 00/30] QCOW2 deduplication Troy Benjegerdes
2013-01-02 17:33 ` Benoît Canet
2013-01-02 18:01 ` Eric Blake
2013-01-02 18:16 ` Benoît Canet
2013-01-02 18:26 ` Troy Benjegerdes
2013-01-02 18:40 ` Benoît Canet
2013-01-02 18:47 ` ronnie sahlberg
2013-01-02 18:55 ` Benoît Canet
2013-01-02 19:18 ` Troy Benjegerdes
2013-01-03 2:16 ` ronnie sahlberg
2013-01-03 12:39 ` Stefan Hajnoczi
2013-01-03 19:51 ` Troy Benjegerdes
2013-01-04 7:09 ` Dietmar Maurer
2013-01-04 9:49 ` Stefan Hajnoczi
2013-01-03 17:18 ` Benoît Canet
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