qemu-block
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-block] [PULL 04/11] qcow2-refcount: check_refcounts_l2: don't coun


From: Max Reitz
Subject: [Qemu-block] [PULL 04/11] qcow2-refcount: check_refcounts_l2: don't count fixed cluster as allocated
Date: Tue, 7 May 2019 17:18:12 +0200

From: Vladimir Sementsov-Ogievskiy <address@hidden>

Do not count a cluster which is fixed to be ZERO as allocated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Message-id: address@hidden
Signed-off-by: Max Reitz <address@hidden>
---
 block/qcow2-refcount.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 1ac2b0490d..6851807ffc 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -1660,15 +1660,6 @@ static int check_refcounts_l2(BlockDriverState *bs, 
BdrvCheckResult *res,
         {
             uint64_t offset = l2_entry & L2E_OFFSET_MASK;
 
-            if (flags & CHECK_FRAG_INFO) {
-                res->bfi.allocated_clusters++;
-                if (next_contiguous_offset &&
-                    offset != next_contiguous_offset) {
-                    res->bfi.fragmented_clusters++;
-                }
-                next_contiguous_offset = offset + s->cluster_size;
-            }
-
             /* Correct offsets are cluster aligned */
             if (offset_into_cluster(s, offset)) {
                 if (qcow2_get_cluster_type(bs, l2_entry) ==
@@ -1721,6 +1712,15 @@ static int check_refcounts_l2(BlockDriverState *bs, 
BdrvCheckResult *res,
                 }
             }
 
+            if (flags & CHECK_FRAG_INFO) {
+                res->bfi.allocated_clusters++;
+                if (next_contiguous_offset &&
+                    offset != next_contiguous_offset) {
+                    res->bfi.fragmented_clusters++;
+                }
+                next_contiguous_offset = offset + s->cluster_size;
+            }
+
             /* Mark cluster as used */
             if (!has_data_file(bs)) {
                 ret = qcow2_inc_refcounts_imrt(bs, res, refcount_table,
-- 
2.20.1




reply via email to

[Prev in Thread] Current Thread [Next in Thread]