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qcow2: COMPRESSED on count_contiguous_clusters
authorMax Reitz <mreitz@redhat.com>
Fri, 27 Sep 2013 10:14:16 +0000 (12:14 +0200)
committerKevin Wolf <kwolf@redhat.com>
Fri, 27 Sep 2013 15:22:43 +0000 (17:22 +0200)
Compressed clusters can never be contiguous, therefore the corresponding
flag does not need to be given explicitly to count_contiguous_clusters.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
block/qcow2-cluster.c

index 8b2361a..f93960f 100644 (file)
@@ -493,8 +493,7 @@ int qcow2_get_cluster_offset(BlockDriverState *bs, uint64_t offset,
             return -EIO;
         }
         c = count_contiguous_clusters(nb_clusters, s->cluster_size,
-                &l2_table[l2_index], 0,
-                QCOW_OFLAG_COMPRESSED | QCOW_OFLAG_ZERO);
+                &l2_table[l2_index], 0, QCOW_OFLAG_ZERO);
         *cluster_offset = 0;
         break;
     case QCOW2_CLUSTER_UNALLOCATED:
@@ -505,8 +504,7 @@ int qcow2_get_cluster_offset(BlockDriverState *bs, uint64_t offset,
     case QCOW2_CLUSTER_NORMAL:
         /* how many allocated clusters ? */
         c = count_contiguous_clusters(nb_clusters, s->cluster_size,
-                &l2_table[l2_index], 0,
-                QCOW_OFLAG_COMPRESSED | QCOW_OFLAG_ZERO);
+                &l2_table[l2_index], 0, QCOW_OFLAG_ZERO);
         *cluster_offset &= L2E_OFFSET_MASK;
         break;
     default: