[Qemu-devel] [PATCH] qcow2: remove unused qcow2_create_refcount_update function

[Qemu-devel] [PATCH] qcow2: remove unused qcow2_create_refcount_update function

[Frediano Ziglio]

Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
---
 block/qcow2-refcount.c |   18 ------------------
 block/qcow2.h          |    2 --
 2 files changed, 0 insertions(+), 20 deletions(-)

diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 2a915be..62946bb 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -680,24 +680,6 @@ void qcow2_free_any_clusters(BlockDriverState *bs,
 
 
 
-void qcow2_create_refcount_update(QCowCreateState *s, int64_t offset,
-    int64_t size)
-{
-    int refcount;
-    int64_t start, last, cluster_offset;
-    uint16_t *p;
-
-    start = offset & ~(s->cluster_size - 1);
-    last = (offset + size - 1)  & ~(s->cluster_size - 1);
-    for(cluster_offset = start; cluster_offset <= last;
-        cluster_offset += s->cluster_size) {
-        p = &s->refcount_block[cluster_offset >> s->cluster_bits];
-        refcount = be16_to_cpu(*p);
-        refcount++;
-        *p = cpu_to_be16(refcount);
-    }
-}
-
 /* update the refcounts of snapshots and the copied flag */
 int qcow2_update_snapshot_refcount(BlockDriverState *bs,
     int64_t l1_table_offset, int l1_size, int addend)
diff --git a/block/qcow2.h b/block/qcow2.h
index de23abe..c8ca3bc 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -189,8 +189,6 @@ void qcow2_free_clusters(BlockDriverState *bs,
 void qcow2_free_any_clusters(BlockDriverState *bs,
     uint64_t cluster_offset, int nb_clusters);
 
-void qcow2_create_refcount_update(QCowCreateState *s, int64_t offset,
-    int64_t size);
 int qcow2_update_snapshot_refcount(BlockDriverState *bs,
     int64_t l1_table_offset, int l1_size, int addend);
 
-- 
1.7.1