qcow2: remove unused qcow2_create_refcount_update function

Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Frediano Ziglio 2011-08-25 09:29:32 +02:00 committed by Kevin Wolf
parent 35ee5e39c5
commit 2f4b759367
2 changed files with 0 additions and 20 deletions

View File

@ -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)

View File

@ -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);