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Diffstat (limited to 'block')
-rw-r--r--block/qcow2.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 2da62b8a90..99a1ad13e6 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1689,26 +1689,6 @@ static int qcow2_create(const char *filename, QEMUOptionParameter *options,
return ret;
}
-static int qcow2_make_empty(BlockDriverState *bs)
-{
-#if 0
- /* XXX: not correct */
- BDRVQcowState *s = bs->opaque;
- uint32_t l1_length = s->l1_size * sizeof(uint64_t);
- int ret;
-
- memset(s->l1_table, 0, l1_length);
- if (bdrv_pwrite(bs->file, s->l1_table_offset, s->l1_table, l1_length) < 0)
- return -1;
- ret = bdrv_truncate(bs->file, s->l1_table_offset + l1_length);
- if (ret < 0)
- return ret;
-
- l2_cache_reset(bs);
-#endif
- return 0;
-}
-
static coroutine_fn int qcow2_co_write_zeroes(BlockDriverState *bs,
int64_t sector_num, int nb_sectors, BdrvRequestFlags flags)
{
@@ -2252,7 +2232,6 @@ static BlockDriver bdrv_qcow2 = {
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_get_block_status = qcow2_co_get_block_status,
.bdrv_set_key = qcow2_set_key,
- .bdrv_make_empty = qcow2_make_empty,
.bdrv_co_readv = qcow2_co_readv,
.bdrv_co_writev = qcow2_co_writev,