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Diffstat (limited to 'block/qcow2.c')
-rw-r--r--block/qcow2.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index d507ee0686..3ace3b2209 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2723,6 +2723,7 @@ static int qcow2_set_up_encryption(BlockDriverState *bs,
static int coroutine_fn preallocate_co(BlockDriverState *bs, uint64_t offset,
uint64_t new_length)
{
+ BDRVQcow2State *s = bs->opaque;
uint64_t bytes;
uint64_t host_offset = 0;
unsigned int cur_bytes;
@@ -2771,7 +2772,7 @@ static int coroutine_fn preallocate_co(BlockDriverState *bs, uint64_t offset,
*/
if (host_offset != 0) {
uint8_t data = 0;
- ret = bdrv_pwrite(bs->file, (host_offset + cur_bytes) - 1,
+ ret = bdrv_pwrite(s->data_file, (host_offset + cur_bytes) - 1,
&data, 1);
if (ret < 0) {
return ret;