diff options
Diffstat (limited to 'block/qcow.c')
-rw-r--r-- | block/qcow.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/block/qcow.c b/block/qcow.c index 0d76656a04..93a993bb44 100644 --- a/block/qcow.c +++ b/block/qcow.c @@ -410,7 +410,14 @@ static int64_t coroutine_fn qcow_co_get_block_status(BlockDriverState *bs, if (n > nb_sectors) n = nb_sectors; *pnum = n; - return (cluster_offset != 0); + if (!cluster_offset) { + return 0; + } + if ((cluster_offset & QCOW_OFLAG_COMPRESSED) || s->crypt_method) { + return BDRV_BLOCK_DATA; + } + cluster_offset |= (index_in_cluster << BDRV_SECTOR_BITS); + return BDRV_BLOCK_DATA | BDRV_BLOCK_OFFSET_VALID | cluster_offset; } static int decompress_buffer(uint8_t *out_buf, int out_buf_size, |