diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 49bf7b9d3d..dbe4fdd44d 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1084,6 +1084,13 @@ static int qcow2_make_empty(BlockDriverState *bs) return 0; } +static int qcow2_discard(BlockDriverState *bs, int64_t sector_num, + int nb_sectors) +{ + return qcow2_discard_clusters(bs, sector_num << BDRV_SECTOR_BITS, + nb_sectors); +} + static int qcow2_truncate(BlockDriverState *bs, int64_t offset) { BDRVQcowState *s = bs->opaque; @@ -1349,6 +1356,7 @@ static BlockDriver bdrv_qcow2 = { .bdrv_aio_writev = qcow2_aio_writev, .bdrv_aio_flush = qcow2_aio_flush, + .bdrv_discard = qcow2_discard, .bdrv_truncate = qcow2_truncate, .bdrv_write_compressed = qcow2_write_compressed, |