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| author | Fam Zheng <famz@redhat.com> | 2016-09-28 15:04:21 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2016-10-24 17:54:03 +0200 |
| commit | 170f4b2e5cf43895399f57ca4287f26c713be654 (patch) | |
| tree | 2d944a6be32df15e1cd137cc443f200602ae4aa7 /block/qcow2.h | |
| parent | e84a0dd5a75d8e89bec05fac432941988191df32 (diff) | |
qcow2: Support BDRV_REQ_MAY_UNMAP
Handling this is similar to what is done to the L2 entry in the case of
compressed clusters.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2.h')
| -rw-r--r-- | block/qcow2.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/qcow2.h b/block/qcow2.h index 9ce5a37d3a..92203a8b8c 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -547,7 +547,8 @@ uint64_t qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs, int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m); int qcow2_discard_clusters(BlockDriverState *bs, uint64_t offset, int nb_sectors, enum qcow2_discard_type type, bool full_discard); -int qcow2_zero_clusters(BlockDriverState *bs, uint64_t offset, int nb_sectors); +int qcow2_zero_clusters(BlockDriverState *bs, uint64_t offset, int nb_sectors, + int flags); int qcow2_expand_zero_clusters(BlockDriverState *bs, BlockDriverAmendStatusCB *status_cb, |