diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2009-05-28 16:07:06 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-06-16 15:18:36 -0500 |
| commit | c142442b06c51df60d000145d18af60ae5f0ac1c (patch) | |
| tree | 0d23258a73f4e8a46cb6fa3c0c7c3469649b4d41 /block/qcow2.h | |
| parent | 45aba42fba7ae2a768606e08cece87a4aed987a6 (diff) | |
qcow2: Split out snapshot functions
qcow2-snapshot.c contains the code related to snapshotting.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'block/qcow2.h')
| -rw-r--r-- | block/qcow2.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/block/qcow2.h b/block/qcow2.h index 367d9bdbb5..397f21d3b3 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -138,6 +138,13 @@ static inline int size_to_clusters(BDRVQcowState *s, int64_t size) return (size + (s->cluster_size - 1)) >> s->cluster_bits; } +static inline int64_t align_offset(int64_t offset, int n) +{ + offset = (offset + n - 1) & ~(n - 1); + return offset; +} + + // FIXME Need qcow2_ prefix to global functions /* qcow2.c functions */ @@ -184,4 +191,13 @@ uint64_t alloc_compressed_cluster_offset(BlockDriverState *bs, int alloc_cluster_link_l2(BlockDriverState *bs, uint64_t cluster_offset, QCowL2Meta *m); +/* qcow2-snapshot.c functions */ +int qcow_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info); +int qcow_snapshot_goto(BlockDriverState *bs, const char *snapshot_id); +int qcow_snapshot_delete(BlockDriverState *bs, const char *snapshot_id); +int qcow_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab); + +void qcow_free_snapshots(BlockDriverState *bs); +int qcow_read_snapshots(BlockDriverState *bs); + #endif |