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| author | Jonathan Brassow <jbrassow@redhat.com> | 2009-04-02 19:55:32 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-04-02 19:55:32 +0100 |
| commit | d0216849519bec8dc96301a3cd80316e71243839 (patch) | |
| tree | 06e7f1d2028e784213e17f1a8ea1abae9ffb0ab9 /drivers/md/dm-exception-store.h | |
| parent | 0cea9c78270cdf1d2ad74ce0e083d5555a0842e8 (diff) | |
| download | linux-d0216849519bec8dc96301a3cd80316e71243839.tar.bz2 | |
dm exception store: move chunk_fields
Move chunk fields from snapshot to exception store.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-exception-store.h')
| -rw-r--r-- | drivers/md/dm-exception-store.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 4b7f7d441f5f..449a1e48f7aa 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -99,6 +99,11 @@ struct dm_exception_store { struct dm_snapshot *snap; + /* Size of data blocks saved - must be a power of 2 */ + chunk_t chunk_size; + chunk_t chunk_mask; + chunk_t chunk_shift; + void *context; }; @@ -149,6 +154,8 @@ int dm_exception_store_type_register(struct dm_exception_store_type *type); int dm_exception_store_type_unregister(struct dm_exception_store_type *type); int dm_exception_store_create(const char *type_name, struct dm_target *ti, + chunk_t chunk_size, chunk_t chunk_mask, + chunk_t chunk_shift, struct dm_exception_store **store); void dm_exception_store_destroy(struct dm_exception_store *store); |