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| author | Jonathan Brassow <jbrassow@redhat.com> | 2009-04-02 19:55:33 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-04-02 19:55:33 +0100 |
| commit | 49beb2b87a972a994ff77633234ca3bf0d30a1d8 (patch) | |
| tree | 4b281ebd48624d0fbe74b93fa72baa834211ca2f /drivers/md/dm-exception-store.h | |
| parent | d0216849519bec8dc96301a3cd80316e71243839 (diff) | |
| download | linux-49beb2b87a972a994ff77633234ca3bf0d30a1d8.tar.gz linux-49beb2b87a972a994ff77633234ca3bf0d30a1d8.tar.bz2 linux-49beb2b87a972a994ff77633234ca3bf0d30a1d8.zip | |
dm exception store: move cow pointer
Move COW device 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 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 449a1e48f7aa..4dbf3577408e 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -99,6 +99,8 @@ struct dm_exception_store { struct dm_snapshot *snap; + struct dm_dev *cow; + /* Size of data blocks saved - must be a power of 2 */ chunk_t chunk_size; chunk_t chunk_mask; @@ -155,7 +157,7 @@ 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, + chunk_t chunk_shift, struct dm_dev *cow, struct dm_exception_store **store); void dm_exception_store_destroy(struct dm_exception_store *store); |