diff options
Diffstat (limited to 'drivers/md/dm-cache-policy.h')
| -rw-r--r-- | drivers/md/dm-cache-policy.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/dm-cache-policy.h b/drivers/md/dm-cache-policy.h index 052c00a84a5c..f50fe360c546 100644 --- a/drivers/md/dm-cache-policy.h +++ b/drivers/md/dm-cache-policy.h @@ -223,6 +223,12 @@ struct dm_cache_policy_type { unsigned version[CACHE_POLICY_VERSION_SIZE]; /* + * For use by an alias dm_cache_policy_type to point to the + * real dm_cache_policy_type. + */ + struct dm_cache_policy_type *real; + + /* * Policies may store a hint for each each cache block. * Currently the size of this hint must be 0 or 4 bytes but we * expect to relax this in future. |