Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / md / dm-cache-policy.h

diff --git a/drivers/md/dm-cache-policy.h b/drivers/md/dm-cache-policy.h
index 052c00a..f50fe36 100644 (file)
--- 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.