Merge branches 'devel-stable', 'entry', 'fixes', 'mach-types', 'misc' and 'smp-hotplu...

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / md / dm-cache-policy.h

diff --git a/drivers/md/dm-cache-policy.h b/drivers/md/dm-cache-policy.h
index f0f51b260544decc116a193fc2a2a45ede286a78..558bdfdabf5f2da39e5bef487dc5008a2399b659 100644 (file)
--- a/drivers/md/dm-cache-policy.h
+++ b/drivers/md/dm-cache-policy.h
@@ -196,6 +196,7 @@ struct dm_cache_policy {
  * We maintain a little register of the different policy types.
  */
 #define CACHE_POLICY_NAME_SIZE 16
+#define CACHE_POLICY_VERSION_SIZE 3
 
 struct dm_cache_policy_type {
        /* For use by the register code only. */
@@ -206,6 +207,7 @@ struct dm_cache_policy_type {
         * what gets passed on the target line to select your policy.
         */
        char name[CACHE_POLICY_NAME_SIZE];
+       unsigned version[CACHE_POLICY_VERSION_SIZE];
 
        /*
         * Policies may store a hint for each each cache block.