dm cache: move config fns

Move process_config_option() in dm-cache-target.c to make the
next patch more readable.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>

diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 2f3348c76267c879aba2a5a0b67d45eb67cf99cd..5159e25ea08222c6a264d4f926fb930f188411fb 100644 (file)
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -1811,6 +1811,23 @@ static int parse_cache_args(struct cache_args *ca, int argc, char **argv,
 
 static struct kmem_cache *migration_cache;
 
+#define NOT_CORE_OPTION 1
+
+static int process_config_option(struct cache *cache, char **argv)
+{
+       unsigned long tmp;
+
+       if (!strcasecmp(argv[0], "migration_threshold")) {
+               if (kstrtoul(argv[1], 10, &tmp))
+                       return -EINVAL;
+
+               cache->migration_threshold = tmp;
+               return 0;
+       }
+
+       return NOT_CORE_OPTION;
+}
+
 static int set_config_values(struct dm_cache_policy *p, int argc, const char **argv)
 {
        int r = 0;
@@ -2520,23 +2537,6 @@ err:
        DMEMIT("Error");
 }
 
-#define NOT_CORE_OPTION 1
-
-static int process_config_option(struct cache *cache, char **argv)
-{
-       unsigned long tmp;
-
-       if (!strcasecmp(argv[0], "migration_threshold")) {
-               if (kstrtoul(argv[1], 10, &tmp))
-                       return -EINVAL;
-
-               cache->migration_threshold = tmp;
-               return 0;
-       }
-
-       return NOT_CORE_OPTION;
-}
-
 /*
  * Supports <key> <value>.
  *