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md/raid5: Fix CPU hotplug callback registration
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
md
/
dm-cache-policy.c
diff --git
a/drivers/md/dm-cache-policy.c
b/drivers/md/dm-cache-policy.c
index d80057968407ee550627d08bb5d76399df798d78..c1a3cee99b44584f893dcd0835e183a38c949f4e 100644
(file)
--- a/
drivers/md/dm-cache-policy.c
+++ b/
drivers/md/dm-cache-policy.c
@@
-146,6
+146,10
@@
const char *dm_cache_policy_get_name(struct dm_cache_policy *p)
{
struct dm_cache_policy_type *t = p->private;
+ /* if t->real is set then an alias was used (e.g. "default") */
+ if (t->real)
+ return t->real->name;
+
return t->name;
}
EXPORT_SYMBOL_GPL(dm_cache_policy_get_name);