md/raid5: refactor raid5 "run"
.. so that the code to create the private data structures is separate.
This will help with future code to change the level of an active
array.
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 84456b1..c172371 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -386,6 +386,11 @@
int pool_size; /* number of disks in stripeheads in pool */
spinlock_t device_lock;
struct disk_info *disks;
+
+ /* When taking over an array from a different personality, we store
+ * the new thread here until we fully activate the array.
+ */
+ struct mdk_thread_s *thread;
};
typedef struct raid5_private_data raid5_conf_t;