MD: change the parameter of md thread

Change the thread parameter, so the thread can carry extra info. Next patch
will use it.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 7a2b0793f66e..8e842b326ebd 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6641,7 +6641,7 @@ static int md_thread(void * arg)
 
                 clear_bit(THREAD_WAKEUP, &thread->flags);
                 if (!kthread_should_stop())
-                        thread->run(thread->mddev);
+                        thread->run(thread);
         }
 
         return 0;
@@ -6656,8 +6656,8 @@ void md_wakeup_thread(struct md_thread *thread)
         }
 }
 
-struct md_thread *md_register_thread(void (*run) (struct mddev *), struct mddev *mddev,
-                                 const char *name)
+struct md_thread *md_register_thread(void (*run) (struct md_thread *),
+                struct mddev *mddev, const char *name)
 {
         struct md_thread *thread;
 
@@ -7206,8 +7206,9 @@ EXPORT_SYMBOL_GPL(md_allow_write);
 
 #define SYNC_MARKS      10
 #define SYNC_MARK_STEP  (3*HZ)
-void md_do_sync(struct mddev *mddev)
+void md_do_sync(struct md_thread *thread)
 {
+        struct mddev *mddev = thread->mddev;
         struct mddev *mddev2;
         unsigned int currspeed = 0,
                  window;