md: use sysfs_notify_dirent to notify changes to md/sync_action.

There is no compelling need for this, but sysfs_notify_dirent is a
nicer interface and the change is good for consistency.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index 8fc909ef6787..663803eaf0de 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -244,6 +244,7 @@ struct mddev_s
         struct sysfs_dirent             *sysfs_state;   /* handle for 'array_state'
                                                          * file in sysfs.
                                                          */
+        struct sysfs_dirent             *sysfs_action;  /* handle for 'sync_action' */
 
         spinlock_t                      write_lock;
         wait_queue_head_t               sb_wait;        /* for waiting on superblock updates */