raid: replace list_for_each_continue_rcu with new interface

This patch replaces list_for_each_continue_rcu() with
list_for_each_entry_continue_rcu() to save a few lines
of code and allow removing list_for_each_continue_rcu().

Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 94e7f6ba2e11..df73375c160a 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -163,20 +163,17 @@ static struct md_rdev *next_active_rdev(struct md_rdev *rdev, struct mddev *mdde
          * As devices are only added or removed when raid_disk is < 0 and
          * nr_pending is 0 and In_sync is clear, the entries we return will
          * still be in the same position on the list when we re-enter
-         * list_for_each_continue_rcu.
+         * list_for_each_entry_continue_rcu.
          */
-        struct list_head *pos;
         rcu_read_lock();
         if (rdev == NULL)
                 /* start at the beginning */
-                pos = &mddev->disks;
+                rdev = list_entry_rcu(&mddev->disks, struct md_rdev, same_set);
         else {
                 /* release the previous rdev and start from there. */
                 rdev_dec_pending(rdev, mddev);
-                pos = &rdev->same_set;
         }
-        list_for_each_continue_rcu(pos, &mddev->disks) {
-                rdev = list_entry(pos, struct md_rdev, same_set);
+        list_for_each_entry_continue_rcu(rdev, &mddev->disks, same_set) {
                 if (rdev->raid_disk >= 0 &&
                     !test_bit(Faulty, &rdev->flags)) {
                         /* this is a usable devices */