md/raid5: Don't reinvent the wheel but use existing llist API

Although llist provides proper APIs, they are not used. Make them used.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Signed-off-by: Shaohua Li <shli@fb.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b193316804d4..7b7722bb2e8d 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -353,17 +353,15 @@ static void release_inactive_stripe_list(struct r5conf *conf,
 static int release_stripe_list(struct r5conf *conf,
                                struct list_head *temp_inactive_list)
 {
-        struct stripe_head *sh;
+        struct stripe_head *sh, *t;
         int count = 0;
         struct llist_node *head;
 
         head = llist_del_all(&conf->released_stripes);
         head = llist_reverse_order(head);
-        while (head) {
+        llist_for_each_entry_safe(sh, t, head, release_list) {
                 int hash;
 
-                sh = llist_entry(head, struct stripe_head, release_list);
-                head = llist_next(head);
                 /* sh could be readded after STRIPE_ON_RELEASE_LIST is cleard */
                 smp_mb();
                 clear_bit(STRIPE_ON_RELEASE_LIST, &sh->state);