dm raid1: use list_split_init

Use shorter list_splice_init() for brevity.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 762cb086bb7f6e864fca4998f407644e8add96cc..64489e714c951f55634ce0e63d38a9dbbca6465e 100644 (file)
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -405,24 +405,22 @@ static void rh_update_states(struct region_hash *rh)
        write_lock_irq(&rh->hash_lock);
        spin_lock(&rh->region_lock);
        if (!list_empty(&rh->clean_regions)) {
-               list_splice(&rh->clean_regions, &clean);
-               INIT_LIST_HEAD(&rh->clean_regions);
+               list_splice_init(&rh->clean_regions, &clean);
 
                list_for_each_entry(reg, &clean, list)
                        list_del(&reg->hash_list);
        }
 
        if (!list_empty(&rh->recovered_regions)) {
-               list_splice(&rh->recovered_regions, &recovered);
-               INIT_LIST_HEAD(&rh->recovered_regions);
+               list_splice_init(&rh->recovered_regions, &recovered);
 
                list_for_each_entry (reg, &recovered, list)
                        list_del(&reg->hash_list);
        }
 
        if (!list_empty(&rh->failed_recovered_regions)) {
-               list_splice(&rh->failed_recovered_regions, &failed_recovered);
-               INIT_LIST_HEAD(&rh->failed_recovered_regions);
+               list_splice_init(&rh->failed_recovered_regions,
+                                &failed_recovered);
 
                list_for_each_entry(reg, &failed_recovered, list)
                        list_del(&reg->hash_list);