1 files changed, 3 insertions, 8 deletions

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 9926a1d6d225..70e8613a1954 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -367,17 +367,12 @@ static void nilfs_write_super(struct super_block *sb)
 
         down_write(&nilfs->ns_sem);
         if (!(sb->s_flags & MS_RDONLY)) {
-                struct nilfs_super_block **sbp = nilfs->ns_sbp;
-                u64 t = get_seconds();
-                int dupsb;
-
-                if (!nilfs_discontinued(nilfs) && t >= nilfs->ns_sbwtime[0] &&
-                    t < nilfs->ns_sbwtime[0] + NILFS_SB_FREQ) {
+                if (!nilfs_discontinued(nilfs) &&
+                    !nilfs_sb_need_update(nilfs)) {
                         up_write(&nilfs->ns_sem);
                         return;
                 }
-                dupsb = sbp[1] && t > nilfs->ns_sbwtime[1] + NILFS_ALTSB_FREQ;
-                nilfs_commit_super(sbi, dupsb);
+                nilfs_commit_super(sbi, nilfs_altsb_need_update(nilfs));
         }
         sb->s_dirt = 0;
         up_write(&nilfs->ns_sem);