nilfs2: fix disorder of nilfs_write_super in nilfs_sync_fs
This fixes disorder of nilfs_write_super in nilfs_sync_fs. Commiting
super block must be the end of the function so that every changes are
reflected.
->sync_fs() is not called frequently so this makes nilfs_sync_fs call
nilfs_commit_super instead of nilfs_write_super.
Signed-off-by: Jiro SEKIBA <jir@unicus.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index e543eda..9926a1d6 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -385,13 +385,19 @@
static int nilfs_sync_fs(struct super_block *sb, int wait)
{
+ struct nilfs_sb_info *sbi = NILFS_SB(sb);
+ struct the_nilfs *nilfs = sbi->s_nilfs;
int err = 0;
- nilfs_write_super(sb);
-
/* This function is called when super block should be written back */
if (wait)
err = nilfs_construct_segment(sb);
+
+ down_write(&nilfs->ns_sem);
+ if (sb->s_dirt)
+ nilfs_commit_super(sbi, 1);
+ up_write(&nilfs->ns_sem);
+
return err;
}