nilfs_commit_super
ret = nilfs_commit_super(sb, NILFS_SB_COMMIT_ALL);
int nilfs_commit_super(struct super_block *sb, int flag);
err = nilfs_commit_super(sci->sc_super,
nilfs_commit_super(sb, NILFS_SB_COMMIT_ALL);
ret = nilfs_commit_super(sb, flag);
ret = nilfs_commit_super(sb, NILFS_SB_COMMIT_ALL);
nilfs_commit_super(sb, NILFS_SB_COMMIT);
return nilfs_commit_super(sb, NILFS_SB_COMMIT_ALL);