taglinefilesource code
remount_fs646fs/super.cif (sb->s_op && sb->s_op->remount_fs) {
remount_fs647fs/super.cretval = sb->s_op->remount_fs(sb, &flags, data);
remount_fs447include/linux/fs.hint (*remount_fs) (struct super_block *, int *, char *);