rdonly
int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly)
if (f2fs_sb_has_quota_ino(sbi) && rdonly) {
static inline void con_protect_unimap(struct vc_data *vc, int rdonly)