fs/exfat/dir.c

72 	struct exfat_chain dir, clu;
96 	exfat_chain_dup(&clu, &dir);
98 	if (clu.flags == ALLOC_NO_FAT_CHAIN) {
99 		clu.dir += clu_offset;
100 		clu.size -= clu_offset;
106 			clu.dir = ei->hint_bmap.clu;
109 		while (clu_offset > 0 && clu.dir != EXFAT_EOF_CLUSTER) {
110 			if (exfat_get_next_cluster(sb, &(clu.dir)))
117 	while (clu.dir != EXFAT_EOF_CLUSTER && dentry < max_dentries) {
121 			ep = exfat_get_dentry(sb, &clu, i, &bh);
155 			err = exfat_get_uniname_from_ext_entry(sb, &clu, i,
166 			ep = exfat_get_dentry(sb, &clu, i + 1, &bh);
175 			ei->hint_bmap.clu = clu.dir;
181 		if (clu.flags == ALLOC_NO_FAT_CHAIN) {
182 			if (--clu.size > 0)
183 				clu.dir++;
185 				clu.dir = EXFAT_EOF_CLUSTER;
187 			if (exfat_get_next_cluster(sb, &(clu.dir)))
321 int exfat_alloc_new_dir(struct inode *inode, struct exfat_chain *clu)
325 	exfat_chain_set(clu, EXFAT_EOF_CLUSTER, 0, ALLOC_NO_FAT_CHAIN);
327 	ret = exfat_alloc_cluster(inode, 1, clu, IS_DIRSYNC(inode));
331 	return exfat_zeroed_cluster(inode, clu->dir);
582 		unsigned int *clu)
599 					"invalid dentry access beyond EOF (clu : %u, eidx : %d)",
608 	*clu = cur_clu;
616 	unsigned int off, clu = 0;
621 	ret = exfat_walk_fat_chain(sb, p_dir, off, &clu);
633 	*sector += exfat_cluster_to_sector(sbi, clu);
827 			unsigned int clu = exfat_sector_to_cluster(sbi, sec);
830 				clu++;
831 			else if (exfat_get_next_cluster(sb, &clu))
833 			sec = exfat_cluster_to_sector(sbi, clu);
962 		struct exfat_hint_femp *candi_empty, struct exfat_chain *clu,
970 			candi_empty->cur = *clu;
1012 	struct exfat_chain clu;
1023 	exfat_chain_dup(&clu, p_dir);
1026 		clu.dir = hint_stat->clu;
1038 	while (clu.dir != EXFAT_EOF_CLUSTER) {
1047 			ep = exfat_get_dentry(sb, &clu, i, &bh);
1057 				exfat_set_empty_hint(ei, &candi_empty, &clu,
1071 				hint_opt->clu = clu.dir;
1146 		if (clu.flags == ALLOC_NO_FAT_CHAIN) {
1147 			if (--clu.size > 0)
1148 				clu.dir++;
1150 				clu.dir = EXFAT_EOF_CLUSTER;
1152 			if (exfat_get_next_cluster(sb, &clu.dir))
1165 		clu.dir = p_dir->dir;
1180 	hint_stat->clu = p_dir->dir;
1189 		if (clu.flags == ALLOC_NO_FAT_CHAIN) {
1190 			if (--clu.size > 0)
1191 				clu.dir++;
1193 				clu.dir = EXFAT_EOF_CLUSTER;
1195 			ret = exfat_get_next_cluster(sb, &clu.dir);
1198 		if (ret || clu.dir == EXFAT_EOF_CLUSTER) {
1200 			hint_stat->clu = p_dir->dir;
1206 	hint_stat->clu = clu.dir;
1216 	struct exfat_chain clu;
1223 	exfat_chain_dup(&clu, p_dir);
1225 	while (clu.dir != EXFAT_EOF_CLUSTER) {
1227 			ep = exfat_get_dentry(sb, &clu, i, &bh);
1240 		if (clu.flags == ALLOC_NO_FAT_CHAIN) {
1241 			if (--clu.size > 0)
1242 				clu.dir++;
1244 				clu.dir = EXFAT_EOF_CLUSTER;
1246 			if (exfat_get_next_cluster(sb, &(clu.dir)))