146 int exfat_free_cluster(struct inode *inode, struct exfat_chain *p_chain)  in exfat_free_cluster()  argument
154 	if (p_chain->dir == EXFAT_FREE_CLUSTER ||  in exfat_free_cluster()
155 	    p_chain->dir == EXFAT_EOF_CLUSTER ||  in exfat_free_cluster()
156 	    p_chain->dir < EXFAT_FIRST_CLUSTER)  in exfat_free_cluster()
160 	if (p_chain->size == 0)  in exfat_free_cluster()
164 	if (!is_valid_cluster(sbi, p_chain->dir)) {  in exfat_free_cluster()
165 		exfat_err(sb, "invalid start cluster (%u)", p_chain->dir);  in exfat_free_cluster()
169 	clu = p_chain->dir;  in exfat_free_cluster()
171 	if (p_chain->flags == ALLOC_NO_FAT_CHAIN) {  in exfat_free_cluster()
177 		} while (num_clusters < p_chain->size);  in exfat_free_cluster()
194 int exfat_find_last_cluster(struct super_block *sb, struct exfat_chain *p_chain,  in exfat_find_last_cluster()  argument
200 	next = p_chain->dir;  in exfat_find_last_cluster()
201 	if (p_chain->flags == ALLOC_NO_FAT_CHAIN) {  in exfat_find_last_cluster()
202 		*ret_clu = next + p_chain->size - 1;  in exfat_find_last_cluster()
213 	if (p_chain->size != count) {  in exfat_find_last_cluster()
216 			p_chain->size, count);  in exfat_find_last_cluster()
272 		struct exfat_chain *p_chain)  in exfat_alloc_cluster()  argument
292 	hint_clu = p_chain->dir;  in exfat_alloc_cluster()
311 		if (p_chain->flags == ALLOC_NO_FAT_CHAIN) {  in exfat_alloc_cluster()
312 			if (exfat_chain_cont_cluster(sb, p_chain->dir,  in exfat_alloc_cluster()
315 			p_chain->flags = ALLOC_FAT_CHAIN;  in exfat_alloc_cluster()
319 	p_chain->dir = EXFAT_EOF_CLUSTER;  in exfat_alloc_cluster()
324 		    p_chain->flags == ALLOC_NO_FAT_CHAIN) {  in exfat_alloc_cluster()
325 			if (exfat_chain_cont_cluster(sb, p_chain->dir,  in exfat_alloc_cluster()
330 			p_chain->flags = ALLOC_FAT_CHAIN;  in exfat_alloc_cluster()
342 		if (p_chain->flags == ALLOC_FAT_CHAIN) {  in exfat_alloc_cluster()
349 		if (p_chain->dir == EXFAT_EOF_CLUSTER) {  in exfat_alloc_cluster()
350 			p_chain->dir = new_clu;  in exfat_alloc_cluster()
351 		} else if (p_chain->flags == ALLOC_FAT_CHAIN) {  in exfat_alloc_cluster()
363 			p_chain->size += num_clusters;  in exfat_alloc_cluster()
371 			if (p_chain->flags == ALLOC_NO_FAT_CHAIN) {  in exfat_alloc_cluster()
372 				if (exfat_chain_cont_cluster(sb, p_chain->dir,  in exfat_alloc_cluster()
377 				p_chain->flags = ALLOC_FAT_CHAIN;  in exfat_alloc_cluster()
383 		exfat_free_cluster(inode, p_chain);  in exfat_alloc_cluster()
388 		struct exfat_chain *p_chain, unsigned int *ret_count)  in exfat_count_num_clusters()  argument
394 	if (!p_chain->dir || p_chain->dir == EXFAT_EOF_CLUSTER) {  in exfat_count_num_clusters()
399 	if (p_chain->flags == ALLOC_NO_FAT_CHAIN) {  in exfat_count_num_clusters()
400 		*ret_count = p_chain->size;  in exfat_count_num_clusters()
404 	clu = p_chain->dir;  in exfat_count_num_clusters()