27 void exfat_bitmap_set_range(struct exfat *exfat, char *bitmap,  in exfat_bitmap_set_range()  argument
32 	if (!exfat_heap_clus(exfat, start_clus) ||  in exfat_bitmap_set_range()
33 	    !exfat_heap_clus(exfat, start_clus + count - 1))  in exfat_bitmap_set_range()
43 static int exfat_bitmap_find_bit(struct exfat *exfat, char *bmap,  in exfat_bitmap_find_bit()  argument
49 	last_clu = le32_to_cpu(exfat->bs->bsx.clu_count) +  in exfat_bitmap_find_bit()
61 int exfat_bitmap_find_zero(struct exfat *exfat, char *bmap,  in exfat_bitmap_find_zero()  argument
64 	return exfat_bitmap_find_bit(exfat, bmap,  in exfat_bitmap_find_zero()
68 int exfat_bitmap_find_one(struct exfat *exfat, char *bmap,  in exfat_bitmap_find_one()  argument
71 	return exfat_bitmap_find_bit(exfat, bmap,  in exfat_bitmap_find_one()
407 int exfat_read_volume_label(struct exfat *exfat)  in exfat_read_volume_label()  argument
417 	err = exfat_lookup_dentry_set(exfat, exfat->root, &filter);  in exfat_read_volume_label()
434 		exfat->volume_label, sizeof(exfat->volume_label)) < 0) {  in exfat_read_volume_label()
440 	exfat_info("label: %s\n", exfat->volume_label);  in exfat_read_volume_label()
446 int exfat_set_volume_label(struct exfat *exfat, char *label_input)  in exfat_set_volume_label()  argument
458 	err = exfat_lookup_dentry_set(exfat, exfat->root, &filter);  in exfat_set_volume_label()
483 	loc.parent = exfat->root;  in exfat_set_volume_label()
486 	err = exfat_add_dentry_set(exfat, &loc, pvol, dcount, false);  in exfat_set_volume_label()
695 int exfat_get_next_clus(struct exfat *exfat, clus_t clus, clus_t *next)  in exfat_get_next_clus()  argument
701 	if (!exfat_heap_clus(exfat, clus))  in exfat_get_next_clus()
704 	offset = (off_t)le32_to_cpu(exfat->bs->bsx.fat_offset) <<  in exfat_get_next_clus()
705 				exfat->bs->bsx.sect_size_bits;  in exfat_get_next_clus()
708 	if (exfat_read(exfat->blk_dev->dev_fd, next, sizeof(*next), offset)  in exfat_get_next_clus()
715 int exfat_get_inode_next_clus(struct exfat *exfat, struct exfat_inode *node,  in exfat_get_inode_next_clus()  argument
721 		if (!exfat_heap_clus(exfat, clus))  in exfat_get_inode_next_clus()
727 	return exfat_get_next_clus(exfat, clus, next);  in exfat_get_inode_next_clus()
730 int exfat_set_fat(struct exfat *exfat, clus_t clus, clus_t next_clus)  in exfat_set_fat()  argument
734 	offset = le32_to_cpu(exfat->bs->bsx.fat_offset) <<  in exfat_set_fat()
735 		exfat->bs->bsx.sect_size_bits;  in exfat_set_fat()
738 	if (exfat_write(exfat->blk_dev->dev_fd, &next_clus, sizeof(next_clus),  in exfat_set_fat()
744 off_t exfat_s2o(struct exfat *exfat, off_t sect)  in exfat_s2o()  argument
746 	return sect << exfat->bs->bsx.sect_size_bits;  in exfat_s2o()
749 off_t exfat_c2o(struct exfat *exfat, unsigned int clus)  in exfat_c2o()  argument
754 	return exfat_s2o(exfat, le32_to_cpu(exfat->bs->bsx.clu_offset) +  in exfat_c2o()
756 				 exfat->bs->bsx.sect_per_clus_bits));  in exfat_c2o()
759 int exfat_o2c(struct exfat *exfat, off_t device_offset,  in exfat_o2c()  argument
764 	heap_offset = exfat_s2o(exfat, le32_to_cpu(exfat->bs->bsx.clu_offset));  in exfat_o2c()
769 			      exfat->clus_size) + EXFAT_FIRST_CLUSTER;  in exfat_o2c()
770 	if (!exfat_heap_clus(exfat, *clu))  in exfat_o2c()
772 	*offset = (device_offset - heap_offset) % exfat->clus_size;  in exfat_o2c()
776 bool exfat_heap_clus(struct exfat *exfat, clus_t clus)  in exfat_heap_clus()  argument
779 		(clus - EXFAT_FIRST_CLUSTER) < exfat->clus_count;  in exfat_heap_clus()
782 int exfat_root_clus_count(struct exfat *exfat)  in exfat_root_clus_count()  argument
784 	struct exfat_inode *node = exfat->root;  in exfat_root_clus_count()
788 	if (!exfat_heap_clus(exfat, node->first_clus))  in exfat_root_clus_count()
793 		if (exfat_bitmap_get(exfat->alloc_bitmap, clus))  in exfat_root_clus_count()
796 		exfat_bitmap_set(exfat->alloc_bitmap, clus);  in exfat_root_clus_count()
798 		if (exfat_get_inode_next_clus(exfat, node, clus, &next)) {  in exfat_root_clus_count()
803 		if (next != EXFAT_EOF_CLUSTER && !exfat_heap_clus(exfat, next))  in exfat_root_clus_count()
810 	node->size = clus_count * exfat->clus_size;  in exfat_root_clus_count()