33 	struct exfat_sb_info *sbi = EXFAT_SB(sb);  in exfat_test_bitmap_range()  local
41 	if (!is_valid_cluster(sbi, start) || !is_valid_cluster(sbi, end - 1))  in exfat_test_bitmap_range()
49 		bitmap_le = (__le_long *)sbi->vol_amap[i]->b_data;  in exfat_test_bitmap_range()
76 	struct exfat_sb_info *sbi = EXFAT_SB(sb);  in exfat_allocate_bitmap()  local
83 	sbi->map_clu = le32_to_cpu(ep->dentry.bitmap.start_clu);  in exfat_allocate_bitmap()
85 	need_map_size = ((EXFAT_DATA_CLUSTER_COUNT(sbi) - 1) / BITS_PER_BYTE)  in exfat_allocate_bitmap()
97 	sbi->map_sectors = ((need_map_size - 1) >>  in exfat_allocate_bitmap()
99 	sbi->vol_amap = kvmalloc_array(sbi->map_sectors,  in exfat_allocate_bitmap()
101 	if (!sbi->vol_amap)  in exfat_allocate_bitmap()
104 	sector = exfat_cluster_to_sector(sbi, sbi->map_clu);  in exfat_allocate_bitmap()
107 	for (i = 0; i < sbi->map_sectors; i++) {  in exfat_allocate_bitmap()
111 			for (j = i; j < min(max_ra_count, sbi->map_sectors - i) + i; j++)  in exfat_allocate_bitmap()
116 		sbi->vol_amap[i] = sb_bread(sb, sector + i);  in exfat_allocate_bitmap()
117 		if (!sbi->vol_amap[i])  in exfat_allocate_bitmap()
121 	if (exfat_test_bitmap_range(sb, sbi->map_clu,  in exfat_allocate_bitmap()
122 		EXFAT_B_TO_CLU_ROUND_UP(map_size, sbi)) == false)  in exfat_allocate_bitmap()
131 		brelse(sbi->vol_amap[j++]);  in exfat_allocate_bitmap()
133 	kvfree(sbi->vol_amap);  in exfat_allocate_bitmap()
134 	sbi->vol_amap = NULL;  in exfat_allocate_bitmap()
142 	struct exfat_sb_info *sbi = EXFAT_SB(sb);  in exfat_load_bitmap()  local
144 	exfat_chain_set(&clu, sbi->root_dir, 0, ALLOC_FAT_CHAIN);  in exfat_load_bitmap()
146 		for (i = 0; i < sbi->dentries_per_clu; i++) {  in exfat_load_bitmap()
176 void exfat_free_bitmap(struct exfat_sb_info *sbi)  in exfat_free_bitmap()  argument
180 	for (i = 0; i < sbi->map_sectors; i++)  in exfat_free_bitmap()
181 		__brelse(sbi->vol_amap[i]);  in exfat_free_bitmap()
183 	kvfree(sbi->vol_amap);  in exfat_free_bitmap()
191 	struct exfat_sb_info *sbi = EXFAT_SB(sb);  in exfat_set_bitmap()  local
193 	if (!is_valid_cluster(sbi, clu))  in exfat_set_bitmap()
200 	set_bit_le(b, sbi->vol_amap[i]->b_data);  in exfat_set_bitmap()
201 	exfat_update_bh(sbi->vol_amap[i], sync);  in exfat_set_bitmap()
210 	struct exfat_sb_info *sbi = EXFAT_SB(sb);  in exfat_clear_bitmap()  local
212 	if (!is_valid_cluster(sbi, clu))  in exfat_clear_bitmap()
219 	if (!test_bit_le(b, sbi->vol_amap[i]->b_data))  in exfat_clear_bitmap()
222 	clear_bit_le(b, sbi->vol_amap[i]->b_data);  in exfat_clear_bitmap()
224 	exfat_update_bh(sbi->vol_amap[i], sync);  in exfat_clear_bitmap()
238 	struct exfat_sb_info *sbi = EXFAT_SB(sb);  in exfat_find_free_bitmap()  local
249 	for (i = EXFAT_FIRST_CLUSTER; i < sbi->num_clusters;  in exfat_find_free_bitmap()
251 		bitval = *(__le_long *)(sbi->vol_amap[map_i]->b_data + map_b);  in exfat_find_free_bitmap()
259 			if (clu_free < sbi->num_clusters)  in exfat_find_free_bitmap()
266 		    clu_base >= sbi->num_clusters) {  in exfat_find_free_bitmap()
267 			if (++map_i >= sbi->map_sectors) {  in exfat_find_free_bitmap()
280 	struct exfat_sb_info *sbi = EXFAT_SB(sb);  in exfat_count_used_clusters()  local
283 	unsigned int total_clus = EXFAT_DATA_CLUSTER_COUNT(sbi);  in exfat_count_used_clusters()
289 		bitmap = (void *)(sbi->vol_amap[map_i]->b_data + map_b);  in exfat_count_used_clusters()
299 		bitmap = (void *)(sbi->vol_amap[map_i]->b_data + map_b);  in exfat_count_used_clusters()
313 	struct exfat_sb_info *sbi = EXFAT_SB(sb);  in exfat_trim_fs()  local
316 	clu_start = max_t(u64, range->start >> sbi->cluster_size_bits,  in exfat_trim_fs()
318 	clu_end = clu_start + (range->len >> sbi->cluster_size_bits) - 1;  in exfat_trim_fs()
319 	trim_minlen = range->minlen >> sbi->cluster_size_bits;  in exfat_trim_fs()
321 	if (clu_start >= sbi->num_clusters || range->len < sbi->cluster_size)  in exfat_trim_fs()
324 	if (clu_end >= sbi->num_clusters)  in exfat_trim_fs()
325 		clu_end = sbi->num_clusters - 1;  in exfat_trim_fs()
327 	mutex_lock(&sbi->bitmap_lock);  in exfat_trim_fs()
346 					exfat_cluster_to_sector(sbi, trim_begin),  in exfat_trim_fs()
347 					count * sbi->sect_per_clus, GFP_NOFS, 0);  in exfat_trim_fs()
373 		err = sb_issue_discard(sb, exfat_cluster_to_sector(sbi, trim_begin),  in exfat_trim_fs()
374 			count * sbi->sect_per_clus, GFP_NOFS, 0);  in exfat_trim_fs()
382 	mutex_unlock(&sbi->bitmap_lock);  in exfat_trim_fs()
383 	range->len = trimmed_total << sbi->cluster_size_bits;  in exfat_trim_fs()