24 #define MAX_ORDERED_SUM_BYTES(fs_info) ((PAGE_SIZE - \  argument
26 				   sizeof(u32) * (fs_info)->sectorsize)
80 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_lookup_csum()  local
87 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);  in btrfs_lookup_csum()
107 				fs_info->sb->s_blocksize_bits;  in btrfs_lookup_csum()
153 	struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);  in __btrfs_lookup_bio_sums()  local
169 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);  in __btrfs_lookup_bio_sums()
231 			item = btrfs_lookup_csum(NULL, fs_info->csum_root,  in __btrfs_lookup_bio_sums()
239 						offset + fs_info->sectorsize - 1,  in __btrfs_lookup_bio_sums()
242 					btrfs_info_rl(fs_info,  in __btrfs_lookup_bio_sums()
258 				fs_info->sectorsize;  in __btrfs_lookup_bio_sums()
267 		diff = diff / fs_info->sectorsize;  in __btrfs_lookup_bio_sums()
279 			disk_bytenr += fs_info->sectorsize;  in __btrfs_lookup_bio_sums()
280 			offset += fs_info->sectorsize;  in __btrfs_lookup_bio_sums()
281 			page_bytes_left -= fs_info->sectorsize;  in __btrfs_lookup_bio_sums()
305 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_lookup_csums_range()  local
316 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);  in btrfs_lookup_csums_range()
318 	ASSERT(IS_ALIGNED(start, fs_info->sectorsize) &&  in btrfs_lookup_csums_range()
319 	       IS_ALIGNED(end + 1, fs_info->sectorsize));  in btrfs_lookup_csums_range()
344 				 fs_info->sb->s_blocksize_bits;  in btrfs_lookup_csums_range()
372 		csum_end = key.offset + (size / csum_size) * fs_info->sectorsize;  in btrfs_lookup_csums_range()
383 				     MAX_ORDERED_SUM_BYTES(fs_info));  in btrfs_lookup_csums_range()
384 			sums = kzalloc(btrfs_ordered_sum_size(fs_info, size),  in btrfs_lookup_csums_range()
395 				fs_info->sb->s_blocksize_bits;  in btrfs_lookup_csums_range()
397 			size >>= fs_info->sb->s_blocksize_bits;  in btrfs_lookup_csums_range()
404 			start += fs_info->sectorsize * size;  in btrfs_lookup_csums_range()
425 	struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);  in btrfs_csum_one_bio()  local
438 	sums = kzalloc(btrfs_ordered_sum_size(fs_info, bio->bi_iter.bi_size),  in btrfs_csum_one_bio()
465 		nr_sectors = BTRFS_BYTES_TO_BLKS(fs_info,  in btrfs_csum_one_bio()
466 						 bvec.bv_len + fs_info->sectorsize  in btrfs_csum_one_bio()
482 				sums = kzalloc(btrfs_ordered_sum_size(fs_info, bytes_left),  in btrfs_csum_one_bio()
499 						+ (i * fs_info->sectorsize),  in btrfs_csum_one_bio()
501 						fs_info->sectorsize);  in btrfs_csum_one_bio()
505 			offset += fs_info->sectorsize;  in btrfs_csum_one_bio()
506 			this_sum_bytes += fs_info->sectorsize;  in btrfs_csum_one_bio()
507 			total_bytes += fs_info->sectorsize;  in btrfs_csum_one_bio()
529 static noinline void truncate_one_csum(struct btrfs_fs_info *fs_info,  in truncate_one_csum()  argument
535 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);  in truncate_one_csum()
538 	u32 blocksize_bits = fs_info->sb->s_blocksize_bits;  in truncate_one_csum()
542 	csum_end <<= fs_info->sb->s_blocksize_bits;  in truncate_one_csum()
554 		btrfs_truncate_item(fs_info, path, new_size, 1);  in truncate_one_csum()
566 		btrfs_truncate_item(fs_info, path, new_size, 0);  in truncate_one_csum()
569 		btrfs_set_item_key_safe(fs_info, path, key);  in truncate_one_csum()
580 		    struct btrfs_fs_info *fs_info, u64 bytenr, u64 len)  in btrfs_del_csums()  argument
582 	struct btrfs_root *root = fs_info->csum_root;  in btrfs_del_csums()
589 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);  in btrfs_del_csums()
590 	int blocksize_bits = fs_info->sb->s_blocksize_bits;  in btrfs_del_csums()
709 			truncate_one_csum(fs_info, path, &key, bytenr, len);  in btrfs_del_csums()
725 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_csum_file_blocks()  local
741 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);  in btrfs_csum_file_blocks()
774 		    MAX_CSUM_ITEMS(fs_info, csum_size)) {  in btrfs_csum_file_blocks()
820 			fs_info->sb->s_blocksize_bits;  in btrfs_csum_file_blocks()
824 	    csum_offset >= MAX_CSUM_ITEMS(fs_info, csum_size)) {  in btrfs_csum_file_blocks()
835 		if (btrfs_leaf_free_space(fs_info, leaf) <  in btrfs_csum_file_blocks()
839 		free_space = btrfs_leaf_free_space(fs_info, leaf) -  in btrfs_csum_file_blocks()
842 		tmp >>= fs_info->sb->s_blocksize_bits;  in btrfs_csum_file_blocks()
848 			   MAX_CSUM_ITEMS(fs_info, csum_size) * csum_size);  in btrfs_csum_file_blocks()
855 		btrfs_extend_item(fs_info, path, diff);  in btrfs_csum_file_blocks()
867 		tmp >>= fs_info->sb->s_blocksize_bits;  in btrfs_csum_file_blocks()
869 					 fs_info->sb->s_blocksize_bits);  in btrfs_csum_file_blocks()
872 		tmp = min_t(u64, tmp, MAX_CSUM_ITEMS(fs_info, csum_size));  in btrfs_csum_file_blocks()
894 		   fs_info->sb->s_blocksize_bits;  in btrfs_csum_file_blocks()
902 	total_bytes += ins_size * fs_info->sectorsize;  in btrfs_csum_file_blocks()
925 	struct btrfs_fs_info *fs_info = inode->root->fs_info;  in btrfs_extent_item_to_extent_map()  local
935 	em->bdev = fs_info->fs_devices->latest_bdev;  in btrfs_extent_item_to_extent_map()
947 				   fs_info->sectorsize);  in btrfs_extent_item_to_extent_map()
990 		btrfs_err(fs_info,  in btrfs_extent_item_to_extent_map()