167 	struct extent_buffer *leaf;  in btrfs_insert_hole_extent()  local
180 	leaf = path->nodes[0];  in btrfs_insert_hole_extent()
181 	item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_insert_hole_extent()
183 	btrfs_set_file_extent_disk_bytenr(leaf, item, 0);  in btrfs_insert_hole_extent()
184 	btrfs_set_file_extent_disk_num_bytes(leaf, item, 0);  in btrfs_insert_hole_extent()
185 	btrfs_set_file_extent_offset(leaf, item, 0);  in btrfs_insert_hole_extent()
186 	btrfs_set_file_extent_num_bytes(leaf, item, num_bytes);  in btrfs_insert_hole_extent()
187 	btrfs_set_file_extent_ram_bytes(leaf, item, num_bytes);  in btrfs_insert_hole_extent()
188 	btrfs_set_file_extent_generation(leaf, item, trans->transid);  in btrfs_insert_hole_extent()
189 	btrfs_set_file_extent_type(leaf, item, BTRFS_FILE_EXTENT_REG);  in btrfs_insert_hole_extent()
190 	btrfs_set_file_extent_compression(leaf, item, 0);  in btrfs_insert_hole_extent()
191 	btrfs_set_file_extent_encryption(leaf, item, 0);  in btrfs_insert_hole_extent()
192 	btrfs_set_file_extent_other_encoding(leaf, item, 0);  in btrfs_insert_hole_extent()
209 	struct extent_buffer *leaf;  in btrfs_lookup_csum()  local
220 	leaf = path->nodes[0];  in btrfs_lookup_csum()
226 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_lookup_csum()
232 		csums_in_item = btrfs_item_size(leaf, path->slots[0]);  in btrfs_lookup_csum()
242 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_csum_item);  in btrfs_lookup_csum()
385 	 * If requested number of sectors is larger than one leaf can contain,  in btrfs_lookup_bio_sums()
471 	struct extent_buffer *leaf;  in btrfs_lookup_csums_list()  local
494 		leaf = path->nodes[0];  in btrfs_lookup_csums_list()
495 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0] - 1);  in btrfs_lookup_csums_list()
515 			    btrfs_item_size(leaf, path->slots[0] - 1))  in btrfs_lookup_csums_list()
523 		leaf = path->nodes[0];  in btrfs_lookup_csums_list()
524 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in btrfs_lookup_csums_list()
530 			leaf = path->nodes[0];  in btrfs_lookup_csums_list()
533 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_lookup_csums_list()
543 					btrfs_item_size(leaf, path->slots[0]));  in btrfs_lookup_csums_list()
615 	struct extent_buffer *leaf;  in btrfs_lookup_csums_bitmap()  local
650 		leaf = path->nodes[0];  in btrfs_lookup_csums_bitmap()
651 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0] - 1);  in btrfs_lookup_csums_bitmap()
671 			    btrfs_item_size(leaf, path->slots[0] - 1))  in btrfs_lookup_csums_bitmap()
680 		leaf = path->nodes[0];  in btrfs_lookup_csums_bitmap()
681 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in btrfs_lookup_csums_bitmap()
687 			leaf = path->nodes[0];  in btrfs_lookup_csums_bitmap()
690 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_lookup_csums_bitmap()
700 					btrfs_item_size(leaf, path->slots[0]));  in btrfs_lookup_csums_bitmap()
829 	struct extent_buffer *leaf;  in truncate_one_csum()  local
835 	leaf = path->nodes[0];  in truncate_one_csum()
836 	csum_end = btrfs_item_size(leaf, path->slots[0]) / csum_size;  in truncate_one_csum()
881 	struct extent_buffer *leaf;  in btrfs_del_csums()  local
908 		leaf = path->nodes[0];  in btrfs_del_csums()
909 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_del_csums()
919 		csum_end = btrfs_item_size(leaf, path->slots[0]) / csum_size;  in btrfs_del_csums()
933 			 * leaf correspond to our range and then delete them all  in btrfs_del_csums()
942 					btrfs_item_key_to_cpu(leaf, &pk, slot);  in btrfs_del_csums()
987 			item_offset = btrfs_item_ptr_offset(leaf,  in btrfs_del_csums()
990 			memzero_extent_buffer(leaf, item_offset + offset,  in btrfs_del_csums()
1058 	struct extent_buffer *leaf = NULL;  in btrfs_csum_file_blocks()  local
1083 		leaf = path->nodes[0];  in btrfs_csum_file_blocks()
1084 		item_end = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_csum_file_blocks()
1087 			   btrfs_item_size(leaf, path->slots[0]));  in btrfs_csum_file_blocks()
1097 		leaf = path->nodes[0];  in btrfs_csum_file_blocks()
1098 		item_size = btrfs_item_size(leaf, path->slots[0]);  in btrfs_csum_file_blocks()
1119 	 * First check if the leaf has enough free space for at least one  in btrfs_csum_file_blocks()
1123 	if (btrfs_leaf_free_space(leaf) >= csum_size) {  in btrfs_csum_file_blocks()
1124 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_csum_file_blocks()
1144 	leaf = path->nodes[0];  in btrfs_csum_file_blocks()
1145 	btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_csum_file_blocks()
1155 	if (csum_offset == btrfs_item_size(leaf, path->slots[0]) /  in btrfs_csum_file_blocks()
1180 		 * checksum item. If we are at the last item in the leaf, then  in btrfs_csum_file_blocks()
1183 		 * getting the first key for the next leaf, repeat the btree  in btrfs_csum_file_blocks()
1185 		 * would only save a few bytes of leaf space.  in btrfs_csum_file_blocks()
1210 		diff = diff - btrfs_item_size(leaf, path->slots[0]);  in btrfs_csum_file_blocks()
1211 		diff = min_t(u32, btrfs_leaf_free_space(leaf), diff);  in btrfs_csum_file_blocks()
1241 	leaf = path->nodes[0];  in btrfs_csum_file_blocks()
1243 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_csum_item);  in btrfs_csum_file_blocks()
1245 				      btrfs_item_size(leaf, path->slots[0]));  in btrfs_csum_file_blocks()
1253 	write_extent_buffer(leaf, sums->sums + index, (unsigned long)item,  in btrfs_csum_file_blocks()
1277 	struct extent_buffer *leaf = path->nodes[0];  in btrfs_extent_item_to_extent_map()  local
1281 	u8 type = btrfs_file_extent_type(leaf, fi);  in btrfs_extent_item_to_extent_map()
1282 	int compress_type = btrfs_file_extent_compression(leaf, fi);  in btrfs_extent_item_to_extent_map()
1284 	btrfs_item_key_to_cpu(leaf, &key, slot);  in btrfs_extent_item_to_extent_map()
1286 	em->ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);  in btrfs_extent_item_to_extent_map()
1287 	em->generation = btrfs_file_extent_generation(leaf, fi);  in btrfs_extent_item_to_extent_map()
1290 		const u64 disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);  in btrfs_extent_item_to_extent_map()
1301 		em->disk_num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi);  in btrfs_extent_item_to_extent_map()
1302 		em->offset = btrfs_file_extent_offset(leaf, fi);  in btrfs_extent_item_to_extent_map()
1340 	const struct extent_buffer *leaf = path->nodes[0];  in btrfs_file_extent_end()  local
1346 	btrfs_item_key_to_cpu(leaf, &key, slot);  in btrfs_file_extent_end()
1348 	fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);  in btrfs_file_extent_end()
1350 	if (btrfs_file_extent_type(leaf, fi) == BTRFS_FILE_EXTENT_INLINE)  in btrfs_file_extent_end()
1351 		end = leaf->fs_info->sectorsize;  in btrfs_file_extent_end()
1353 		end = key.offset + btrfs_file_extent_num_bytes(leaf, fi);  in btrfs_file_extent_end()