693 			 struct btrfs_path *path, u64 start, u64 end,  in __btrfs_drop_extents()  argument
729 		ret = btrfs_lookup_file_extent(trans, root, path, ino,  in __btrfs_drop_extents()
733 		if (ret > 0 && path->slots[0] > 0 && search_start == start) {  in __btrfs_drop_extents()
734 			leaf = path->nodes[0];  in __btrfs_drop_extents()
735 			btrfs_item_key_to_cpu(leaf, &key, path->slots[0] - 1);  in __btrfs_drop_extents()
738 				path->slots[0]--;  in __btrfs_drop_extents()
743 		leaf = path->nodes[0];  in __btrfs_drop_extents()
744 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in __btrfs_drop_extents()
746 			ret = btrfs_next_leaf(root, path);  in __btrfs_drop_extents()
754 			leaf = path->nodes[0];  in __btrfs_drop_extents()
758 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in __btrfs_drop_extents()
765 			path->slots[0]++;  in __btrfs_drop_extents()
771 		fi = btrfs_item_ptr(leaf, path->slots[0],  in __btrfs_drop_extents()
785 						     path->slots[0], fi);  in __btrfs_drop_extents()
804 			path->slots[0]++;  in __btrfs_drop_extents()
812 			btrfs_release_path(path);  in __btrfs_drop_extents()
829 			ret = btrfs_duplicate_item(trans, root, path,  in __btrfs_drop_extents()
832 				btrfs_release_path(path);  in __btrfs_drop_extents()
838 			leaf = path->nodes[0];  in __btrfs_drop_extents()
839 			fi = btrfs_item_ptr(leaf, path->slots[0] - 1,  in __btrfs_drop_extents()
844 			fi = btrfs_item_ptr(leaf, path->slots[0],  in __btrfs_drop_extents()
875 			btrfs_set_item_key_safe(root->fs_info, path, &new_key);  in __btrfs_drop_extents()
907 			path->slots[0]++;  in __btrfs_drop_extents()
918 				del_slot = path->slots[0];  in __btrfs_drop_extents()
921 				BUG_ON(del_slot + del_nr != path->slots[0]);  in __btrfs_drop_extents()
945 			if (path->slots[0] + 1 < btrfs_header_nritems(leaf)) {  in __btrfs_drop_extents()
946 				path->slots[0]++;  in __btrfs_drop_extents()
950 			ret = btrfs_del_items(trans, root, path, del_slot,  in __btrfs_drop_extents()
960 			btrfs_release_path(path);  in __btrfs_drop_extents()
974 		path->slots[0] = del_slot;  in __btrfs_drop_extents()
975 		ret = btrfs_del_items(trans, root, path, del_slot, del_nr);  in __btrfs_drop_extents()
980 	leaf = path->nodes[0];  in __btrfs_drop_extents()
987 	    (path->locks[0] == BTRFS_WRITE_LOCK_BLOCKING ||  in __btrfs_drop_extents()
988 	     path->locks[0] == BTRFS_WRITE_LOCK) &&  in __btrfs_drop_extents()
995 		if (!del_nr && path->slots[0] < btrfs_header_nritems(leaf)) {  in __btrfs_drop_extents()
998 			btrfs_item_key_to_cpu(leaf, &slot_key, path->slots[0]);  in __btrfs_drop_extents()
1000 				path->slots[0]++;  in __btrfs_drop_extents()
1002 		setup_items_for_insert(root, path, &key,  in __btrfs_drop_extents()
1011 		btrfs_release_path(path);  in __btrfs_drop_extents()
1021 	struct btrfs_path *path;  in btrfs_drop_extents()  local
1024 	path = btrfs_alloc_path();  in btrfs_drop_extents()
1025 	if (!path)  in btrfs_drop_extents()
1027 	ret = __btrfs_drop_extents(trans, root, inode, path, start, end, NULL,  in btrfs_drop_extents()
1029 	btrfs_free_path(path);  in btrfs_drop_extents()
1078 	struct btrfs_path *path;  in btrfs_mark_extent_written()  local
1095 	path = btrfs_alloc_path();  in btrfs_mark_extent_written()
1096 	if (!path)  in btrfs_mark_extent_written()
1105 	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);  in btrfs_mark_extent_written()
1108 	if (ret > 0 && path->slots[0] > 0)  in btrfs_mark_extent_written()
1109 		path->slots[0]--;  in btrfs_mark_extent_written()
1111 	leaf = path->nodes[0];  in btrfs_mark_extent_written()
1112 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_mark_extent_written()
1114 	fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
1129 		if (extent_mergeable(leaf, path->slots[0] - 1,  in btrfs_mark_extent_written()
1133 			btrfs_set_item_key_safe(root->fs_info, path, &new_key);  in btrfs_mark_extent_written()
1134 			fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
1142 			fi = btrfs_item_ptr(leaf, path->slots[0] - 1,  in btrfs_mark_extent_written()
1156 		if (extent_mergeable(leaf, path->slots[0] + 1,  in btrfs_mark_extent_written()
1159 			fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
1165 			path->slots[0]++;  in btrfs_mark_extent_written()
1167 			btrfs_set_item_key_safe(root->fs_info, path, &new_key);  in btrfs_mark_extent_written()
1169 			fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
1187 		ret = btrfs_duplicate_item(trans, root, path, &new_key);  in btrfs_mark_extent_written()
1189 			btrfs_release_path(path);  in btrfs_mark_extent_written()
1197 		leaf = path->nodes[0];  in btrfs_mark_extent_written()
1198 		fi = btrfs_item_ptr(leaf, path->slots[0] - 1,  in btrfs_mark_extent_written()
1204 		fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
1222 			path->slots[0]--;  in btrfs_mark_extent_written()
1230 	if (extent_mergeable(leaf, path->slots[0] + 1,  in btrfs_mark_extent_written()
1234 			btrfs_release_path(path);  in btrfs_mark_extent_written()
1238 		del_slot = path->slots[0] + 1;  in btrfs_mark_extent_written()
1247 	if (extent_mergeable(leaf, path->slots[0] - 1,  in btrfs_mark_extent_written()
1251 			btrfs_release_path(path);  in btrfs_mark_extent_written()
1255 		del_slot = path->slots[0];  in btrfs_mark_extent_written()
1263 		fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
1279 		ret = btrfs_del_items(trans, root, path, del_slot, del_nr);  in btrfs_mark_extent_written()
1286 	btrfs_free_path(path);  in btrfs_mark_extent_written()
2152 		      struct btrfs_path *path, u64 offset, u64 end)  in fill_holes()  argument
2169 	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);  in fill_holes()
2174 	leaf = path->nodes[0];  in fill_holes()
2175 	if (hole_mergeable(inode, leaf, path->slots[0]-1, offset, end)) {  in fill_holes()
2178 		path->slots[0]--;  in fill_holes()
2179 		fi = btrfs_item_ptr(leaf, path->slots[0],  in fill_holes()
2190 	if (hole_mergeable(inode, leaf, path->slots[0], offset, end)) {  in fill_holes()
2194 		btrfs_set_item_key_safe(root->fs_info, path, &key);  in fill_holes()
2195 		fi = btrfs_item_ptr(leaf, path->slots[0],  in fill_holes()
2205 	btrfs_release_path(path);  in fill_holes()
2214 	btrfs_release_path(path);  in fill_holes()
2284 	struct btrfs_path *path;  in btrfs_punch_hole()  local
2429 	path = btrfs_alloc_path();  in btrfs_punch_hole()
2430 	if (!path) {  in btrfs_punch_hole()
2463 		ret = __btrfs_drop_extents(trans, root, inode, path,  in btrfs_punch_hole()
2472 			ret = fill_holes(trans, inode, path, cur_offset,  in btrfs_punch_hole()
2537 		ret = fill_holes(trans, inode, path, cur_offset, drop_end);  in btrfs_punch_hole()
2557 	btrfs_free_path(path);  in btrfs_punch_hole()