733 		if (ret > 0 && path->slots[0] > 0 && search_start == start) {  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()
744 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  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()
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()
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()
974 		path->slots[0] = del_slot;  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()
1108 	if (ret > 0 && path->slots[0] > 0)  in btrfs_mark_extent_written()
1109 		path->slots[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()
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()
1169 			fi = btrfs_item_ptr(leaf, path->slots[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()
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()
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()
2152 	if (hole_mergeable(inode, leaf, path->slots[0]-1, offset, end)) {  in fill_holes()
2155 		path->slots[0]--;  in fill_holes()
2156 		fi = btrfs_item_ptr(leaf, path->slots[0],  in fill_holes()
2167 	if (hole_mergeable(inode, leaf, path->slots[0], offset, end)) {  in fill_holes()
2172 		fi = btrfs_item_ptr(leaf, path->slots[0],  in fill_holes()