133 				       u64 len, u64 orig_start, u64 block_start,
1281 	u64 orig_start = start;  in cow_file_range()  local
1393 			if (start == orig_start) {  in cow_file_range()
1524 	if (keep_locked && orig_start < start) {  in cow_file_range()
1527 		extent_clear_unlock_delalloc(inode, orig_start, start - 1,  in cow_file_range()
2137 			u64 orig_start = found_key.offset - nocow_args.extent_offset;  in run_delalloc_nocow()  local
2141 					  orig_start,  in run_delalloc_nocow()
4931 			hole_em->orig_start = cur_offset;  in btrfs_cont_expand()
6783 	em->orig_start = EXTENT_MAP_HOLE;  in btrfs_get_extent()
6875 		em->orig_start = start;  in btrfs_get_extent()
6912 	em->orig_start = start;  in btrfs_get_extent()
6945 						  const u64 orig_start,  in btrfs_create_dio_extent()  argument
6956 		em = create_io_em(inode, start, len, orig_start, block_start,  in btrfs_create_dio_extent()
7053 			      u64 *orig_start, u64 *orig_block_len,  in can_nocow_extent()  argument
7140 	if (orig_start)  in can_nocow_extent()
7141 		*orig_start = key.offset - nocow_args.extent_offset;  in can_nocow_extent()
7247 				       u64 len, u64 orig_start, u64 block_start,  in create_io_em()  argument
7265 	em->orig_start = orig_start;  in create_io_em()
7301 	u64 block_start, orig_start, orig_block_len, ram_bytes;  in btrfs_get_blocks_direct_write()  local
7328 		if (can_nocow_extent(inode, start, &len, &orig_start,  in btrfs_get_blocks_direct_write()
7355 					      orig_start, block_start,  in btrfs_get_blocks_direct_write()
9638 		em->orig_start = cur_offset;  in __btrfs_prealloc_file_range()
10143 		encoded->unencoded_offset = iocb->ki_pos - em->orig_start;  in btrfs_encoded_read()