1747 ext4_can_extents_be_merged(struct inode *inode, struct ext4_extent *ex1,  in ext4_can_extents_be_merged()  argument
1752 	if (ext4_ext_is_unwritten(ex1) != ext4_ext_is_unwritten(ex2))  in ext4_can_extents_be_merged()
1755 	ext1_ee_len = ext4_ext_get_actual_len(ex1);  in ext4_can_extents_be_merged()
1758 	if (le32_to_cpu(ex1->ee_block) + ext1_ee_len !=  in ext4_can_extents_be_merged()
1775 	if (ext4_ext_is_unwritten(ex1) &&  in ext4_can_extents_be_merged()
1785 	if (ext4_ext_pblock(ex1) + ext1_ee_len == ext4_ext_pblock(ex2))  in ext4_can_extents_be_merged()
5841 		struct ext4_extent *ex1, *ex2, tmp_ex;  in ext4_swap_extents()  local
5860 		ex1 = path1[path1->p_depth].p_ext;  in ext4_swap_extents()
5863 		if (unlikely(!ex2 || !ex1))  in ext4_swap_extents()
5866 		e1_blk = le32_to_cpu(ex1->ee_block);  in ext4_swap_extents()
5868 		e1_len = ext4_ext_get_actual_len(ex1);  in ext4_swap_extents()
5954 		tmp_ex = *ex1;  in ext4_swap_extents()
5955 		ext4_ext_store_pblock(ex1, ext4_ext_pblock(ex2));  in ext4_swap_extents()
5957 		ex1->ee_len = cpu_to_le16(e2_len);  in ext4_swap_extents()
5962 			ext4_ext_mark_unwritten(ex1);  in ext4_swap_extents()
5965 		ext4_ext_try_to_merge(handle, inode1, path1, ex1);  in ext4_swap_extents()