diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 0550fd30fd10..635fb8a52e0c 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -393,9 +393,11 @@ static int mext_move_extent(struct mext_data *mext, u64 *m_len)
 
 repair_branches:
 	ret2 = 0;
+	ext4_double_down_write_data_sem(orig_inode, donor_inode);
 	r_len = ext4_swap_extents(handle, donor_inode, orig_inode,
 				  mext->donor_lblk, orig_map->m_lblk,
 				  *m_len, 0, &ret2);
+	ext4_double_up_write_data_sem(orig_inode, donor_inode);
 	if (ret2 || r_len != *m_len) {
 		ext4_error_inode_block(orig_inode, (sector_t)(orig_map->m_lblk),
 				       EIO, "Unable to copy data block, data will be lost!");