244 	struct inode *dst_inode = file_inode(dst_file);  in nfs42_remap_file_range()  local
245 	struct nfs_server *server = NFS_SERVER(dst_inode);  in nfs42_remap_file_range()
258 	if (IS_SWAPFILE(dst_inode) || IS_SWAPFILE(src_inode))  in nfs42_remap_file_range()
270 	if (src_inode == dst_inode)  in nfs42_remap_file_range()
276 	} else if (dst_inode < src_inode) {  in nfs42_remap_file_range()
277 		inode_lock_nested(dst_inode, I_MUTEX_PARENT);  in nfs42_remap_file_range()
281 		inode_lock_nested(dst_inode, I_MUTEX_CHILD);  in nfs42_remap_file_range()
289 	ret = nfs_sync_inode(dst_inode);  in nfs42_remap_file_range()
298 		truncate_inode_pages_range(&dst_inode->i_data, dst_off, dst_off + count - 1);  in nfs42_remap_file_range()
303 	} else if (dst_inode < src_inode) {  in nfs42_remap_file_range()
305 		inode_unlock(dst_inode);  in nfs42_remap_file_range()
307 		inode_unlock(dst_inode);  in nfs42_remap_file_range()