248 	struct inode *dst_inode = file_inode(dst_file);  in nfs42_remap_file_range()  local
249 	struct nfs_server *server = NFS_SERVER(dst_inode);  in nfs42_remap_file_range()
262 	if (IS_SWAPFILE(dst_inode) || IS_SWAPFILE(src_inode))  in nfs42_remap_file_range()
274 	if (src_inode == dst_inode)  in nfs42_remap_file_range()
280 	} else if (dst_inode < src_inode) {  in nfs42_remap_file_range()
281 		inode_lock_nested(dst_inode, I_MUTEX_PARENT);  in nfs42_remap_file_range()
285 		inode_lock_nested(dst_inode, I_MUTEX_CHILD);  in nfs42_remap_file_range()
293 	ret = nfs_sync_inode(dst_inode);  in nfs42_remap_file_range()
302 		truncate_inode_pages_range(&dst_inode->i_data, dst_off, dst_off + count - 1);  in nfs42_remap_file_range()
307 	} else if (dst_inode < src_inode) {  in nfs42_remap_file_range()
309 		inode_unlock(dst_inode);  in nfs42_remap_file_range()
311 		inode_unlock(dst_inode);  in nfs42_remap_file_range()