247 	struct inode *dst_inode = file_inode(dst_file);  in nfs42_remap_file_range()  local
248 	struct nfs_server *server = NFS_SERVER(dst_inode);  in nfs42_remap_file_range()
261 	if (IS_SWAPFILE(dst_inode) || IS_SWAPFILE(src_inode))  in nfs42_remap_file_range()
273 	if (src_inode == dst_inode)  in nfs42_remap_file_range()
279 	} else if (dst_inode < src_inode) {  in nfs42_remap_file_range()
280 		inode_lock_nested(dst_inode, I_MUTEX_PARENT);  in nfs42_remap_file_range()
284 		inode_lock_nested(dst_inode, I_MUTEX_CHILD);  in nfs42_remap_file_range()
292 	ret = nfs_sync_inode(dst_inode);  in nfs42_remap_file_range()
301 		truncate_inode_pages_range(&dst_inode->i_data, dst_off, dst_off + count - 1);  in nfs42_remap_file_range()
306 	} else if (dst_inode < src_inode) {  in nfs42_remap_file_range()
308 		inode_unlock(dst_inode);  in nfs42_remap_file_range()
310 		inode_unlock(dst_inode);  in nfs42_remap_file_range()