#include <u.h>#include <sys/socket.h>#include <sys/mount.h>#include <linux/version.h>#if LINUX_VERSION_CODE < 0x020600#	define __KERNEL__#	include <linux/nfs.h>#	undef __KERNEL__#else#	include <linux/nfs.h>#endif#include <linux/nfs2.h>#include <linux/nfs_mount.h>#include <libc.h>#include "mountnfs.h" voidmountnfs(int proto, struct sockaddr_in *sa, uchar *handle, int nhandle, char *mtpt){	int mflag, fd;	struct nfs_mount_data nfs; 	fd = socket(AF_INET, proto, proto==SOCK_STREAM ? IPPROTO_TCP : IPPROTO_UDP);	if(fd < 0)		sysfatal("socket: %r"); 	memset(&nfs, 0, sizeof nfs);	nfs.version = NFS_MOUNT_VERSION;	nfs.fd = fd;	nfs.flags =		NFS_MOUNT_SOFT|		NFS_MOUNT_INTR|		NFS_MOUNT_NOAC|		NFS_MOUNT_NOCTO|		NFS_MOUNT_VER3|		NFS_MOUNT_NONLM;	if(proto==SOCK_STREAM)		nfs.flags |= NFS_MOUNT_TCP;	nfs.rsize = 8192;	nfs.wsize = 8192;	nfs.timeo = 120;	nfs.retrans = 2;	nfs.acregmin = 60;	nfs.acregmax = 600;	nfs.acdirmin = 60;	nfs.acdirmax = 600;	nfs.addr = *sa;	strcpy(nfs.hostname, "backup");	nfs.namlen = 1024;	nfs.bsize = 8192;	memcpy(nfs.root.data, handle, nhandle);	nfs.root.size = nhandle;	mflag = MS_NOATIME|MS_NODEV|MS_NODIRATIME|		MS_NOEXEC|MS_NOSUID|MS_RDONLY; 	if(mount("backup:/", mtpt, "nfs", mflag, &nfs) < 0)		sysfatal("mount: %r");}