| #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" |
| |
| void |
| mountnfs(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"); |
| } |
| |
