int ext2fs_mountroot(void) { extern struct vnode *rootvp; struct m_ext2fs *fs; struct mount *mp; struct ufsmount *ump; int error; if (device_class(root_device) != DV_DISK) return ENODEV; if ((error = vfs_rootmountalloc(MOUNT_EXT2FS, "root_device", &mp))) { vrele(rootvp); return error; } if ((error = ext2fs_mountfs(rootvp, mp)) != 0) { vfs_unbusy(mp, false, NULL); vfs_destroy(mp); return error; } mountlist_append(mp); ump = VFSTOUFS(mp); fs = ump->um_e2fs; ext2fs_sb_setmountinfo(fs, mp); (void)ext2fs_statvfs(mp, &mp->mnt_stat); vfs_unbusy(mp, false, NULL); setrootfstime((time_t)fs->e2fs.e2fs_wtime); return 0; }
int ext2fs_mountroot(void) { // printf("ext2fs_mountroot\n"); extern struct vnode *rootvp; struct m_ext2fs *fs; struct mount *mp; struct ufsmount *ump; int error; if (device_class(root_device) != DV_DISK) return (ENODEV); if ((error = vfs_rootmountalloc(MOUNT_EXT2FS, "root_device", &mp))) { vrele(rootvp); return (error); } if ((error = ext2fs_mountfs(rootvp, mp)) != 0) { vfs_unbusy(mp, false, NULL); vfs_destroy(mp); return (error); } mountlist_append(mp); ump = VFSTOUFS(mp); fs = ump->um_e2fs; memset(fs->e2fs_fsmnt, 0, sizeof(fs->e2fs_fsmnt)); (void) copystr(mp->mnt_stat.f_mntonname, fs->e2fs_fsmnt, sizeof(fs->e2fs_fsmnt) - 1, 0); if (fs->e2fs.e2fs_rev > E2FS_REV0) { memset(fs->e2fs.e2fs_fsmnt, 0, sizeof(fs->e2fs.e2fs_fsmnt)); (void) copystr(mp->mnt_stat.f_mntonname, fs->e2fs.e2fs_fsmnt, sizeof(fs->e2fs.e2fs_fsmnt) - 1, 0); } (void)ext2fs_statvfs(mp, &mp->mnt_stat); vfs_unbusy(mp, false, NULL); setrootfstime((time_t)fs->e2fs.e2fs_wtime); return (0); }
/* * Mount a remote root fs via. NFS. It goes like this: * - Call nfs_boot_init() to fill in the nfs_diskless struct * - build the rootfs mount point and call mountnfs() to do the rest. */ int nfs_mountroot(void) { struct timespec ts; struct nfs_diskless *nd; struct vattr attr; struct mount *mp; struct vnode *vp; struct lwp *l; long n; int error; l = curlwp; /* XXX */ if (device_class(root_device) != DV_IFNET) return (ENODEV); /* * XXX time must be non-zero when we init the interface or else * the arp code will wedge. [Fixed now in if_ether.c] * However, the NFS attribute cache gives false "hits" when the * current time < nfs_attrtimeo(nmp, np) so keep this in for now. */ if (time_second < NFS_MAXATTRTIMO) { ts.tv_sec = NFS_MAXATTRTIMO; ts.tv_nsec = 0; tc_setclock(&ts); } /* * Call nfs_boot_init() to fill in the nfs_diskless struct. * Side effect: Finds and configures a network interface. */ nd = kmem_zalloc(sizeof(*nd), KM_SLEEP); error = nfs_boot_init(nd, l); if (error) { kmem_free(nd, sizeof(*nd)); return (error); } /* * Create the root mount point. */ error = nfs_mount_diskless(&nd->nd_root, "/", &mp, &vp, l); if (error) goto out; printf("root on %s\n", nd->nd_root.ndm_host); /* * Link it into the mount list. */ mountlist_append(mp); rootvp = vp; mp->mnt_vnodecovered = NULLVP; vfs_unbusy(mp, false, NULL); /* Get root attributes (for the time). */ vn_lock(vp, LK_SHARED | LK_RETRY); error = VOP_GETATTR(vp, &attr, l->l_cred); VOP_UNLOCK(vp); if (error) panic("nfs_mountroot: getattr for root"); n = attr.va_atime.tv_sec; #ifdef DEBUG printf("root time: 0x%lx\n", n); #endif setrootfstime(n); out: if (error) nfs_boot_cleanup(nd, l); kmem_free(nd, sizeof(*nd)); return (error); }