+ if (major(devvp->v_rdev) >= nblkdev) {
+ vrele(devvp);
+ return (ENXIO);
+ }
+ if ((mp->mnt_flag & MNT_UPDATE) == 0)
+ error = lfs_mountfs(devvp, mp, p); /* LFS */
+ else {
+ if (devvp != ump->um_devvp)
+ error = EINVAL; /* needs translation */
+ else
+ vrele(devvp);
+ }
+ if (error) {
+ vrele(devvp);
+ return (error);
+ }
+ ump = VFSTOUFS(mp);
+ fs = ump->um_lfs; /* LFS */
+#ifdef NOTLFS /* LFS */
+ (void) copyinstr(path, fs->fs_fsmnt, sizeof(fs->fs_fsmnt) - 1, &size);
+ bzero(fs->fs_fsmnt + size, sizeof(fs->fs_fsmnt) - size);
+ bcopy((caddr_t)fs->fs_fsmnt, (caddr_t)mp->mnt_stat.f_mntonname,
+ MNAMELEN);
+ (void) copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
+ &size);
+ bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
+ (void) ufs_statfs(mp, &mp->mnt_stat, p);
+#else
+ (void)copyinstr(path, fs->lfs_fsmnt, sizeof(fs->lfs_fsmnt) - 1, &size);
+ bzero(fs->lfs_fsmnt + size, sizeof(fs->lfs_fsmnt) - size);
+ bcopy((caddr_t)fs->lfs_fsmnt, (caddr_t)mp->mnt_stat.f_mntonname,
+ MNAMELEN);
+ (void) copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
+ &size);
+ bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
+ (void) lfs_statfs(mp, &mp->mnt_stat, p);
+#endif
+ return (0);
+}
+
+/*
+ * Common code for mount and mountroot
+ * LFS specific
+ */
+static int
+lfs_mountfs(devvp, mp, p)
+ register struct vnode *devvp;
+ struct mount *mp;
+ struct proc *p;
+{
+ extern struct vnode *rootvp;
+ register struct lfs *fs;
+ register struct ufsmount *ump;
+ struct inode *ip;
+ struct vnode *vp;
+ struct buf *bp;
+ struct partinfo dpart;
+ daddr_t seg_addr;
+ dev_t dev;
+ int error, i, ronly, size;
+
+ if (error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p))
+ return (error);
+
+ if (VOP_IOCTL(devvp, DIOCGPART, (caddr_t)&dpart, FREAD, NOCRED, p) != 0)
+ size = DEV_BSIZE;
+ else {
+ size = dpart.disklab->d_secsize;
+#ifdef NEVER_USED
+ dpart.part->p_fstype = FS_LFS;
+ dpart.part->p_fsize = fs->lfs_fsize; /* frag size */
+ dpart.part->p_frag = fs->lfs_frag; /* frags per block */
+ dpart.part->p_cpg = fs->lfs_segshift; /* segment shift */
+#endif
+ }
+
+ /* Don't free random space on error. */
+ bp = NULL;
+ ump = NULL;
+
+ /* Read in the superblock. */
+ if (error = bread(devvp, LFS_LABELPAD / size, LFS_SBPAD, NOCRED, &bp))