+/*
+ * Write wrapper for special devices.
+ */
+int
+ufsspec_write(vp, uio, ioflag, cred)
+ struct vnode *vp;
+ struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+
+ /*
+ * Set update and change flags.
+ */
+ VTOI(vp)->i_flag |= IUPD|ICHG;
+ return (spec_write(vp, uio, ioflag, cred));
+}
+
+/*
+ * Close wrapper for special devices.
+ *
+ * Update the times on the inode then do device close.
+ */
+int
+ufsspec_close(vp, fflag, cred, p)
+ struct vnode *vp;
+ int fflag;
+ struct ucred *cred;
+ struct proc *p;
+{
+ register struct inode *ip = VTOI(vp);
+
+ if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED))
+ ITIMES(ip, &time, &time);
+ return (spec_close(vp, fflag, cred, p));
+}
+
+#ifdef FIFO
+/*
+ * Read wrapper for fifo's
+ */
+int
+ufsfifo_read(vp, uio, ioflag, cred)
+ struct vnode *vp;
+ struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+
+ /*
+ * Set access flag.
+ */
+ VTOI(vp)->i_flag |= IACC;
+ return (fifo_read(vp, uio, ioflag, cred));
+}
+
+/*
+ * Write wrapper for fifo's.
+ */
+int
+ufsfifo_write(vp, uio, ioflag, cred)
+ struct vnode *vp;
+ struct uio *uio;
+ int ioflag;
+ struct ucred *cred;
+{
+
+ /*
+ * Set update and change flags.
+ */
+ VTOI(vp)->i_flag |= IUPD|ICHG;
+ return (fifo_write(vp, uio, ioflag, cred));
+}
+
+/*
+ * Close wrapper for fifo's.
+ *
+ * Update the times on the inode then do device close.
+ */
+ufsfifo_close(vp, fflag, cred, p)
+ struct vnode *vp;
+ int fflag;
+ struct ucred *cred;
+ struct proc *p;
+{
+ register struct inode *ip = VTOI(vp);
+
+ if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED))
+ ITIMES(ip, &time, &time);
+ return (fifo_close(vp, fflag, cred, p));
+}
+#endif /* FIFO */
+
+/*
+ * Advisory record locking support
+ */
+int
+ufs_advlock(vp, id, op, fl, flags)
+ struct vnode *vp;
+ caddr_t id;
+ int op;
+ register struct flock *fl;
+ int flags;
+{
+ register struct inode *ip = VTOI(vp);
+ register struct lockf *lock;
+ off_t start, end;
+ int error;
+
+ /*
+ * Avoid the common case of unlocking when inode has no locks.
+ */
+ if (ip->i_lockf == (struct lockf *)0) {
+ if (op != F_SETLK) {
+ fl->l_type = F_UNLCK;
+ return (0);
+ }
+ }
+ /*
+ * Convert the flock structure into a start and end.
+ */
+ switch (fl->l_whence) {
+
+ case SEEK_SET:
+ case SEEK_CUR:
+ /*
+ * Caller is responsible for adding any necessary offset
+ * when SEEK_CUR is used.
+ */
+ start = fl->l_start;
+ break;
+
+ case SEEK_END:
+ start = ip->i_size + fl->l_start;
+ break;
+
+ default:
+ return (EINVAL);
+ }
+ if (start < 0)
+ return (EINVAL);
+ if (fl->l_len == 0)
+ end = -1;