From f657594cc26df9d9ba94aa1b70c4599e849a2ef2 Mon Sep 17 00:00:00 2001
From: mickey <mickey@openbsd.org>
Date: Wed, 17 Apr 1996 05:09:13 +0000
Subject: [PATCH] Removed vax ifdefed function from kern_subr.c (from NetBSD).
 Do sync in the order of umount (vfs_syscals.c), as it was pointed by someone
 in NetBSD's lists.

---
 sys/kern/kern_subr.c    | 43 -----------------------------------------
 sys/kern/vfs_syscalls.c |  7 ++++---
 2 files changed, 4 insertions(+), 46 deletions(-)

diff --git a/sys/kern/kern_subr.c b/sys/kern/kern_subr.c
index 149c58e15e5..e0ae4093157 100644
--- a/sys/kern/kern_subr.c
+++ b/sys/kern/kern_subr.c
@@ -139,49 +139,6 @@ again:
 	return (0);
 }
 
-#ifdef vax	/* unused except by ct.c, other oddities XXX */
-/*
- * Get next character written in by user from uio.
- */
-int
-uwritec(uio)
-	struct uio *uio;
-{
-	register struct iovec *iov;
-	register int c;
-
-	if (uio->uio_resid <= 0)
-		return (-1);
-again:
-	if (uio->uio_iovcnt <= 0)
-		panic("ureadc: non-positive iovcnt");
-	iov = uio->uio_iov;
-	if (iov->iov_len == 0) {
-		uio->uio_iov++;
-		if (--uio->uio_iovcnt == 0)
-			return (-1);
-		goto again;
-	}
-	switch (uio->uio_segflg) {
-
-	case UIO_USERSPACE:
-		c = fubyte(iov->iov_base);
-		break;
-
-	case UIO_SYSSPACE:
-		c = *(u_char *) iov->iov_base;
-		break;
-	}
-	if (c < 0)
-		return (-1);
-	iov->iov_base++;
-	iov->iov_len--;
-	uio->uio_resid--;
-	uio->uio_offset++;
-	return (c);
-}
-#endif /* vax */
-
 /*
  * General routine to allocate a hash table.
  */
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 72370525422..617919acce6 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -1,3 +1,4 @@
+/*	$OpenBSD: vfs_syscalls.c,v 1.5 1996/04/17 05:09:14 mickey Exp $	*/
 /*	$NetBSD: vfs_syscalls.c,v 1.68 1996/02/09 19:01:05 christos Exp $	*/
 
 /*
@@ -429,12 +430,12 @@ sys_sync(p, v, retval)
 	register struct mount *mp, *nmp;
 	int asyncflag;
 
-	for (mp = mountlist.cqh_first; mp != (void *)&mountlist; mp = nmp) {
+	for (mp = mountlist.cqh_last; mp != (void *)&mountlist; mp = nmp) {
 		/*
 		 * Get the next pointer in case we hang on vfs_busy
 		 * while we are being unmounted.
 		 */
-		nmp = mp->mnt_list.cqe_next;
+		nmp = mp->mnt_list.cqe_prev;
 		/*
 		 * The lock check below is to avoid races with mount
 		 * and unmount.
@@ -450,7 +451,7 @@ sys_sync(p, v, retval)
 			 * Get the next pointer again, as the next filesystem
 			 * might have been unmounted while we were sync'ing.
 			 */
-			nmp = mp->mnt_list.cqe_next;
+			nmp = mp->mnt_list.cqe_prev;
 			vfs_unbusy(mp);
 		}
 	}
-- 
2.20.1