From 1b3f04c26e27fb59a22aaa995b49f58b834e773a Mon Sep 17 00:00:00 2001
From: Jim Rees <rees@umich.edu>
Date: Thu, 7 Nov 2002 22:55:27 +0000
Subject: [PATCH] openbsd-20021107

fix afs_unmount
make osi_NetReceive sleep at shutdown so it won't loop forever
---
 src/afs/OBSD/osi_vfsops.c   | 51 ++++++++++++++++++++++++++-----------
 src/afs/OBSD/osi_vnodeops.c |  9 ++++---
 src/rx/OBSD/rx_knet.c       |  4 ++-
 3 files changed, 45 insertions(+), 19 deletions(-)

diff --git a/src/afs/OBSD/osi_vfsops.c b/src/afs/OBSD/osi_vfsops.c
index 3b05ab2c4..c16c0c56b 100644
--- a/src/afs/OBSD/osi_vfsops.c
+++ b/src/afs/OBSD/osi_vfsops.c
@@ -233,7 +233,7 @@ struct proc *p;
     AFS_GLOCK();
     AFS_STATCNT(afs_mount);
 
-#ifdef DISCONN
+#ifdef AFS_DISCON_ENV
     /* initialize the vcache entries before we start using them */
 
     /* XXX find a better place for this if possible  */
@@ -263,21 +263,42 @@ struct mount *afsp;
 int flags;
 struct proc *p;
 {
-    int err;
     extern int sys_ioctl(), sys_setgroups();
 
-    err = afs_unmount(afsp, flags);
-    if (err == 0) {
-	/* give up syscall entries for ioctl & setgroups, which we've stolen */
-	sysent[SYS_ioctl].sy_call = sys_ioctl;
-	sysent[SYS_setgroups].sy_call = sys_setgroups;
-	/* give up the stolen syscall entry */
-	sysent[AFS_SYSCALL].sy_narg = 0;
-	sysent[AFS_SYSCALL].sy_argsize = 0;
-	sysent[AFS_SYSCALL].sy_call = afs_badcall;
-	printf("AFS unmounted--use `/sbin/modunload -i %d' to unload before restarting AFS\n", lkmid);
+    AFS_STATCNT(afs_unmount);
+#ifdef AFS_DISCON_ENV
+    give_up_cbs();
+#endif
+    if (!afs_globalVFS) {
+	printf("afs already unmounted\n");
+	return 0;
     }
-    return err;
+    if (afs_globalVp)
+	AFS_RELE(AFSTOV(afs_globalVp));
+    afs_globalVp = NULL;
+
+    vflush(afsp, NULLVP, 0); /* don't support forced */
+    afsp->mnt_data = NULL;
+#ifdef  AFS_GLOBAL_SUNLOCK
+    mutex_enter(&afs_global_lock);
+#endif
+    afs_globalVFS = 0;
+    afs_cold_shutdown = 1;
+    afs_shutdown();			/* XXX */
+#ifdef  AFS_GLOBAL_SUNLOCK
+    mutex_exit(&afs_global_lock);
+#endif
+
+    /* give up syscall entries for ioctl & setgroups, which we've stolen */
+    sysent[SYS_ioctl].sy_call = sys_ioctl;
+    sysent[SYS_setgroups].sy_call = sys_setgroups;
+
+    /* give up the stolen syscall entry */
+    sysent[AFS_SYSCALL].sy_narg = 0;
+    sysent[AFS_SYSCALL].sy_argsize = 0;
+    sysent[AFS_SYSCALL].sy_call = afs_badcall;
+    printf("AFS unmounted--use `/sbin/modunload -i %d' to unload before restarting AFS\n", lkmid);
+    return 0;
 }
 
 static int
@@ -360,7 +381,7 @@ int
 afs_sync(struct osi_vfs *afsp)
 {
     AFS_STATCNT(afs_sync);
-#if defined(DISCONN) && !defined(AFS_OBSD_ENV)
+#if defined(AFS_DISCON_ENV) && !defined(AFS_OBSD_ENV)
     /* Can't do this in OpenBSD 2.7, it faults when called from apm_suspend() */
     store_dirty_vcaches();
 #endif
@@ -431,7 +452,7 @@ afsinit()
 
     sysent[AFS_SYSCALL].sy_call = afs3_syscall;
     sysent[AFS_SYSCALL].sy_narg = 6;
-    sysent[AFS_SYSCALL].sy_argsize = 6*sizeof(long);
+    sysent[AFS_SYSCALL].sy_argsize = 6 * sizeof(long);
     sysent[54].sy_call = afs_xioctl;
     sysent[80].sy_call = Afs_xsetgroups;
 
diff --git a/src/afs/OBSD/osi_vnodeops.c b/src/afs/OBSD/osi_vnodeops.c
index 3ea68b35b..57d88ae8d 100644
--- a/src/afs/OBSD/osi_vnodeops.c
+++ b/src/afs/OBSD/osi_vnodeops.c
@@ -81,7 +81,7 @@ RCSID("$Header$");
 #include "afs/nfsclient.h"
 #include "afs/afs_osidnlc.h"
 
-#ifdef DISCONN
+#ifdef AFS_DISCON_ENV
 extern int afs_FlushVS(struct vcache *tvc);
 #endif
 
@@ -817,7 +817,7 @@ afs_nbsd_reclaim(ap)
     vnode_pager_uncache(vp);
 #endif
 
-#ifndef DISCONN
+#ifndef AFS_DISCON_ENV
     error = afs_FlushVCache(avc, &slept); /* tosses our stuff from vnode */
 #else
     /* reclaim the vnode and the in-memory vcache, but keep the on-disk vcache */
@@ -878,7 +878,7 @@ afs_nbsd_bmap(ap)
 
     AFS_STATCNT(afs_bmap);
     if (ap->a_bnp)
-	ap->a_bnp = ap->a_bn * (8192 / DEV_BSIZE);
+	ap->a_bnp = (daddr_t *) (ap->a_bn * (8192 / DEV_BSIZE));
     if (ap->a_vpp)
 	*ap->a_vpp = (vcp) ? AFSTOV(vcp) : NULL;
     return 0;
@@ -981,6 +981,9 @@ afs_nbsd_pathconf(ap)
     return 0;
 }
 
+extern int
+afs_lockctl(struct vcache *avc, struct AFS_FLOCK *af, int acmd, struct AFS_UCRED *acred, pid_t clid);
+
 /*
  * Advisory record locking support (fcntl() POSIX style)
  */
diff --git a/src/rx/OBSD/rx_knet.c b/src/rx/OBSD/rx_knet.c
index a9dc37de7..ad9c36793 100644
--- a/src/rx/OBSD/rx_knet.c
+++ b/src/rx/OBSD/rx_knet.c
@@ -46,8 +46,10 @@ int osi_NetReceive(osi_socket asocket, struct sockaddr_in *addr, struct iovec *d
     if (haveGlock)
         AFS_GLOCK();
 
-    if (code)
+    if (code && afs_termState != AFSOP_STOP_RXK_LISTENER) {
+	afs_osi_Sleep(&afs_termState);
 	return code;
+    }
 
     *alength -= u.uio_resid;
     if (addr && nam) {
-- 
2.39.5