[src/trunk]: src/etc/rc.d mountall: Mount ZFS filesystems before fstab

[roy <roy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b4aa89a2e3e1
branches:  trunk
changeset: 849419:b4aa89a2e3e1
user:      roy <roy%NetBSD.org@localhost>
date:      Sun Mar 01 15:22:55 2020 +0000

description:
mountall: Mount ZFS filesystems before fstab

This allows null mounts in fstab to reference fstab mounts.
It's highly unlikely ZFS mounts would reference anything outside of ZFS.

diffstat:

 etc/rc.d/mountall |  20 ++++++++++++--------
 1 files changed, 12 insertions(+), 8 deletions(-)

diffs (46 lines):

diff -r 6d8b1c991cb9 -r b4aa89a2e3e1 etc/rc.d/mountall
--- a/etc/rc.d/mountall Sun Mar 01 15:18:34 2020 +0000
+++ b/etc/rc.d/mountall Sun Mar 01 15:22:55 2020 +0000
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: mountall,v 1.12 2020/02/23 08:53:25 riastradh Exp $
+# $NetBSD: mountall,v 1.13 2020/03/01 15:22:55 roy Exp $
 #
 
 # REQUIRE: mountcritremote named ypbind
@@ -15,23 +15,27 @@
 mountall_start()
 {
        echo 'Mounting all file systems...'
+
+       # Mount ZFS filesystems first because fstab
+       # may try and null mount paths on ZFS.
+       if checkyesno zfs; then
+               zfs mount -a
+       fi
+
        # Mount file systems noted in fstab.
        mount -a
-       if checkyesno zfs; then
-               # Mount ZFS file systems.
-               zfs mount -a
-       fi
 }
 
 mountall_stop()
 {
        echo 'Unmounting all file systems...'
+       # Unmount file systems noted in fstab.
+       umount -a
+
+       # Unmount ZFS file systems.
        if checkyesno zfs; then
-               # Unmount ZFS file systems.
                zfs unmount -a
        fi
-       # Unmount file systems noted in fstab.
-       umount -a
 }
 
 load_rc_config $name