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From: Andriy Gapon <avg@FreeBSD.org>
Date: Fri, 24 Sep 2010 07:27:54 +0000 (UTC)
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Subject: svn commit: r213094 - stable/8/sbin/reboot
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Author: avg
Date: Fri Sep 24 07:27:53 2010
New Revision: 213094
URL: http://svn.freebsd.org/changeset/base/213094

Log:
  MFC r212789: nextboot: warn about limitations of /boot/nextboot.conf on ZFS

Modified:
  stable/8/sbin/reboot/nextboot.sh
Directory Properties:
  stable/8/sbin/reboot/   (props changed)

Modified: stable/8/sbin/reboot/nextboot.sh
==============================================================================
--- stable/8/sbin/reboot/nextboot.sh	Fri Sep 24 07:23:48 2010	(r213093)
+++ stable/8/sbin/reboot/nextboot.sh	Fri Sep 24 07:27:53 2010	(r213094)
@@ -50,6 +50,14 @@ if [ ${force} = "NO" -a ! -d /boot/${ker
 	exit 1
 fi
 
+df -Tn "/boot/" 2>/dev/null | while read _fs _type _other ; do
+	[ "zfs" = "${_type}" ] || continue
+	cat 1>&2 <<-EOF
+		WARNING: loader(8) has only R/O support for ZFS
+		nextboot.conf will NOT be reset in case of kernel boot failure
+	EOF
+done
+
 cat > ${nextboot_file} << EOF
 nextboot_enable="YES"
 kernel="${kernel}"