From 96abf38c78a28d06a15556d68fea7f1b8b4f4ace Mon Sep 17 00:00:00 2001
From: CyberLeo <cyberleo@cyberleo.net>
Date: Sat, 13 Feb 2010 15:35:59 -0600
Subject: [PATCH] Patch etc/rc.d/zfs to mount a tmpfs over /zfs if / is
 read-only, for holding zfs mounts

---
 patch/etc_rc.d_zfs-tmpfs-mountpoint.patch | 30 +++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 patch/etc_rc.d_zfs-tmpfs-mountpoint.patch

diff --git a/patch/etc_rc.d_zfs-tmpfs-mountpoint.patch b/patch/etc_rc.d_zfs-tmpfs-mountpoint.patch
new file mode 100644
index 0000000..ff01ae6
--- /dev/null
+++ b/patch/etc_rc.d_zfs-tmpfs-mountpoint.patch
@@ -0,0 +1,30 @@
+--- etc/rc.d/zfs	2010-01-25 06:27:11.000000000 +0000
++++ etc/rc.d/zfs	2009-04-12 16:59:35.000000000 +0000
+@@ -23,6 +23,14 @@
+ 
+ zfs_start_main()
+ {
++	# If root is read-only, mount a tmpfs on /zfs to provide
++	#  a writable mountpoint, if not already
++	if [ -d /zfs ] && mount | grep ' on / ' | grep -q 'read-only' && \
++	  ! mount | grep -q ' on /zfs (tmpfs'
++	then
++		mount -t tmpfs -o size=65536 tmpfs /zfs
++	fi
++	
+ 	zfs mount -a
+ 	zfs share -a
+ 	if [ ! -r /etc/zfs/exports ]; then
+@@ -50,6 +58,12 @@
+ {
+ 	zfs unshare -a
+ 	zfs unmount -a
++
++	# If /zfs is a tmpfs, unmount it
++	if mount | grep -q ' on /zfs (tmpfs'
++	then
++		umount -f /zfs
++	fi
+ }
+ 
+ zfs_stop()
-- 
2.42.0