From fa7765e8b4da8be0da0fdcdf61fe86e524bc998c Mon Sep 17 00:00:00 2001
From: Miloslav Trmac <mitr@volny.cz>
Date: Fri, 3 Feb 2006 05:08:22 +0000
Subject: Try to unmount tmpfs filesystems before swapoff (#174000)

---
 rc.d/init.d/halt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rc.d/init.d/halt b/rc.d/init.d/halt
index 0afe13b4..44d4eaaf 100755
--- a/rc.d/init.d/halt
+++ b/rc.d/init.d/halt
@@ -119,6 +119,11 @@ esac
 
 runcmd $"Syncing hardware clock to system time" /sbin/hwclock $CLOCKFLAGS
 
+# Try to unmount tmpfs filesystems to avoid swapping them in.  Ignore failures.
+tmpfs=$(awk '$2 ~ /^\/($|proc|dev)/ { next; }
+	     $3 == "tmpfs" { print $2; }' /proc/mounts | sort -r)
+[ -n "$tmpfs" ] && umount $tmpfs 2>/dev/null
+
 # Turn off swap, then unmount file systems.
 [ -f /proc/swaps ] && SWAPS=`awk '! /^Filename/ { print $1 }' /proc/swaps`
 [ -n "$SWAPS" ] && runcmd $"Turning off swap: " swapoff $SWAPS
-- 
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