From 2085c6de5de1d9cd8864f85628f775bce5853012 Mon Sep 17 00:00:00 2001
From: jim-p <jimp@pfsense.org>
Date: Sat, 2 Feb 2013 21:30:31 -0500
Subject: Add a manual way for someone to set TRIM if they really want it.
 touch /root/TRIM_set and reboot to set, touch /root/TRIM_unset to clear. Have
 to reboot after setting the tunefs flag or when mount is run, it clears any
 changes. No way to do it on the fly.

---
 etc/rc | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'etc')

diff --git a/etc/rc b/etc/rc
index ca9af7f..07ab210 100755
--- a/etc/rc
+++ b/etc/rc
@@ -31,6 +31,27 @@ if [ "$PLATFORM" = "pfSense" ]; then
 	/etc/rc.dumpon
 fi
 
+TUNEFS_STATUS=`/sbin/tunefs -p / 2>&1 | /usr/bin/grep trim: | /usr/bin/awk '{print $4;}'`
+if [ -e /root/TRIM_set ] && [ "${TUNEFS_STATUS}" = "disabled" ]; then
+	echo "Enabling TRIM support"
+	/sbin/tunefs -t enable /
+	if [ "$PLATFORM" = "nanobsd" ]; then
+		/sbin/tunefs -t enable /cf
+	fi
+	echo "Rebooting in 5 seconds after enabling TRIM..."
+	sleep 5
+	/sbin/reboot
+elif [ -e /root/TRIM_unset ] && [ "${TUNEFS_STATUS}" = "enabled" ]; then
+	echo "Disabling TRIM support"
+	/sbin/tunefs -t disable /
+	if [ "$PLATFORM" = "nanobsd" ]; then
+		/sbin/tunefs -t disable /cf
+	fi
+	echo "Rebooting in 5 seconds after disabling TRIM..."
+	sleep 5
+	/sbin/reboot
+fi
+
 # Mount memory file system if it exists
 echo "Mounting filesystems..."
 
@@ -76,6 +97,9 @@ if [ ! "$PLATFORM" = "cdrom" ] ; then
 	fi
 fi
 
+/bin/rm -f /root/TRIM_set
+/bin/rm -f /root/TRIM_unset
+
 # Disable APM on ATA drives. Leaving this on will kill drives long-term, especially laptop drives, by generating excessive Load Cycles.
 if [ -f /etc/rc.disable_hdd_apm ]; then
 	/etc/rc.disable_hdd_apm
-- 
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