From c5c4572f8066ae5162f6831de7d7494079c8e5c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Tue, 23 Jan 2018 15:10:40 +0100
Subject: [PATCH] Mount root fs with 'discard' option by default

On LVM thin provisioning this makes manual template's root fs compacting
not needed anymore.

Fixes QubesOS/qubes-issues#2479
---
 misc/fstab | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/fstab b/misc/fstab
index dbc5a7d..05151ab 100644
--- a/misc/fstab
+++ b/misc/fstab
@@ -1,7 +1,7 @@
 # Accessible filesystems, by reference, are maintained under '/dev/disk'
 # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
 #
-/dev/mapper/dmroot /                       ext4 defaults,noatime        1 1
+/dev/mapper/dmroot /                       ext4 defaults,discard,noatime        1 1
 /dev/xvdb		/rw			auto	noauto,defaults,discard	1 2
 /rw/home        /home       none    noauto,bind,defaults 0 0
 /dev/xvdc1      swap                    swap    defaults        0 0