From 4c34b23761e69bcc1e9671795175081800e89541 Mon Sep 17 00:00:00 2001
From: Fred Park <fred.park@microsoft.com>
Date: Fri, 17 Mar 2017 11:55:07 -0700
Subject: [PATCH] Force enable ssd optimizations for btrfs+premium

---
 scripts/shipyard_remotefs_bootstrap.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/shipyard_remotefs_bootstrap.sh b/scripts/shipyard_remotefs_bootstrap.sh
index 0707492..7007ce4 100755
--- a/scripts/shipyard_remotefs_bootstrap.sh
+++ b/scripts/shipyard_remotefs_bootstrap.sh
@@ -649,9 +649,10 @@ if [ $attach_disks -eq 0 ]; then
                 mount_options="defaults,$mount_options"
             fi
             if [ $premium_storage -eq 1 ]; then
-                # disable barriers due to RO cache
+                # disable barriers due to cache
                 if [ $filesystem == "btrfs" ]; then
-                    mount_options+=",nobarrier"
+                    # also enable ssd optimizations on btrfs
+                    mount_options+=",nobarrier,ssd"
                 else
                     mount_options+=",barrier=0"
                 fi