From 7ff7b9d8cf04ee89fc344a940fbb540827085ac5 Mon Sep 17 00:00:00 2001
From: Lai Siyao <lai.siyao@whamcloud.com>
Date: Wed, 4 Aug 2021 03:03:06 +0800
Subject: [PATCH] EX-3640 test: mkdir on MDT0 in hot-pools.sh

To mkdir on MDT0 in hot-pools.sh by default, disable default LMV on
ROOT in init_hot_pools_env().

Test-Parameters: trivial mdscount=2 mdtcount=4 testlist=hot-pools.sh
Signed-off-by: Lai Siyao <lai.siyao@whamcloud.com>
Change-Id: Ie34b35a6d79fa4b0f2c1c5a58777cf6291cd8d27
Reviewed-on: https://review.whamcloud.com/44590
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Hongchao Zhang <hongchao@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
---
 lustre/tests/hot-pools.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lustre/tests/hot-pools.sh b/lustre/tests/hot-pools.sh
index 1664046..5cee666 100644
--- a/lustre/tests/hot-pools.sh
+++ b/lustre/tests/hot-pools.sh
@@ -180,6 +180,12 @@ init_hot_pools_env() {
 
 	init_lamigo_vars
 	init_lpurge_vars
+
+	# disable filesystem-wide default LMV to mkdir on MDT0 by default
+	local dmv=$(getfattr -d -m trusted.dmv -e hex --absolute-names $MOUNT)
+
+	(( $? == 0 )) && $LFS setdirstripe -D -i 0 --max-inherit 1 $MOUNT &&
+		stack_trap "echo $dmv | setfattr --restore=-"
 }
 
 hot_pools_logfile() {
-- 
1.8.3.1