From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 8 Aug 2019 20:05:04 +0000 (-0700)
Subject: tests/nvmeof-mp/rc: Make simulate_network_failure_loop() more robust
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=d8ce80f4ba21170fcdce077cf9aa5fb7ac7196f9;p=users%2Fsagi%2Fblktests.git

tests/nvmeof-mp/rc: Make simulate_network_failure_loop() more robust

Avoid that the following is logged in the nvmeof-mp .full log files:

ls: cannot access '/sys/class/nvme/*/device/*/nvme0n1/reset_controller': No such
file or directory
tests/nvmeof-mp/rc: line 124: : No such file or directory

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---

diff --git a/tests/nvmeof-mp/rc b/tests/nvmeof-mp/rc
index 9324dd1..7352b16 100755
--- a/tests/nvmeof-mp/rc
+++ b/tests/nvmeof-mp/rc
@@ -117,8 +117,9 @@ simulate_network_failure_loop() {
 	while [ $rc = 0 ]; do
 		sleep_until 5 ${deadline} || break
 		for d in $(held_by "$dev"); do
-			sf=$(ls -d /sys/class/nvme/*/device/*/"${d#/dev/}/reset_controller")
-			echo 1 > "$sf"
+			for sf in /sys/class/nvme/*/device/*/"${d#/dev/}/reset_controller"; do
+				[ -e "$sf" ] && echo 1 > "$sf"
+			done
 		done
 	done 2>>"$FULL"