1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# This file and its contents are supplied under the terms of the 6# Common Development and Distribution License ("CDDL"), version 1.0. 7# You may only use this file in accordance with the terms of version 8# 1.0 of the CDDL. 9# 10# A full copy of the text of the CDDL should have accompanied this 11# source. A copy of the CDDL is also available via the Internet at 12# http://www.illumos.org/license/CDDL. 13# 14# CDDL HEADER END 15# 16 17# 18# Copyright (c) 2019 by Tim Chase. All rights reserved. 19# Copyright (c) 2019 Lawrence Livermore National Security, LLC. 20# Copyright 2019 Joyent, Inc. 21# 22 23. $STF_SUITE/include/libtest.shlib 24 25verify_runnable "global" 26 27typeset -i max_discard=0 28if is_linux; then 29 DISK1=${DISKS%% *} 30 31 if [[ -b $DEV_RDSKDIR/$DISK1 ]]; then 32 max_discard=$(lsblk -Dbn $DEV_RDSKDIR/$DISK1 | awk '{ print $4; exit }') 33 fi 34else 35 for dsk in $DISKS; do 36 if has_unmap $DEV_RDSKDIR/${dsk}s0; then 37 max_discard=1 38 fi 39 done 40fi 41 42if test $max_discard -eq 0; then 43 log_unsupported "DISKS do not support discard (TRIM/UNMAP)" 44fi 45 46log_pass 47