zfs/tests/zfs-tests/tests/functional/removal/removal_reservation.ksh

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#! /bin/ksh -p
#
# CDDL HEADER START
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
# CDDL HEADER END
#
#
# Copyright (c) 2014, 2017 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/removal/removal.kshlib
TMPDIR=${TMPDIR:-$TEST_BASE_DIR}
log_must mkfile 1g $TMPDIR/dsk1
log_must mkfile 1g $TMPDIR/dsk2
DISKS="$TMPDIR/dsk1 $TMPDIR/dsk2"
REMOVEDISK=$TMPDIR/dsk1
default_setup_noexit "$DISKS"
function cleanup
{
default_cleanup_noexit
log_must rm -f $DISKS
}
log_onexit cleanup
log_must zfs set compression=off $TESTPOOL/$TESTFS
# Write a little under half the pool.
log_must file_write -o create -f $TESTDIR/$TESTFILE1 -b $((2**20)) -c $((2**9))
#
# Start a writing thread to ensure the removal will take a while.
# This will automatically die when we destroy the pool.
#
start_random_writer $TESTDIR/$TESTFILE1
function callback
{
# Attempt to write more than the new pool will be able to handle.
file_write -o create -f $TESTDIR/$TESTFILE2 -b $((2**20)) -c $((2**9))
zret=$?
ENOSPC=28
log_note "file_write returned $zret"
(( $zret == $ENOSPC )) || log_fail "Did not get ENOSPC during removal."
}
log_must attempt_during_removal $TESTPOOL $REMOVEDISK callback
log_pass "Removal properly sets reservation."