diff options
Diffstat (limited to 'tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh')
| -rwxr-xr-x | tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh b/tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh new file mode 100755 index 000000000000..2ca279a4a437 --- /dev/null +++ b/tests/zfs-tests/tests/functional/reservation/reservation_010_pos.ksh @@ -0,0 +1,101 @@ +#!/bin/ksh -p +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License (the "License"). +# You may not use this file except in compliance with the License. +# +# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# When distributing Covered Code, include this CDDL HEADER in each +# file and include the License file at usr/src/OPENSOLARIS.LICENSE. +# If applicable, add the following below this CDDL HEADER, with the +# fields enclosed by brackets "[]" replaced with your own identifying +# information: Portions Copyright [yyyy] [name of copyright owner] +# +# CDDL HEADER END +# + +# +# Copyright 2007 Sun Microsystems, Inc. All rights reserved. +# Use is subject to license terms. +# + +# +# Copyright (c) 2013, 2016 by Delphix. All rights reserved. +# + +. $STF_SUITE/include/libtest.shlib +. $STF_SUITE/tests/functional/reservation/reservation.shlib + +# +# DESCRIPTION: +# +# In pool with a full filesystem and a filesystem with a reservation +# destroying another filesystem should allow more data to be written to +# the full filesystem +# +# +# STRATEGY: +# 1) Create a filesystem as dataset +# 2) Create a filesystem at the same level +# 3) Set a reservation on the dataset filesystem +# 4) Fill up the second filesystem +# 5) Destroy the dataset filesystem +# 6) Verify can write more data to the full filesystem +# + +verify_runnable "both" + +log_assert "Destroying top level filesystem with reservation allows more " \ + "data to be written to another top level filesystem" + +function cleanup +{ + datasetexists $TESTPOOL/$TESTFS1 && \ + log_must zfs destroy $TESTPOOL/$TESTFS1 + + [[ -e $TESTDIR/$TESTFILE1 ]] && log_must rm -rf $TESTDIR/$TESTFILE1 + [[ -e $TESTDIR/$TESTFILE2 ]] && log_must rm -rf $TESTDIR/$TESTFILE2 +} + +log_onexit cleanup + +log_must zfs create $TESTPOOL/$TESTFS1 + +space_avail=`get_prop available $TESTPOOL` + +# +# To make sure this test doesn't take too long to execute on +# large pools, we calculate a reservation setting which when +# applied to the dataset filesystem will ensure we have +# RESV_FREE_SPACE left free in the pool. +# +((resv_size_set = space_avail - RESV_FREE_SPACE)) + +log_must zfs set reservation=$resv_size_set $TESTPOOL/$TESTFS1 + +space_avail_still=`get_prop available $TESTPOOL` + +fill_size=`expr $space_avail_still + $RESV_TOLERANCE` +write_count=`expr $fill_size / $BLOCK_SIZE` + +# Now fill up the filesystem (which doesn't have a reservation set +# and thus will use up whatever free space is left in the pool). +file_write -o create -f $TESTDIR/$TESTFILE1 -b $BLOCK_SIZE -c $write_count -d 0 +ret=$? +if (($ret != $ENOSPC)); then + log_fail "Did not get ENOSPC as expected (got $ret)." +fi + +log_must zfs destroy -f $TESTPOOL/$TESTFS1 + +log_must file_write -o create -f $TESTDIR/$TESTFILE2 \ + -b $(getconf PAGESIZE) -c 1000 -d 0 + +log_pass "Destroying top level filesystem with reservation allows more data " \ + "to be written to another top level filesystem" |