diff options
Diffstat (limited to 'tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh')
| -rwxr-xr-x | tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh b/tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh new file mode 100755 index 000000000..8b9054ef3 --- /dev/null +++ b/tests/zfs-tests/tests/functional/compression/compress_004_pos.ksh @@ -0,0 +1,141 @@ +#!/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 by Delphix. All rights reserved. +# + +. $STF_SUITE/include/libtest.shlib + +# +# DESCRIPTION: +# With 'compression' set, a file with non-power-of-2 blocksize storage space +# can be freed as will normally. +# +# STRATEGY: +# 1. Set 'compression' or 'compress' to on or lzjb +# 2. Set different recordsize with ZFS filesystem +# 3. Repeatedly using 'randfree_file' to create a file and then free its +# storage space with different range, the system should work normally. +# + +verify_runnable "both" + +function cleanup +{ + $RM -f $TESTDIR/* +} + +function create_free_testing #<file size> <file> +{ + typeset -i fsz=$1 + typeset file=$2 + typeset -i start=0 + typeset -i len=0 + typeset -i dist=0 + + for start in 0 `expr $RANDOM % $fsz` + do + (( dist = fsz - start )) + for len in `expr $RANDOM % $dist` $dist \ + `expr $start + $dist`; do + + # Zero length results in EINVAL for fallocate(2). + if is_linux; then + if (( len == 0 )); then + continue + fi + fi + + log_must $RANDFREE_FILE -l fsz -s $start \ + -n $len $file + [[ -e $file ]] && \ + log_must $RM -f $file + done + done +} + + +log_assert "Creating non-power-of-2 blocksize file and freeing the file \ + storage space at will should work normally with compression setting" +log_onexit cleanup + +fs=$TESTPOOL/$TESTFS +single_blk_file=$TESTDIR/singleblkfile.$$ +multi_blk_file=$TESTDIR/multiblkfile.$$ +typeset -i blksize=512 +typeset -i fsize=0 +typeset -i avail=0 +typeset -i blknum=0 + +for propname in "compression" "compress" +do + for value in $(get_compress_opts zfs_compress) + do + log_must $ZFS set compression=$value $fs + real_val=$(get_prop $propname $fs) + if [[ $value == "gzip-6" ]]; then + value="gzip" + fi + [[ $real_val != $value ]] && \ + log_fail "Set property $propname=$value failed." + + (( blksize = 512 )) + while (( blksize <= 131072 )); do + log_must $ZFS set recordsize=$blksize $fs + + # doing single block testing + (( fsize = $RANDOM )) + if (( fsize > blksize )); then + (( fsize = fsize % blksize )) + fi + if (( (fsize % 2) == 0 )); then + #make sure fsize is non-power-of-2 + (( fsize = fsize + 1 )) + fi + create_free_testing $fsize $single_blk_file + + # doing multiple blocks testing + avail=$(get_prop available $fs) + (( blknum = avail / blksize )) + # we just test <10 multi-blocks to limit testing time + (( blknum = blknum % 9 )) + while (( blknum < 2 )); do + (( blknum = blknum + $RANDOM % 9 )) + done + if (( (blknum % 2) == 0 )); then + (( blknum = blknum + 1 )) # keep blknum as odd + fi + (( fsize = blknum * blksize )) + create_free_testing $fsize $multi_blk_file + + (( blksize = blksize * 2 )) + done + done +done + +log_pass "Creating and freeing non-power-of-2 blocksize file work as expected." |