1#!/bin/ksh 2 3# 4# This file and its contents are supplied under the terms of the 5# Common Development and Distribution License ("CDDL"), version 1.0. 6# You may only use this file in accordance with the terms of version 7# 1.0 of the CDDL. 8# 9# A full copy of the text of the CDDL should have accompanied this 10# source. A copy of the CDDL is also available via the Internet at 11# http://www.illumos.org/license/CDDL. 12# 13 14# 15# Copyright (c) 2014, 2016 by Delphix. All rights reserved. 16# 17 18# 19# Description: 20# Verify that holes can be written and read back correctly in ZFS. 21# 22# Strategy: 23# 1. Create a testfile with varying holes and data throughout the file. 24# 2. Verify that each created file has the correct number of holes and 25# data blocks as seen by both lseek and libzfs. 26# 3. Do the same verification for a largefile. 27# 4. Repeat for each recsize. 28# 29 30. $STF_SUITE/include/libtest.shlib 31. $STF_SUITE/tests/functional/holes/holes.shlib 32 33verify_runnable "both" 34testfile="$TESTDIR/testfile" 35 36for bs in 512 1024 2048 4096 8192 16384 32768 65536 131072; do 37 log_must zfs set recsize=$bs $TESTPOOL/$TESTFS 38 39 # 40 # Create combinations of holes and data to verify holes ending files 41 # and the like. (hhh, hhd, hdh...) 42 # 43 log_must mkholes -h 0:$((bs * 6)) $testfile 44 verify_holes_and_data_blocks $testfile 6 0 45 log_must rm $testfile 46 47 log_must mkholes -h 0:$((bs * 4)) -d $((bs * 4)):$((bs * 2)) $testfile 48 verify_holes_and_data_blocks $testfile 4 2 49 log_must rm $testfile 50 51 log_must mkholes -h 0:$((bs * 2)) -d $((bs * 2)):$((bs * 2)) \ 52 -h $((bs * 4)):$((bs * 2)) $testfile 53 verify_holes_and_data_blocks $testfile 4 2 54 log_must rm $testfile 55 56 log_must mkholes -h 0:$((bs * 2)) -d $((bs * 2)):$((bs * 4)) $testfile 57 verify_holes_and_data_blocks $testfile 2 4 58 log_must rm $testfile 59 60 log_must mkholes -d 0:$((bs * 2)) -h $((bs * 2)):$((bs * 4)) $testfile 61 verify_holes_and_data_blocks $testfile 4 2 62 log_must rm $testfile 63 64 log_must mkholes -d 0:$((bs * 2)) -h $((bs * 2)):$((bs * 2)) \ 65 -d $((bs * 4)):$((bs * 2)) $testfile 66 verify_holes_and_data_blocks $testfile 2 4 67 log_must rm $testfile 68 69 log_must mkholes -d 0:$((bs * 4)) -h $((bs * 4)):$((bs * 2)) $testfile 70 verify_holes_and_data_blocks $testfile 2 4 71 log_must rm $testfile 72 73 log_must mkholes -d 0:$((bs * 6)) $testfile 74 verify_holes_and_data_blocks $testfile 0 6 75 log_must rm $testfile 76 77 # Verify holes are correctly seen past the largefile limit. 78 len=$((1024**3 * 5)) 79 nblks=$((len / bs)) 80 log_must mkholes -h 0:$len -d $len:$bs $testfile 81 verify_holes_and_data_blocks $testfile $nblks 1 82 log_must rm $testfile 83done 84 85log_pass "Basic hole tests pass." 86