1d583b39bSJohn Wren Kennedy#!/usr/bin/ksh 2d583b39bSJohn Wren Kennedy 3d583b39bSJohn Wren Kennedy# 4d583b39bSJohn Wren Kennedy# This file and its contents are supplied under the terms of the 5d583b39bSJohn Wren Kennedy# Common Development and Distribution License ("CDDL"), version 1.0. 6d583b39bSJohn Wren Kennedy# You may only use this file in accordance with the terms of version 7d583b39bSJohn Wren Kennedy# 1.0 of the CDDL. 8d583b39bSJohn Wren Kennedy# 9d583b39bSJohn Wren Kennedy# A full copy of the text of the CDDL should have accompanied this 10d583b39bSJohn Wren Kennedy# source. A copy of the CDDL is also available via the Internet at 11d583b39bSJohn Wren Kennedy# http://www.illumos.org/license/CDDL. 12d583b39bSJohn Wren Kennedy# 13d583b39bSJohn Wren Kennedy 14d583b39bSJohn Wren Kennedy# 15*1d32ba66SJohn Wren Kennedy# Copyright (c) 2012, 2016 by Delphix. All rights reserved. 16d583b39bSJohn Wren Kennedy# 17d583b39bSJohn Wren Kennedy 18d583b39bSJohn Wren Kennedy. $STF_SUITE/include/libtest.shlib 19d583b39bSJohn Wren Kennedy. $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib 20d583b39bSJohn Wren Kennedy 21d583b39bSJohn Wren Kennedy# 22d583b39bSJohn Wren Kennedy# Description: 23d583b39bSJohn Wren Kennedy# Verify that nopwrite works regardless of recsize property setting. 24d583b39bSJohn Wren Kennedy# 25d583b39bSJohn Wren Kennedy# Strategy: 26d583b39bSJohn Wren Kennedy# 1. Create an origin fs that's suitable to make nopwrite clones. 27d583b39bSJohn Wren Kennedy# 2. For each possible recsize, create a clone that inherits the compress and 28d583b39bSJohn Wren Kennedy# checksum, and verify overwriting the origin file consumes no new space. 29d583b39bSJohn Wren Kennedy# 30d583b39bSJohn Wren Kennedy 31d583b39bSJohn Wren Kennedyverify_runnable "global" 32d583b39bSJohn Wren Kennedyorigin="$TESTPOOL/$TESTFS" 33d583b39bSJohn Wren Kennedylog_onexit cleanup 34d583b39bSJohn Wren Kennedy 35d583b39bSJohn Wren Kennedyfunction cleanup 36d583b39bSJohn Wren Kennedy{ 37*1d32ba66SJohn Wren Kennedy datasetexists $origin && log_must zfs destroy -R $origin 38*1d32ba66SJohn Wren Kennedy log_must zfs create -o mountpoint=$TESTDIR $origin 39d583b39bSJohn Wren Kennedy} 40d583b39bSJohn Wren Kennedy 41d583b39bSJohn Wren Kennedylog_assert "nopwrite updates file metadata correctly" 42d583b39bSJohn Wren Kennedy 43*1d32ba66SJohn Wren Kennedylog_must zfs set compress=on $origin 44*1d32ba66SJohn Wren Kennedylog_must zfs set checksum=sha256 $origin 45*1d32ba66SJohn Wren Kennedydd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \ 46d583b39bSJohn Wren Kennedy >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed." 47*1d32ba66SJohn Wren Kennedyzfs snapshot $origin@a || log_fail "zfs snap failed" 48*1d32ba66SJohn Wren Kennedylog_must zfs clone $origin@a $origin/clone 49d583b39bSJohn Wren Kennedy 50d583b39bSJohn Wren Kennedyfor rs in 512 1024 2048 4096 8192 16384 32768 65536 131072 ; do 51*1d32ba66SJohn Wren Kennedy log_must zfs set recsize=$rs $origin/clone 52*1d32ba66SJohn Wren Kennedy dd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \ 53d583b39bSJohn Wren Kennedy conv=notrunc >/tmp/null 2>&1 || log_fail "dd failed." 54d583b39bSJohn Wren Kennedy log_must verify_nopwrite $origin $origin@a $origin/clone 55d583b39bSJohn Wren Kennedydone 56d583b39bSJohn Wren Kennedy 57d583b39bSJohn Wren Kennedylog_pass "nopwrite updates file metadata correctly" 58