| #!/bin/ksh |
| |
| # |
| # 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. |
| # |
| |
| # |
| # Copyright (c) 2012, 2016 by Delphix. All rights reserved. |
| # |
| |
| . $STF_SUITE/include/libtest.shlib |
| . $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib |
| |
| # |
| # Description: |
| # Verify that nopwrite still updates file metadata correctly |
| # |
| # Strategy: |
| # 1. Create a clone with nopwrite enabled. |
| # 2. Write to the file in that clone and verify the mtime and ctime change, |
| # but the atime does not. |
| # |
| |
| verify_runnable "global" |
| origin="$TESTPOOL/$TESTFS" |
| log_onexit cleanup |
| |
| function cleanup |
| { |
| datasetexists $origin && log_must zfs destroy -R $origin |
| log_must zfs create -o mountpoint=$TESTDIR $origin |
| } |
| |
| log_assert "nopwrite updates file metadata correctly" |
| |
| log_must zfs set compress=on $origin |
| log_must zfs set checksum=sha256 $origin |
| dd if=/dev/urandom of=$TESTDIR/file bs=1024k count=$MEGS conv=notrunc \ |
| >/dev/null 2>&1 || log_fail "dd into $TESTDIR/file failed." |
| zfs snapshot $origin@a || log_fail "zfs snap failed" |
| log_must zfs clone $origin@a $origin/clone |
| |
| if is_linux; then |
| o_atime=$(stat -c %X $TESTDIR/clone/file) |
| o_ctime=$(stat -c %Z $TESTDIR/clone/file) |
| o_mtime=$(stat -c %Y $TESTDIR/clone/file) |
| else |
| o_atime=$(ls -E% all $TESTDIR/clone/file | awk '/atime/ {print $4}') |
| o_ctime=$(ls -E% all $TESTDIR/clone/file | awk '/ctime/ {print $4}') |
| o_mtime=$(ls -E% all $TESTDIR/clone/file | awk '/mtime/ {print $4}') |
| fi |
| |
| sleep 1 |
| dd if=/$TESTDIR/file of=/$TESTDIR/clone/file bs=1024k count=$MEGS \ |
| conv=notrunc >/dev/null 2>&1 || log_fail "dd failed." |
| sleep 1 |
| |
| if is_linux; then |
| atime=$(stat -c %X $TESTDIR/clone/file) |
| ctime=$(stat -c %Z $TESTDIR/clone/file) |
| mtime=$(stat -c %Y $TESTDIR/clone/file) |
| else |
| atime=$(ls -E% all $TESTDIR/clone/file | awk '/atime/ {print $4}') |
| ctime=$(ls -E% all $TESTDIR/clone/file | awk '/ctime/ {print $4}') |
| mtime=$(ls -E% all $TESTDIR/clone/file | awk '/mtime/ {print $4}') |
| fi |
| |
| [[ $o_atime = $atime ]] || log_fail "atime changed: $o_atime $atime" |
| [[ $o_ctime = $ctime ]] && log_fail "ctime unchanged: $o_ctime $ctime" |
| [[ $o_mtime = $mtime ]] && log_fail "mtime unchanged: $o_mtime $mtime" |
| |
| log_must verify_nopwrite $origin $origin@a $origin/clone |
| |
| log_pass "nopwrite updates file metadata correctly" |