From 2a885960ec0ddf44c357e6ae2d544694cdd558dd Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Mon, 21 Dec 2015 18:36:26 +1100 Subject: [PATCH] reflink: test a big CoW operation Test what happens when we send largeish buffers to CoW all at once. Signed-off-by: Darrick J. Wong Signed-off-by: Dave Chinner --- tests/generic/242 | 99 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/242.out | 13 ++++++ tests/generic/243 | 99 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/243.out | 13 ++++++ tests/generic/group | 2 + 5 files changed, 226 insertions(+) create mode 100755 tests/generic/242 create mode 100644 tests/generic/242.out create mode 100755 tests/generic/243 create mode 100644 tests/generic/243.out diff --git a/tests/generic/242 b/tests/generic/242 new file mode 100755 index 00000000..5f1f502e --- /dev/null +++ b/tests/generic/242 @@ -0,0 +1,99 @@ +#! /bin/bash +# FS QA Test No. 242 +# +# Reflink two large files and CoW them in big chunks. +# +# This test is dependent on the system page size, so we cannot use md5 in +# the golden output; we can only compare to a check file. +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename "$0"` +seqres="$RESULT_DIR/$seq" +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_scratch_reflink +_require_cp_reflink + +rm -f "$seqres.full" + + +echo "Format and mount" +_scratch_mkfs > "$seqres.full" 2>&1 +_scratch_mount >> "$seqres.full" 2>&1 + +TESTDIR="$SCRATCH_MNT/test-$seq" +rm -rf $TESTDIR +mkdir $TESTDIR + +BLKSZ=65536 +NR=6400 +BSZ=1280 + +FREE_BLOCKS=$(stat -f -c '%a' "$TESTDIR") +REAL_BLKSZ=$(stat -f -c '%S' "$TESTDIR") +SPACE_NEEDED=$(((BLKSZ * NR * 3) * 5 / 4)) +SPACE_AVAIL=$((FREE_BLOCKS * REAL_BLKSZ)) +test $SPACE_NEEDED -gt $SPACE_AVAIL && _notrun "Not enough space. $SPACE_AVAIL < $SPACE_NEEDED" + +echo "Create the original files" +"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((BLKSZ * BSZ)) 0 $((BLKSZ * NR))" "$TESTDIR/file1" >> "$seqres.full" +_cp_reflink "$TESTDIR/file1" "$TESTDIR/file2" >> "$seqres.full" +"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((BLKSZ * BSZ)) 0 $((BLKSZ * NR))" "$TESTDIR/file2.chk" >> "$seqres.full" +_scratch_remount + +echo "Compare files" +md5sum "$TESTDIR/file1" | _filter_scratch +md5sum "$TESTDIR/file2" | _filter_scratch +md5sum "$TESTDIR/file2.chk" | _filter_scratch + +echo "CoW and unmount" +"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((BLKSZ * BSZ)) 0 $((BLKSZ * NR))" "$TESTDIR/file2" >> "$seqres.full" +"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((BLKSZ * BSZ)) 0 $((BLKSZ * NR))" "$TESTDIR/file2.chk" >> "$seqres.full" +_scratch_remount + +echo "Compare files" +md5sum "$TESTDIR/file1" | _filter_scratch +md5sum "$TESTDIR/file2" | _filter_scratch +md5sum "$TESTDIR/file2.chk" | _filter_scratch + +echo "Check for damage" +umount "$SCRATCH_MNT" +_check_scratch_fs + +# success, all done +status=0 +exit diff --git a/tests/generic/242.out b/tests/generic/242.out new file mode 100644 index 00000000..ef9a5746 --- /dev/null +++ b/tests/generic/242.out @@ -0,0 +1,13 @@ +QA output created by 242 +Format and mount +Create the original files +Compare files +01768a16d33c9bd21dc67a7fac006ee1 SCRATCH_MNT/test-242/file1 +01768a16d33c9bd21dc67a7fac006ee1 SCRATCH_MNT/test-242/file2 +01768a16d33c9bd21dc67a7fac006ee1 SCRATCH_MNT/test-242/file2.chk +CoW and unmount +Compare files +01768a16d33c9bd21dc67a7fac006ee1 SCRATCH_MNT/test-242/file1 +c835fd53fa27b72511b250d51595c053 SCRATCH_MNT/test-242/file2 +c835fd53fa27b72511b250d51595c053 SCRATCH_MNT/test-242/file2.chk +Check for damage diff --git a/tests/generic/243 b/tests/generic/243 new file mode 100755 index 00000000..2162eb72 --- /dev/null +++ b/tests/generic/243 @@ -0,0 +1,99 @@ +#! /bin/bash +# FS QA Test No. 243 +# +# Reflink two large files and DIO CoW them in big chunks. +# +# This test is dependent on the system page size, so we cannot use md5 in +# the golden output; we can only compare to a check file. +# +#----------------------------------------------------------------------- +# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename "$0"` +seqres="$RESULT_DIR/$seq" +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -rf "$tmp".* "$TESTDIR" +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_scratch_reflink +_require_cp_reflink + +rm -f "$seqres.full" + + +echo "Format and mount" +_scratch_mkfs > "$seqres.full" 2>&1 +_scratch_mount >> "$seqres.full" 2>&1 + +TESTDIR="$SCRATCH_MNT/test-$seq" +rm -rf $TESTDIR +mkdir $TESTDIR + +BLKSZ=65536 +NR=6400 +BSZ=1280 + +FREE_BLOCKS=$(stat -f -c '%a' "$TESTDIR") +REAL_BLKSZ=$(stat -f -c '%S' "$TESTDIR") +SPACE_NEEDED=$(((BLKSZ * NR * 3) * 5 / 4)) +SPACE_AVAIL=$((FREE_BLOCKS * REAL_BLKSZ)) +test $SPACE_NEEDED -gt $SPACE_AVAIL && _notrun "Not enough space. $SPACE_AVAIL < $SPACE_NEEDED" + +echo "Create the original files" +"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((BLKSZ * BSZ)) 0 $((BLKSZ * NR))" "$TESTDIR/file1" >> "$seqres.full" +_cp_reflink "$TESTDIR/file1" "$TESTDIR/file2" >> "$seqres.full" +"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((BLKSZ * BSZ)) 0 $((BLKSZ * NR))" "$TESTDIR/file2.chk" >> "$seqres.full" +_scratch_remount + +echo "Compare files" +md5sum "$TESTDIR/file1" | _filter_scratch +md5sum "$TESTDIR/file2" | _filter_scratch +md5sum "$TESTDIR/file2.chk" | _filter_scratch + +echo "CoW and unmount" +"$XFS_IO_PROG" -d -f -c "pwrite -S 0x63 -b $((BLKSZ * BSZ)) 0 $((BLKSZ * NR))" "$TESTDIR/file2" >> "$seqres.full" +"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((BLKSZ * BSZ)) 0 $((BLKSZ * NR))" "$TESTDIR/file2.chk" >> "$seqres.full" +_scratch_remount + +echo "Compare files" +md5sum "$TESTDIR/file1" | _filter_scratch +md5sum "$TESTDIR/file2" | _filter_scratch +md5sum "$TESTDIR/file2.chk" | _filter_scratch + +echo "Check for damage" +umount "$SCRATCH_MNT" +_check_scratch_fs + +# success, all done +status=0 +exit diff --git a/tests/generic/243.out b/tests/generic/243.out new file mode 100644 index 00000000..8e13fabd --- /dev/null +++ b/tests/generic/243.out @@ -0,0 +1,13 @@ +QA output created by 243 +Format and mount +Create the original files +Compare files +01768a16d33c9bd21dc67a7fac006ee1 SCRATCH_MNT/test-243/file1 +01768a16d33c9bd21dc67a7fac006ee1 SCRATCH_MNT/test-243/file2 +01768a16d33c9bd21dc67a7fac006ee1 SCRATCH_MNT/test-243/file2.chk +CoW and unmount +Compare files +01768a16d33c9bd21dc67a7fac006ee1 SCRATCH_MNT/test-243/file1 +c835fd53fa27b72511b250d51595c053 SCRATCH_MNT/test-243/file2 +c835fd53fa27b72511b250d51595c053 SCRATCH_MNT/test-243/file2.chk +Check for damage diff --git a/tests/generic/group b/tests/generic/group index d8484e84..beb10ff5 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -244,6 +244,8 @@ 239 auto aio rw 240 auto aio quick rw 241 auto +242 auto quick clone +243 auto quick clone 245 auto quick dir 246 auto quick rw 247 auto quick rw -- 2.30.2