From: Eric Sandeen <sandeen@redhat.com> To: xfs-oss <xfs@oss.sgi.com>, linux-btrfs <linux-btrfs@vger.kernel.org> Cc: Koen De Wit <koen.de.wit@oracle.com> Subject: [PATCH] xfstests: btrfs/308: simple sparse copy testcase for btrfs Date: Thu, 23 May 2013 11:36:32 -0500 [thread overview] Message-ID: <519E4590.4080309@redhat.com> (raw) From: Koen De Wit <koen.de.wit@oracle.com> # Tests file clone functionality of btrfs ("reflinks"): # - Reflink a file # - Reflink the reflinked file # - Modify the original file # - Modify the reflinked file [sandeen: add helpers, make several mostly-cosmetic changes to the original testcase] Signed-off-by: Koen De Wit <koen.de.wit@oracle.com> Signed-off-by: Eric Sandeen <sandeen@redhat.com> --- Originally submitted as test 297 diff --git a/common/rc b/common/rc index fe6bbfc..4560715 100644 --- a/common/rc +++ b/common/rc @@ -2098,6 +2098,27 @@ _require_dumpe2fs() fi } +_require_cp_reflink() +{ + cp --help | grep -q reflink || \ + _notrun "This test requires a cp with --reflink support." +} + +# Given 2 files, verify that they have the same mapping but different +# inodes - i.e. an undisturbed reflink +# Silent if so, make noise if not +_verify_reflink() +{ + # not a hard link or symlink? + cmp -s <(stat -c '%i' $1) <(stat -c '%i' $2) \ + && echo "$1 and $2 are not reflinks: same inode number" + + # same mapping? + diff -u <($XFS_IO_PROG -F -c "fiemap" $1 | grep -v $1) \ + <($XFS_IO_PROG -F -c "fiemap" $2 | grep -v $2) \ + || echo "$1 and $2 are not reflinks: different extents" +} + _create_loop_device() { file=$1 diff --git a/tests/btrfs/308 b/tests/btrfs/308 new file mode 100755 index 0000000..1bb8f02 --- /dev/null +++ b/tests/btrfs/308 @@ -0,0 +1,87 @@ +#! /bin/bash +# FS QA Test No. btrfs/308 +# +# Tests file clone functionality of btrfs ("reflinks"): +# - Reflink a file +# - Reflink the reflinked file +# - Modify the original file +# - Modify the reflinked file +# +#----------------------------------------------------------------------- +# Copyright (c) 2013, 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` +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 -f $tmp.* +} + +# get standard environment, filters and checks +. common/rc +. common/filter + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux + +_require_xfs_io_fiemap +_require_cp_reflink + +TESTDIR1=$TEST_DIR/test-$seq +rm -rf $TESTDIR1 +mkdir $TESTDIR1 + +_checksum_files() { + for F in original copy1 copy2 + do + md5sum $TESTDIR1/$F | _filter_test_dir + done +} + +rm -f $seqres.full + +echo "Create the original file and reflink to copy1, copy2" +$XFS_IO_PROG -F -f -c 'pwrite -S 0x61 0 9000' $TESTDIR1/original >> $seqres.full 2>&1 +cp --reflink $TESTDIR1/original $TESTDIR1/copy1 +cp --reflink $TESTDIR1/copy1 $TESTDIR1/copy2 +_verify_reflink $TESTDIR1/original $TESTDIR1/copy1 +_verify_reflink $TESTDIR1/original $TESTDIR1/copy2 +echo "Original md5sums:" +_checksum_files + +echo "Overwrite original file with new data" +$XFS_IO_PROG -c 'pwrite -S 0x62 0 9000' $TESTDIR1/original >> $seqres.full 2>&1 +echo "md5sums after overwriting original:" +_checksum_files + +echo "Overwrite copy1 with different new data" +$XFS_IO_PROG -c 'pwrite -S 0x63 0 9000' $TESTDIR1/copy1 >> $seqres.full 2>&1 +echo "md5sums after overwriting copy1:" +_checksum_files + +# success, all done +status=0 +exit diff --git a/tests/btrfs/308.out b/tests/btrfs/308.out new file mode 100644 index 0000000..7bccf08 --- /dev/null +++ b/tests/btrfs/308.out @@ -0,0 +1,16 @@ +QA output created by 308 +Create the original file and reflink to copy1, copy2 +Original md5sums: +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/original +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy1 +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy2 +Overwrite original file with new data +md5sums after overwriting original: +4a847a25439532bf48b68c9e9536ed5b TEST_DIR/test-308/original +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy1 +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy2 +Overwrite copy1 with different new data +md5sums after overwriting copy1: +4a847a25439532bf48b68c9e9536ed5b TEST_DIR/test-308/original +e271cd47d9f62ebc96cb4e67ae4d16db TEST_DIR/test-308/copy1 +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy2 diff --git a/tests/btrfs/group b/tests/btrfs/group index bc6c256..f24628c 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -9,3 +9,4 @@ 276 auto rw metadata 284 auto 307 auto quick +308 auto quick reflink
WARNING: multiple messages have this Message-ID (diff)
From: Eric Sandeen <sandeen@redhat.com> To: xfs-oss <xfs@oss.sgi.com>, linux-btrfs <linux-btrfs@vger.kernel.org> Cc: Koen De Wit <koen.de.wit@oracle.com> Subject: [PATCH] xfstests: btrfs/308: simple sparse copy testcase for btrfs Date: Thu, 23 May 2013 11:36:32 -0500 [thread overview] Message-ID: <519E4590.4080309@redhat.com> (raw) From: Koen De Wit <koen.de.wit@oracle.com> # Tests file clone functionality of btrfs ("reflinks"): # - Reflink a file # - Reflink the reflinked file # - Modify the original file # - Modify the reflinked file [sandeen: add helpers, make several mostly-cosmetic changes to the original testcase] Signed-off-by: Koen De Wit <koen.de.wit@oracle.com> Signed-off-by: Eric Sandeen <sandeen@redhat.com> --- Originally submitted as test 297 diff --git a/common/rc b/common/rc index fe6bbfc..4560715 100644 --- a/common/rc +++ b/common/rc @@ -2098,6 +2098,27 @@ _require_dumpe2fs() fi } +_require_cp_reflink() +{ + cp --help | grep -q reflink || \ + _notrun "This test requires a cp with --reflink support." +} + +# Given 2 files, verify that they have the same mapping but different +# inodes - i.e. an undisturbed reflink +# Silent if so, make noise if not +_verify_reflink() +{ + # not a hard link or symlink? + cmp -s <(stat -c '%i' $1) <(stat -c '%i' $2) \ + && echo "$1 and $2 are not reflinks: same inode number" + + # same mapping? + diff -u <($XFS_IO_PROG -F -c "fiemap" $1 | grep -v $1) \ + <($XFS_IO_PROG -F -c "fiemap" $2 | grep -v $2) \ + || echo "$1 and $2 are not reflinks: different extents" +} + _create_loop_device() { file=$1 diff --git a/tests/btrfs/308 b/tests/btrfs/308 new file mode 100755 index 0000000..1bb8f02 --- /dev/null +++ b/tests/btrfs/308 @@ -0,0 +1,87 @@ +#! /bin/bash +# FS QA Test No. btrfs/308 +# +# Tests file clone functionality of btrfs ("reflinks"): +# - Reflink a file +# - Reflink the reflinked file +# - Modify the original file +# - Modify the reflinked file +# +#----------------------------------------------------------------------- +# Copyright (c) 2013, 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` +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 -f $tmp.* +} + +# get standard environment, filters and checks +. common/rc +. common/filter + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux + +_require_xfs_io_fiemap +_require_cp_reflink + +TESTDIR1=$TEST_DIR/test-$seq +rm -rf $TESTDIR1 +mkdir $TESTDIR1 + +_checksum_files() { + for F in original copy1 copy2 + do + md5sum $TESTDIR1/$F | _filter_test_dir + done +} + +rm -f $seqres.full + +echo "Create the original file and reflink to copy1, copy2" +$XFS_IO_PROG -F -f -c 'pwrite -S 0x61 0 9000' $TESTDIR1/original >> $seqres.full 2>&1 +cp --reflink $TESTDIR1/original $TESTDIR1/copy1 +cp --reflink $TESTDIR1/copy1 $TESTDIR1/copy2 +_verify_reflink $TESTDIR1/original $TESTDIR1/copy1 +_verify_reflink $TESTDIR1/original $TESTDIR1/copy2 +echo "Original md5sums:" +_checksum_files + +echo "Overwrite original file with new data" +$XFS_IO_PROG -c 'pwrite -S 0x62 0 9000' $TESTDIR1/original >> $seqres.full 2>&1 +echo "md5sums after overwriting original:" +_checksum_files + +echo "Overwrite copy1 with different new data" +$XFS_IO_PROG -c 'pwrite -S 0x63 0 9000' $TESTDIR1/copy1 >> $seqres.full 2>&1 +echo "md5sums after overwriting copy1:" +_checksum_files + +# success, all done +status=0 +exit diff --git a/tests/btrfs/308.out b/tests/btrfs/308.out new file mode 100644 index 0000000..7bccf08 --- /dev/null +++ b/tests/btrfs/308.out @@ -0,0 +1,16 @@ +QA output created by 308 +Create the original file and reflink to copy1, copy2 +Original md5sums: +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/original +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy1 +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy2 +Overwrite original file with new data +md5sums after overwriting original: +4a847a25439532bf48b68c9e9536ed5b TEST_DIR/test-308/original +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy1 +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy2 +Overwrite copy1 with different new data +md5sums after overwriting copy1: +4a847a25439532bf48b68c9e9536ed5b TEST_DIR/test-308/original +e271cd47d9f62ebc96cb4e67ae4d16db TEST_DIR/test-308/copy1 +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/test-308/copy2 diff --git a/tests/btrfs/group b/tests/btrfs/group index bc6c256..f24628c 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -9,3 +9,4 @@ 276 auto rw metadata 284 auto 307 auto quick +308 auto quick reflink _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs
next reply other threads:[~2013-05-23 16:36 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-05-23 16:36 Eric Sandeen [this message] 2013-05-23 16:36 ` [PATCH] xfstests: btrfs/308: simple sparse copy testcase for btrfs Eric Sandeen 2013-05-23 23:39 ` Dave Chinner 2013-05-23 23:39 ` Dave Chinner 2013-05-24 3:09 ` Eryu Guan 2013-05-24 3:09 ` Eryu Guan 2013-05-24 4:21 ` Eric Sandeen 2013-05-24 4:21 ` Eric Sandeen 2013-05-24 17:34 ` [PATCH V2] xfstests: btrfs/306: " Eric Sandeen 2013-05-24 17:34 ` Eric Sandeen
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