On Wed, Mar 13, 2019 at 09:46:00AM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
>
> Add some more clone range tests that missed various "wacky" combinations
> of file state. Specifically, we test reflinking into and out of rainbow
> ranges (a mix of real, unwritten, hole, delalloc, and shared extents),
> and also we test that we can correctly handle double-inode locking no
> matter what order of inodes or the filesystem's locking rules.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Sorry for the late review.. The tests look good to me overall, only some
really minor comments inline.
> ---
> common/reflink | 7 ++
> tests/generic/940 | 94 ++++++++++++++++++++++++
> tests/generic/940.out | 14 ++++
> tests/generic/941 | 99 +++++++++++++++++++++++++
> tests/generic/941.out | 16 ++++
> tests/generic/942 | 95 ++++++++++++++++++++++++
> tests/generic/942.out | 14 ++++
> tests/generic/943 | 99 +++++++++++++++++++++++++
> tests/generic/943.out | 16 ++++
> tests/generic/944 | 196 +++++++++++++++++++++++++++++++++++++++++++++++++
> tests/generic/944.out | 62 ++++++++++++++++
> tests/generic/group | 5 +
> 12 files changed, 716 insertions(+), 1 deletion(-)
> create mode 100755 tests/generic/940
> create mode 100644 tests/generic/940.out
> create mode 100755 tests/generic/941
> create mode 100644 tests/generic/941.out
> create mode 100755 tests/generic/942
> create mode 100644 tests/generic/942.out
> create mode 100755 tests/generic/943
> create mode 100644 tests/generic/943.out
> create mode 100755 tests/generic/944
> create mode 100644 tests/generic/944.out
>
> diff --git a/common/reflink b/common/reflink
> index 11561a76..598f0877 100644
> --- a/common/reflink
> +++ b/common/reflink
> @@ -14,9 +14,14 @@ _require_cp_reflink()
> # Can we reflink between arbitrary file sets?
> # i.e. if we reflink a->b and c->d, can we later share
> # blocks between b & c?
> +_supports_arbitrary_fileset_reflink()
> +{
> + test "$FSTYP" != "ocfs2"
> +}
> +
> _require_arbitrary_fileset_reflink()
> {
> - test "$FSTYP" = "ocfs2" && \
> + _supports_arbitrary_fileset_reflink ||
> _notrun "reflink between arbitrary file groups not supported in $FSTYP"
> }
>
> diff --git a/tests/generic/940 b/tests/generic/940
> new file mode 100755
> index 00000000..4573cbae
> --- /dev/null
> +++ b/tests/generic/940
> @@ -0,0 +1,94 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0+
> +# Copyright (c) 2019, Oracle and/or its affiliates. All Rights Reserved.
> +#
> +# FS QA Test No. 940
> +#
> +# Ensuring that reflinking works when the destination range covers multiple
> +# extents, some unwritten, some not:
> +#
> +# - Create a file with the following repeating sequence of blocks:
> +# 1. reflinked
> +# 2. unwritten
> +# 3. hole
> +# 4. regular block
> +# 5. delalloc
> +# - reflink across the halfway mark, starting with the unwritten extent.
> +# - Check that the files are now different where we say they're different.
> +#
> +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
Seems there's no need to remove $testdir, as it's created in
$SCRATCH_MNT. And use tab for indention here :)
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +. ./common/reflink
> +
> +# real QA test starts here
> +_supported_os Linux
_supported_fs generic
> +_require_scratch_reflink
> +_require_xfs_io_command "falloc"
> +_require_xfs_io_command "fpunch"
> +_require_cp_reflink
> +_require_odirect
Are above three requires really needed? I don't see the use of 'fpunch'
'cp --reflink' and direct I/O in the test.
Above comments apply to generic/94[123] as well.
> +
> +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
> +mkdir $testdir
> +
> +echo "Create the original files"
> +blksz=65536
> +nr=64
> +filesize=$((blksz * nr))
> +_pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2 >> $seqres.full
> +_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> +_scratch_cycle_mount
> +
> +echo "Compare files"
> +md5sum $testdir/file1 | _filter_scratch
> +md5sum $testdir/file2 | _filter_scratch
> +md5sum $testdir/file3 | _filter_scratch
> +md5sum $testdir/file3.chk | _filter_scratch
> +
> +echo "reflink across the transition"
> +roff=$((filesize / 4))
> +rsz=$((filesize / 2))
> +_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full
> +
> +# now reflink into the rainbow
> +echo "before reflink" >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file2 >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file3 >> $seqres.full
> +$XFS_IO_PROG -f -c "reflink $testdir/file2 $roff $roff $rsz" $testdir/file3 >> $seqres.full
> +_pwrite_byte 0x64 $roff $rsz $testdir/file3.chk >> $seqres.full
> +_scratch_cycle_mount
> +
> +echo "Compare files"
> +echo "after reflink" >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file2 >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file3 >> $seqres.full
> +md5sum $testdir/file1 | _filter_scratch
> +md5sum $testdir/file2 | _filter_scratch
> +md5sum $testdir/file3 | _filter_scratch
> +md5sum $testdir/file3.chk | _filter_scratch
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/generic/940.out b/tests/generic/940.out
> new file mode 100644
> index 00000000..d34c7b50
> --- /dev/null
> +++ b/tests/generic/940.out
> @@ -0,0 +1,14 @@
> +QA output created by 940
> +Format and mount
> +Create the original files
> +Compare files
> +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-940/file1
> +5a5221017d3ab8fd7583312a14d2ba80 SCRATCH_MNT/test-940/file2
> +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-940/file3
> +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-940/file3.chk
> +reflink across the transition
> +Compare files
> +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-940/file1
> +5a5221017d3ab8fd7583312a14d2ba80 SCRATCH_MNT/test-940/file2
> +5d47954e2336b2547afde6e44d2f13cc SCRATCH_MNT/test-940/file3
> +5d47954e2336b2547afde6e44d2f13cc SCRATCH_MNT/test-940/file3.chk
> diff --git a/tests/generic/941 b/tests/generic/941
> new file mode 100755
> index 00000000..145b8585
> --- /dev/null
> +++ b/tests/generic/941
> @@ -0,0 +1,99 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0+
> +# Copyright (c) 2019, Oracle and/or its affiliates. All Rights Reserved.
> +#
> +# FS QA Test No. 941
> +#
> +# Ensuring that reflinking works when the source range covers multiple
> +# extents, some unwritten, some not:
> +#
> +# - Create a file with the following repeating sequence of blocks:
> +# 1. reflinked
> +# 2. unwritten
> +# 3. hole
> +# 4. regular block
> +# 5. delalloc
> +# - reflink across the halfway mark, starting with the unwritten extent.
> +# - Check that the files are now different where we say they're different.
> +#
> +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_xfs_io_command "falloc"
> +_require_xfs_io_command "fpunch"
> +_require_cp_reflink
> +_require_odirect
> +
> +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
> +mkdir $testdir
> +
> +echo "Create the original files"
> +blksz=65536
> +nr=64
> +filesize=$((blksz * nr))
> +_pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2 >> $seqres.full
> +_pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2.chk >> $seqres.full
> +_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> +_scratch_cycle_mount
> +
> +echo "Compare files"
> +md5sum $testdir/file1 | _filter_scratch
> +md5sum $testdir/file2 | _filter_scratch
> +md5sum $testdir/file2.chk | _filter_scratch
> +md5sum $testdir/file3 | _filter_scratch
> +md5sum $testdir/file3.chk | _filter_scratch
> +
> +echo "reflink across the transition"
> +roff=$((filesize / 4))
> +rsz=$((filesize / 2))
> +_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full
> +
> +# now reflink the rainbow
> +echo "before reflink" >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file2 >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file3 >> $seqres.full
> +$XFS_IO_PROG -f -c "reflink $testdir/file3 $roff $roff $rsz" $testdir/file2 >> $seqres.full
> +cp $testdir/file3.chk $testdir/file2.chk
> +_pwrite_byte 0x64 0 $roff $testdir/file2.chk >> $seqres.full
> +_pwrite_byte 0x64 $((roff + rsz)) $((filesize - (roff + rsz) )) $testdir/file2.chk >> $seqres.full
> +_scratch_cycle_mount
> +
> +echo "Compare files"
> +echo "after reflink" >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file2 >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file3 >> $seqres.full
> +md5sum $testdir/file1 | _filter_scratch
> +md5sum $testdir/file2 | _filter_scratch
> +md5sum $testdir/file2.chk | _filter_scratch
> +md5sum $testdir/file3 | _filter_scratch
> +md5sum $testdir/file3.chk | _filter_scratch
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/generic/941.out b/tests/generic/941.out
> new file mode 100644
> index 00000000..a76e6c62
> --- /dev/null
> +++ b/tests/generic/941.out
> @@ -0,0 +1,16 @@
> +QA output created by 941
> +Format and mount
> +Create the original files
> +Compare files
> +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-941/file1
> +5a5221017d3ab8fd7583312a14d2ba80 SCRATCH_MNT/test-941/file2
> +5a5221017d3ab8fd7583312a14d2ba80 SCRATCH_MNT/test-941/file2.chk
> +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-941/file3
> +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-941/file3.chk
> +reflink across the transition
> +Compare files
> +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-941/file1
> +51a300aae3a4b4eaa023876a397e01ef SCRATCH_MNT/test-941/file2
> +51a300aae3a4b4eaa023876a397e01ef SCRATCH_MNT/test-941/file2.chk
> +7bf7a779a0a54647b41753206c5218b1 SCRATCH_MNT/test-941/file3
> +7bf7a779a0a54647b41753206c5218b1 SCRATCH_MNT/test-941/file3.chk
> diff --git a/tests/generic/942 b/tests/generic/942
> new file mode 100755
> index 00000000..92b0f298
> --- /dev/null
> +++ b/tests/generic/942
> @@ -0,0 +1,95 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0+
> +# Copyright (c) 2019, Oracle and/or its affiliates. All Rights Reserved.
> +#
> +# FS QA Test No. 942
> +#
> +# Ensuring that reflinking works when the destination range covers multiple
> +# extents, some unwritten, some not:
> +#
> +# - Create a file with the following repeating sequence of blocks:
> +# 1. reflinked
> +# 2. unwritten
> +# 3. hole
> +# 4. regular block
> +# 5. delalloc
> +# - reflink across the halfway mark, starting with the unwritten extent.
> +# - Check that the files are now different where we say they're different.
> +#
> +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_xfs_io_command "falloc"
> +_require_xfs_io_command "fpunch"
> +_require_cp_reflink
> +_require_odirect
> +
> +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
> +mkdir $testdir
> +
> +echo "Create the original files"
> +blksz=65536
> +nr=64
> +filesize=$((blksz * nr))
> +_pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2 >> $seqres.full
> +_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> +_scratch_cycle_mount
> +
> +echo "Compare files"
> +md5sum $testdir/file1 | _filter_scratch
> +md5sum $testdir/file2 | _filter_scratch
> +md5sum $testdir/file3 | _filter_scratch
> +md5sum $testdir/file3.chk | _filter_scratch
> +
> +echo "reflink across the transition"
> +soff=$((filesize / 4))
> +doff=$((filesize / 2))
> +rsz=$((filesize / 2))
> +_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full
> +
> +# now reflink into the rainbow
> +echo "before reflink" >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file2 >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file3 >> $seqres.full
> +$XFS_IO_PROG -f -c "reflink $testdir/file2 $soff $doff $rsz" $testdir/file3 >> $seqres.full
> +_pwrite_byte 0x64 $doff $rsz $testdir/file3.chk >> $seqres.full
> +_scratch_cycle_mount
> +
> +echo "Compare files"
> +echo "after reflink" >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file2 >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file3 >> $seqres.full
> +md5sum $testdir/file1 | _filter_scratch
> +md5sum $testdir/file2 | _filter_scratch
> +md5sum $testdir/file3 | _filter_scratch
> +md5sum $testdir/file3.chk | _filter_scratch
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/generic/942.out b/tests/generic/942.out
> new file mode 100644
> index 00000000..529ecff2
> --- /dev/null
> +++ b/tests/generic/942.out
> @@ -0,0 +1,14 @@
> +QA output created by 942
> +Format and mount
> +Create the original files
> +Compare files
> +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-942/file1
> +5a5221017d3ab8fd7583312a14d2ba80 SCRATCH_MNT/test-942/file2
> +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-942/file3
> +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-942/file3.chk
> +reflink across the transition
> +Compare files
> +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-942/file1
> +5a5221017d3ab8fd7583312a14d2ba80 SCRATCH_MNT/test-942/file2
> +52bb341f992de6ef4bf5e5d61177eddc SCRATCH_MNT/test-942/file3
> +52bb341f992de6ef4bf5e5d61177eddc SCRATCH_MNT/test-942/file3.chk
> diff --git a/tests/generic/943 b/tests/generic/943
> new file mode 100755
> index 00000000..91dfa75b
> --- /dev/null
> +++ b/tests/generic/943
> @@ -0,0 +1,99 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0+
> +# Copyright (c) 2019, Oracle and/or its affiliates. All Rights Reserved.
> +#
> +# FS QA Test No. 943
> +#
> +# Ensuring that reflinking works when the source range covers multiple
> +# extents, some unwritten, some not:
> +#
> +# - Create a file with the following repeating sequence of blocks:
> +# 1. reflinked
> +# 2. unwritten
> +# 3. hole
> +# 4. regular block
> +# 5. delalloc
> +# - reflink across the halfway mark, starting with the unwritten extent.
> +# - Check that the files are now different where we say they're different.
> +#
> +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_xfs_io_command "falloc"
> +_require_xfs_io_command "fpunch"
> +_require_cp_reflink
> +_require_odirect
> +
> +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
> +mkdir $testdir
> +
> +echo "Create the original files"
> +blksz=65536
> +nr=64
> +filesize=$((blksz * nr))
> +_pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2 >> $seqres.full
> +_pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2.chk >> $seqres.full
> +_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> +_scratch_cycle_mount
> +
> +echo "Compare files"
> +md5sum $testdir/file1 | _filter_scratch
> +md5sum $testdir/file2 | _filter_scratch
> +md5sum $testdir/file2.chk | _filter_scratch
> +md5sum $testdir/file3 | _filter_scratch
> +md5sum $testdir/file3.chk | _filter_scratch
> +
> +echo "reflink across the transition"
> +soff=$((filesize / 4))
> +doff=$((filesize / 2))
> +rsz=$((filesize / 2))
> +_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full
> +
> +# now reflink the rainbow
> +echo "before reflink" >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file2 >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file3 >> $seqres.full
> +$XFS_IO_PROG -f -c "reflink $testdir/file3 $soff $doff $rsz" $testdir/file2 >> $seqres.full
> +truncate -s $doff $testdir/file2.chk
$XFS_IO_PROG -c "truncate $doff" $testdir/file2.chk
> +dd if=$testdir/file3.chk skip=$((soff / blksz)) count=$((rsz / blksz)) bs=$blksz >> $testdir/file2.chk 2> /dev/null
> +_scratch_cycle_mount
> +
> +echo "Compare files"
> +echo "after reflink" >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file2 >> $seqres.full
> +$FILEFRAG_PROG -v $testdir/file3 >> $seqres.full
> +md5sum $testdir/file1 | _filter_scratch
> +md5sum $testdir/file2 | _filter_scratch
> +md5sum $testdir/file2.chk | _filter_scratch
> +md5sum $testdir/file3 | _filter_scratch
> +md5sum $testdir/file3.chk | _filter_scratch
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/generic/943.out b/tests/generic/943.out
> new file mode 100644
> index 00000000..471c3f34
> --- /dev/null
> +++ b/tests/generic/943.out
> @@ -0,0 +1,16 @@
> +QA output created by 943
> +Format and mount
> +Create the original files
> +Compare files
> +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-943/file1
> +5a5221017d3ab8fd7583312a14d2ba80 SCRATCH_MNT/test-943/file2
> +5a5221017d3ab8fd7583312a14d2ba80 SCRATCH_MNT/test-943/file2.chk
> +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-943/file3
> +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-943/file3.chk
> +reflink across the transition
> +Compare files
> +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-943/file1
> +d93123af536c8c012f866ea383a905ce SCRATCH_MNT/test-943/file2
> +d93123af536c8c012f866ea383a905ce SCRATCH_MNT/test-943/file2.chk
> +7bf7a779a0a54647b41753206c5218b1 SCRATCH_MNT/test-943/file3
> +7bf7a779a0a54647b41753206c5218b1 SCRATCH_MNT/test-943/file3.chk
> diff --git a/tests/generic/944 b/tests/generic/944
> new file mode 100755
> index 00000000..237cd2da
> --- /dev/null
> +++ b/tests/generic/944
> @@ -0,0 +1,196 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0+
> +# Copyright (c) 2019, Oracle and/or its affiliates. All Rights Reserved.
> +#
> +# FS QA Test No. 944
> +#
> +# Ensure that we can reflink from a file with a higher inode number to a lower
> +# inode number and vice versa. Mix it up by doing this test with inodes that
> +# already share blocks and inodes that don't share blocks. This tests both
> +# double-inode locking order correctness as well as stressing things like ocfs2
> +# which have per-inode sharing groups and therefore have to check that we don't
> +# try to link data between disjoint sharing groups.
> +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 >> $seqres.full 2>&1
> +
> +blksz=65536
> +nr=2
> +filesize=$((blksz * nr))
> +testdir=$SCRATCH_MNT/test-$seq
> +dummy_file=$testdir/dummy
> +low_file=$testdir/low
> +high_file=$testdir/high
> +scenario=1
> +mkdir $testdir
> +
> +# Return inode number
> +inum() {
> + stat -c '%i' $1
> +}
> +
> +# Create two test files, make $low_file the file with the lower inode
> +# number, and make $high_file the file with the higher inode number.
> +create_files() {
> + _pwrite_byte 0x60 0 $filesize $testdir/file1 >> $seqres.full
> + _pwrite_byte 0x61 0 $filesize $testdir/file2 >> $seqres.full
> + if [ "$(inum $testdir/file1)" -lt "$(inum $testdir/file2)" ]; then
> + mv $testdir/file1 $low_file
> + mv $testdir/file2 $high_file
> + else
> + mv $testdir/file2 $low_file
> + mv $testdir/file1 $high_file
> + fi
> +}
> +
> +# Check md5sum of both files, but keep results sorted by inode order
> +check_files() {
> + md5sum $low_file | _filter_scratch
> + md5sum $high_file | _filter_scratch
> +}
> +
> +# Test reflinking data from the first file to the second file
> +test_files() {
> + local src="$1"
> + local dest="$2"
> + local off=$((filesize / 2))
> + local sz=$((filesize / 2))
> +
> + check_files
> + _reflink_range $src $off $dest $off $sz >> $seqres.full
> + _scratch_cycle_mount
> + check_files
> +}
> +
> +# Make a file shared with a dummy file
> +dummy_share() {
> + local which="$2"
> + test -z "$which" && which=1
> + local dummy=$dummy_file.$which
> +
> + rm -f $dummy
> + _cp_reflink $1 $dummy
> +}
> +
> +# Make two files share (different ranges) with a dummy file
> +mutual_dummy_share() {
> + rm -f $dummy_file
> + _cp_reflink $1 $dummy_file
> + _reflink_range $2 0 $dummy_file $blksz $blksz >> $seqres.full
> +}
> +
> +# Announce ourselves, remembering which scenario we've tried
> +ann() {
> + echo "$scenario: $@" | tee -a $seqres.full
> + scenario=$((scenario + 1))
> +}
> +
> +# Scenario 1: low to high, neither file shares
> +ann "low to high, neither share"
> +create_files
> +test_files $low_file $high_file
> +
> +# Scenario 2: high to low, neither file shares
> +ann "high to low, neither share"
> +create_files
> +test_files $high_file $low_file
> +
> +# Scenario 3: low to high, only source file shares
> +ann "low to high, only source shares"
> +create_files
> +dummy_share $low_file
> +test_files $low_file $high_file
> +
> +# Scenario 4: high to low, only source file shares
> +ann "high to low, only source shares"
> +create_files
> +dummy_share $high_file
> +test_files $high_file $low_file
> +
> +# Scenario 5: low to high, only dest file shares
> +ann "low to high, only dest shares"
> +create_files
> +dummy_share $high_file
> +test_files $low_file $high_file
> +
> +# Scenario 6: high to low, only dest file shares
> +ann "high to low, only dest shares"
> +create_files
> +dummy_share $low_file
> +test_files $high_file $low_file
> +
> +# Scenario 7: low to high, both files share with each other
> +ann "low to high, both files share with each other"
> +create_files
> +_reflink_range $low_file 0 $high_file 0 $blksz >> $seqres.full
> +test_files $low_file $high_file
> +
> +# Scenario 8: high to low, both files share with each other
> +ann "high to low, both files share with each other"
> +create_files
> +_reflink_range $low_file 0 $high_file 0 $blksz >> $seqres.full
> +test_files $high_file $low_file
> +
> +# Scenario 9: low to high, both files share but not with each other
> +ann "low to high, both files share but not with each other"
> +create_files
> +# ocfs2 can only reflink between files sharing a refcount tree, so for
> +# this test (and #10) we skip the dummy file because we'd rather not split
> +# the test code just to mask off the /one/ weird fs like this...
> +if _supports_arbitrary_fileset_reflink; then
> + dummy_share $low_file 1
> + dummy_share $high_file 2
> +fi
> +test_files $low_file $high_file
> +
> +# Scenario 10: high to low, both files share but not with each other
> +ann "high to low, both files share but not with each other"
> +create_files
> +if _supports_arbitrary_fileset_reflink; then
> + dummy_share $low_file 1
> + dummy_share $high_file 2
> +fi
> +test_files $high_file $low_file
> +
> +# Scenario 11: low to high, both files share mutually
> +ann "low to high, both files share mutually"
> +create_files
> +mutual_dummy_share $low_file $high_file
> +test_files $low_file $high_file
> +
> +# Scenario 12: high to low, both files share mutually
> +ann "high to low, both files share mutually"
> +create_files
> +mutual_dummy_share $low_file $high_file
> +test_files $high_file $low_file
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/generic/944.out b/tests/generic/944.out
> new file mode 100644
> index 00000000..aa53fdce
> --- /dev/null
> +++ b/tests/generic/944.out
> @@ -0,0 +1,62 @@
> +QA output created by 944
> +Format and mount
> +1: low to high, neither share
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +de1d43fbed633326daed6f71912e09e1 SCRATCH_MNT/test-944/high
> +2: high to low, neither share
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +3: low to high, only source shares
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +de1d43fbed633326daed6f71912e09e1 SCRATCH_MNT/test-944/high
> +4: high to low, only source shares
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +5: low to high, only dest shares
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +de1d43fbed633326daed6f71912e09e1 SCRATCH_MNT/test-944/high
> +6: high to low, only dest shares
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +7: low to high, both files share with each other
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/high
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/high
> +8: high to low, both files share with each other
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/high
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/low
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/high
> +9: low to high, both files share but not with each other
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +de1d43fbed633326daed6f71912e09e1 SCRATCH_MNT/test-944/high
> +10: high to low, both files share but not with each other
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +11: low to high, both files share mutually
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +de1d43fbed633326daed6f71912e09e1 SCRATCH_MNT/test-944/high
> +12: high to low, both files share mutually
> +07d9f5b0e07f22bff26e39f929cfc460 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> +0d2ce48b6a4527783bd30ce21f09fec0 SCRATCH_MNT/test-944/low
> +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-944/high
> diff --git a/tests/generic/group b/tests/generic/group
> index 78b9b45d..2e4341fb 100644
> --- a/tests/generic/group
> +++ b/tests/generic/group
> @@ -538,3 +538,8 @@
> 533 auto quick attr
> 534 auto quick log
> 535 auto quick log
> +940 auto quick clone punch
> +941 auto quick clone punch
> +942 auto quick clone punch
> +943 auto quick clone punch
> +944 auto quick clone punch
And they don't belong to 'punch' group.
Thanks,
Eryu
