Re: [PATCH 04/11] generic/711,xfs/537: actually fork these tests for exchange-range

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On Fri, Jun 21, 2024 at 10:49:48AM -0700, Darrick J. Wong wrote:
> On Sat, Jun 22, 2024 at 12:14:37AM +0800, Zorro Lang wrote:
> > On Thu, Jun 20, 2024 at 01:55:06PM -0700, Darrick J. Wong wrote:
> > > From: Darrick J. Wong <djwong@xxxxxxxxxx>
> > > 
> > > Fork these tests to check the same things with exchange-range as they do
> > > for swapext, since the code porting swapext to commit-range has been
> > > dropped.
> > > 
> > > I was going to fork xfs/789 as well, but it turns out that generic/714
> > > covers this sufficiently so for that one, we just strike fiexchange from
> > > the group tag.
> > > 
> > > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> > > ---
> > >  tests/generic/1221     |   45 ++++++++++++++++++++++++
> > >  tests/generic/1221.out |    2 +
> > >  tests/generic/711      |    2 +
> > >  tests/xfs/1215         |   89 ++++++++++++++++++++++++++++++++++++++++++++++++
> > >  tests/xfs/1215.out     |   13 +++++++
> > >  tests/xfs/789          |    2 +
> > 
> > Shouldn't the "xfs/537" (in subject) be xfs/789? I'll change that when
> > I merge it.
> 
> No.  generic/711 is forked to become generic/1221, and xfs/537 is forked
> to become xfs/1215.  Maybe I should say that explicitly?

OK, I'll revert my change, and add this explanation. Thanks!

Thanks,
Zorro

> 
> "Fork these tests to check the same things with exchange-range as they do
> for swapext, since the code porting swapext to commit-range has been
> dropped.  generic/711 is forked to generic/1221, and xfs/537 is forked
> to xfs/1215.
> 
> "I was going to fork xfs/789 as well, but it turns out that generic/714
> covers this sufficiently so for that one, we just strike fiexchange from
> the group tag."
> 
> --D
> 
> > Thanks,
> > Zorro
> > 
> > >  6 files changed, 151 insertions(+), 2 deletions(-)
> > >  create mode 100755 tests/generic/1221
> > >  create mode 100644 tests/generic/1221.out
> > >  create mode 100755 tests/xfs/1215
> > >  create mode 100644 tests/xfs/1215.out
> > > 
> > > 
> > > diff --git a/tests/generic/1221 b/tests/generic/1221
> > > new file mode 100755
> > > index 0000000000..5569f59734
> > > --- /dev/null
> > > +++ b/tests/generic/1221
> > > @@ -0,0 +1,45 @@
> > > +#! /bin/bash
> > > +# SPDX-License-Identifier: GPL-2.0-or-later
> > > +# Copyright (c) 2022 Oracle.  All Rights Reserved.
> > > +#
> > > +# FS QA Test No. 1221
> > > +#
> > > +# Make sure that exchangerange won't touch a swap file.
> > > +
> > > +. ./common/preamble
> > > +_begin_fstest auto quick fiexchange
> > > +
> > > +# Override the default cleanup function.
> > > +_cleanup()
> > > +{
> > > +	cd /
> > > +	test -e "$dir/a" && swapoff $dir/a
> > > +	rm -r -f $tmp.* $dir
> > > +}
> > > +
> > > +# Import common functions.
> > > +. ./common/filter
> > > +
> > > +# real QA test starts here
> > > +_require_xfs_io_command exchangerange
> > > +_require_test
> > > +
> > > +dir=$TEST_DIR/test-$seq
> > > +mkdir -p $dir
> > > +
> > > +# Set up a fragmented swapfile and a dummy donor file.
> > > +$XFS_IO_PROG -f -c 'pwrite -S 0x58 0 32m -b 1m' -c fsync $dir/a >> $seqres.full
> > > +$here/src/punch-alternating $dir/a
> > > +$XFS_IO_PROG -f -c 'pwrite -S 0x58 0 32m -b 1m' -c fsync $dir/a >> $seqres.full
> > > +$MKSWAP_PROG $dir/a >> $seqres.full
> > > +
> > > +$XFS_IO_PROG -f -c 'pwrite -S 0x59 0 32m -b 1m' $dir/b >> $seqres.full
> > > +
> > > +swapon $dir/a || _notrun 'failed to swapon'
> > > +
> > > +# Now try to exchangerange.
> > > +$XFS_IO_PROG -c "exchangerange $dir/b" $dir/a
> > > +
> > > +# success, all done
> > > +status=0
> > > +exit
> > > diff --git a/tests/generic/1221.out b/tests/generic/1221.out
> > > new file mode 100644
> > > index 0000000000..698ac87303
> > > --- /dev/null
> > > +++ b/tests/generic/1221.out
> > > @@ -0,0 +1,2 @@
> > > +QA output created by 1221
> > > +exchangerange: Text file busy
> > > diff --git a/tests/generic/711 b/tests/generic/711
> > > index b107f976ef..792136306c 100755
> > > --- a/tests/generic/711
> > > +++ b/tests/generic/711
> > > @@ -7,7 +7,7 @@
> > >  # Make sure that swapext won't touch a swap file.
> > >  
> > >  . ./common/preamble
> > > -_begin_fstest auto quick fiexchange swapext
> > > +_begin_fstest auto quick swapext
> > >  
> > >  # Override the default cleanup function.
> > >  _cleanup()
> > > diff --git a/tests/xfs/1215 b/tests/xfs/1215
> > > new file mode 100755
> > > index 0000000000..5e7633c5ea
> > > --- /dev/null
> > > +++ b/tests/xfs/1215
> > > @@ -0,0 +1,89 @@
> > > +#! /bin/bash
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +# Copyright (c) 2024 Oracle.  All Rights Reserved.
> > > +#
> > > +# FS QA Test No. 1215
> > > +#
> > > +# Verify that XFS does not cause inode fork's extent count to overflow when
> > > +# exchanging ranges between files
> > > +. ./common/preamble
> > > +_begin_fstest auto quick collapse fiexchange
> > > +
> > > +# Import common functions.
> > > +. ./common/filter
> > > +. ./common/inject
> > > +
> > > +# real QA test starts here
> > > +
> > > +_supported_fs xfs
> > > +_require_scratch
> > > +_require_xfs_debug
> > > +_require_xfs_scratch_rmapbt
> > > +_require_xfs_io_command "fcollapse"
> > > +_require_xfs_io_command "exchangerange"
> > > +_require_xfs_io_error_injection "reduce_max_iextents"
> > > +
> > > +echo "* Exchange extent forks"
> > > +
> > > +echo "Format and mount fs"
> > > +_scratch_mkfs >> $seqres.full
> > > +_scratch_mount >> $seqres.full
> > > +
> > > +bsize=$(_get_file_block_size $SCRATCH_MNT)
> > > +
> > > +srcfile=${SCRATCH_MNT}/srcfile
> > > +donorfile=${SCRATCH_MNT}/donorfile
> > > +
> > > +echo "Create \$donorfile having an extent of length 67 blocks"
> > > +$XFS_IO_PROG -f -s -c "pwrite -b $((17 * bsize)) 0 $((17 * bsize))" $donorfile \
> > > +       >> $seqres.full
> > > +
> > > +# After the for loop the donor file will have the following extent layout
> > > +# | 0-4 | 5 | 6 | 7 | 8 | 9 | 10 |
> > > +echo "Fragment \$donorfile"
> > > +for i in $(seq 5 10); do
> > > +	start_offset=$((i * bsize))
> > > +	$XFS_IO_PROG -f -c "fcollapse $start_offset $bsize" $donorfile >> $seqres.full
> > > +done
> > > +
> > > +echo "Create \$srcfile having an extent of length 18 blocks"
> > > +$XFS_IO_PROG -f -s -c "pwrite -b $((18 * bsize)) 0 $((18 * bsize))" $srcfile \
> > > +       >> $seqres.full
> > > +
> > > +echo "Fragment \$srcfile"
> > > +# After the for loop the src file will have the following extent layout
> > > +# | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7-10 |
> > > +for i in $(seq 1 7); do
> > > +	start_offset=$((i * bsize))
> > > +	$XFS_IO_PROG -f -c "fcollapse $start_offset $bsize" $srcfile >> $seqres.full
> > > +done
> > > +
> > > +echo "Collect \$donorfile's extent count"
> > > +donor_nr_exts=$(_xfs_get_fsxattr nextents $donorfile)
> > > +
> > > +echo "Collect \$srcfile's extent count"
> > > +src_nr_exts=$(_xfs_get_fsxattr nextents $srcfile)
> > > +
> > > +echo "Inject reduce_max_iextents error tag"
> > > +_scratch_inject_error reduce_max_iextents 1
> > > +
> > > +echo "Exchange \$srcfile's and \$donorfile's extent forks"
> > > +$XFS_IO_PROG -f -c "exchangerange $donorfile" $srcfile >> $seqres.full 2>&1
> > > +
> > > +echo "Check for \$donorfile's extent count overflow"
> > > +nextents=$(_xfs_get_fsxattr nextents $donorfile)
> > > +
> > > +if (( $nextents == $src_nr_exts )); then
> > > +	echo "\$donorfile: Extent count overflow check failed"
> > > +fi
> > > +
> > > +echo "Check for \$srcfile's extent count overflow"
> > > +nextents=$(_xfs_get_fsxattr nextents $srcfile)
> > > +
> > > +if (( $nextents == $donor_nr_exts )); then
> > > +	echo "\$srcfile: Extent count overflow check failed"
> > > +fi
> > > +
> > > +# success, all done
> > > +status=0
> > > +exit
> > > diff --git a/tests/xfs/1215.out b/tests/xfs/1215.out
> > > new file mode 100644
> > > index 0000000000..48edd56376
> > > --- /dev/null
> > > +++ b/tests/xfs/1215.out
> > > @@ -0,0 +1,13 @@
> > > +QA output created by 1215
> > > +* Exchange extent forks
> > > +Format and mount fs
> > > +Create $donorfile having an extent of length 67 blocks
> > > +Fragment $donorfile
> > > +Create $srcfile having an extent of length 18 blocks
> > > +Fragment $srcfile
> > > +Collect $donorfile's extent count
> > > +Collect $srcfile's extent count
> > > +Inject reduce_max_iextents error tag
> > > +Exchange $srcfile's and $donorfile's extent forks
> > > +Check for $donorfile's extent count overflow
> > > +Check for $srcfile's extent count overflow
> > > diff --git a/tests/xfs/789 b/tests/xfs/789
> > > index 00b98020f2..e3a332d7cf 100755
> > > --- a/tests/xfs/789
> > > +++ b/tests/xfs/789
> > > @@ -7,7 +7,7 @@
> > >  # Simple tests of the old xfs swapext ioctl
> > >  
> > >  . ./common/preamble
> > > -_begin_fstest auto quick fiexchange swapext
> > > +_begin_fstest auto quick swapext
> > >  
> > >  # Override the default cleanup function.
> > >  _cleanup()
> > > 
> > > 
> > 
> > 
> 





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