Re: [PATCH 17/17] xfs: test realtime rmapbt code

["Darrick J. Wong" <darrick.wong@oracle.com>]

On Mon, Aug 08, 2016 at 05:08:00PM +0800, Eryu Guan wrote:
> On Thu, Jul 21, 2016 at 04:48:07PM -0700, Darrick J. Wong wrote:
> > Test the realtime rmap btree code by exercising various IO patterns
> > on realtime files.
> > 
> > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> > ---
> >  tests/xfs/878     |   88 +++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/878.out |    9 ++++
> >  tests/xfs/879     |   67 +++++++++++++++++++++++++++++++++
> >  tests/xfs/879.out |    7 +++
> >  tests/xfs/880     |   86 ++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/880.out |    7 +++
> >  tests/xfs/881     |   95 +++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/881.out |    8 ++++
> >  tests/xfs/882     |  108 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/882.out |   11 +++++
> >  tests/xfs/883     |   89 ++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/883.out |   10 +++++
> >  tests/xfs/884     |   91 +++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/884.out |    9 ++++
> >  tests/xfs/885     |   94 ++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/885.out |   10 +++++
> >  tests/xfs/886     |  104 +++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/886.out |    7 +++
> >  tests/xfs/887     |  107 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/887.out |    7 +++
> >  tests/xfs/888     |   76 +++++++++++++++++++++++++++++++++++++
> >  tests/xfs/888.out |    6 +++
> >  tests/xfs/group   |   11 +++++
> >  23 files changed, 1107 insertions(+)
> >  create mode 100644 tests/xfs/878
> 
> Need the mode of test file to be 755

D'oh!

> >  create mode 100644 tests/xfs/878.out
> >  create mode 100755 tests/xfs/879
> >  create mode 100644 tests/xfs/879.out
> >  create mode 100755 tests/xfs/880
> >  create mode 100644 tests/xfs/880.out
> >  create mode 100755 tests/xfs/881
> >  create mode 100644 tests/xfs/881.out
> >  create mode 100755 tests/xfs/882
> >  create mode 100644 tests/xfs/882.out
> >  create mode 100755 tests/xfs/883
> >  create mode 100644 tests/xfs/883.out
> >  create mode 100755 tests/xfs/884
> >  create mode 100644 tests/xfs/884.out
> >  create mode 100755 tests/xfs/885
> >  create mode 100644 tests/xfs/885.out
> >  create mode 100755 tests/xfs/886
> >  create mode 100644 tests/xfs/886.out
> >  create mode 100755 tests/xfs/887
> >  create mode 100644 tests/xfs/887.out
> >  create mode 100755 tests/xfs/888
> >  create mode 100644 tests/xfs/888.out
> > 
> > 
> > diff --git a/tests/xfs/878 b/tests/xfs/878
> > new file mode 100644
> > index 0000000..b1f2672
> > --- /dev/null
> > +++ b/tests/xfs/878
> > @@ -0,0 +1,88 @@
> > +#! /bin/bash
> > +# FS QA Test No. 878
> > +#
> > +# Set rrmapino to another inode on an non-rt rmap fs and see if repair fixes it.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".* $metadump_file
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> 
> _supported_fs xfs (also apply to all tests in this patch)

Ok.

> > +_require_xfs_scratch_rmapbt
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +SCRATCH_RTDEV= USE_EXTERNAL= _scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +
> > +echo "Create some files"
> > +$XFS_IO_PROG -f -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f2 >> $seqres.full
> > +echo garbage > $SCRATCH_MNT/f3
> > +ino=$(stat -c '%i' $SCRATCH_MNT/f3)
> > +_scratch_unmount
> > +
> > +echo "Corrupt fs"
> > +$XFS_DB_PROG -x -c 'sb 0' -c "write rrmapino $ino" $SCRATCH_DEV >> $seqres.full
> > +_scratch_mount
> > +
> > +echo "Check files"
> > +md5sum $SCRATCH_MNT/f1 2>&1 | _filter_scratch
> > +
> > +echo "Try to create more files"
> > +$XFS_IO_PROG -f -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f3 >> $seqres.full 2>&1
> > +
> > +echo "Repair fs"
> > +_scratch_unmount 2>&1 | _filter_scratch
> 
> I think there's no need to filter unmount.
> 
> > +$XFS_LOGPRINT_PROG -t $extra_log_options $device 2>&1 \
> > +		| tee $tmp.logprint | grep -q "<CLEAN>"
> > +if [ $? -ne 0 ]; then
> > +	echo "Dirty log, zeroing..." >> $seqres.full
> > +	_scratch_xfs_repair -L >> $seqres.full 2>&1
> > +else
> > +	_scratch_xfs_repair >> $seqres.full 2>&1
> > +fi
> > +_scratch_xfs_repair >> $seqres.full 2>&1
> > +
> > +echo "Try to create more files (again)"
> > +_scratch_mount
> > +$XFS_IO_PROG -f -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/878.out b/tests/xfs/878.out
> > new file mode 100644
> > index 0000000..e134506
> > --- /dev/null
> > +++ b/tests/xfs/878.out
> > @@ -0,0 +1,9 @@
> > +QA output created by 878
> > +Format and mount
> > +Create some files
> > +Corrupt fs
> > +Check files
> > +8f27047948255cb84872e2dd7c0bc56d  SCRATCH_MNT/f1
> > +Try to create more files
> > +Repair fs
> > +Try to create more files (again)
> > diff --git a/tests/xfs/879 b/tests/xfs/879
> > new file mode 100755
> > index 0000000..0cbaf09
> > --- /dev/null
> > +++ b/tests/xfs/879
> > @@ -0,0 +1,67 @@
> > +#! /bin/bash
> > +# FS QA Test No. 879
> > +#
> > +# Ensure that we can create a few realtime files on a rmapbt filesystem.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".*
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> 
> common/attr seems not needed in this test and other tests in this patch.

Right.  I'll remove them.

> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +
> > +echo "Create a few files"
> > +$XFS_IO_PROG -f -R -c 'pwrite -S 0x67 0 50000' -c fsync $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c 'pwrite -S 0x67 0 50000' -c fsync $SCRATCH_MNT/f2 >> $seqres.full
> > +_scratch_cycle_mount
> > +
> > +echo "Grab contents"
> > +md5sum $SCRATCH_MNT/f1 $SCRATCH_MNT/f2 | _filter_scratch
> > +
> > +echo "Remove one file"
> > +rm -rf $SCRATCH_MNT/f2
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/879.out b/tests/xfs/879.out
> > new file mode 100644
> > index 0000000..9dfe48b
> > --- /dev/null
> > +++ b/tests/xfs/879.out
> > @@ -0,0 +1,7 @@
> > +QA output created by 879
> > +Format and mount
> > +Create a few files
> > +Grab contents
> > +10abe2628d19eb1c2ebe18aad7b14820  SCRATCH_MNT/f1
> > +10abe2628d19eb1c2ebe18aad7b14820  SCRATCH_MNT/f2
> > +Remove one file
> > diff --git a/tests/xfs/880 b/tests/xfs/880
> > new file mode 100755
> > index 0000000..2056097
> > --- /dev/null
> > +++ b/tests/xfs/880
> > @@ -0,0 +1,86 @@
> > +#! /bin/bash
> > +# FS QA Test No. 880
> > +#
> > +# Exercise expanding and shrinking the realtime rmap btree.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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 "$tmp".*
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +_require_test_program "punch-alternating"
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +blksz="$(stat -f $SCRATCH_MNT -c '%S')"
> > +isize=$(xfs_info $SCRATCH_MNT | grep isize | sed -e 's/^.*isize=\([0-9]*\).*$/\1/g')
> > +
> > +echo "Create a three-level rtrmapbt"
> > +i_ptrs=$(( (isize - 176) / 56 ))
> > +bt_ptrs=$(( (blksz - 56) / 56 ))
> > +bt_recs=$(( (blksz - 56) / 32 ))
> > +
> > +blocks=$((i_ptrs * bt_ptrs * bt_recs))
> > +_require_fs_space $SCRATCH_MNT $(( (2 * blocks * blksz) * 5 / 4096 ))
> > +rtblksz=$(xfs_info $SCRATCH_MNT | grep '^realtime' | \
> > +		sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g')
> 
> Both isize and rtextsz can be got from _filter_mkfs, as I mentioned in
> another email.

Ok.
> 
> Thanks,
> Eryu
> 
> > +len=$((blocks * rtblksz))
> > +
> > +echo "Create big file"
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
> > +
> > +echo "Explode the rtrmapbt"
> > +./src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
> > +./src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
> > +_scratch_cycle_mount
> > +
> > +echo "Remove half the records"
> > +rm -rf $SCRATCH_MNT/f1
> > +_scratch_cycle_mount
> > +
> > +echo "Remove the rest of the records"
> > +rm -rf $SCRATCH_MNT/f2
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/880.out b/tests/xfs/880.out
> > new file mode 100644
> > index 0000000..b87665b
> > --- /dev/null
> > +++ b/tests/xfs/880.out
> > @@ -0,0 +1,7 @@
> > +QA output created by 880
> > +Format and mount
> > +Create a three-level rtrmapbt
> > +Create big file
> > +Explode the rtrmapbt
> > +Remove half the records
> > +Remove the rest of the records
> > diff --git a/tests/xfs/881 b/tests/xfs/881
> > new file mode 100755
> > index 0000000..c7474f5
> > --- /dev/null
> > +++ b/tests/xfs/881
> > @@ -0,0 +1,95 @@
> > +#! /bin/bash
> > +# FS QA Test No. 881
> > +#
> > +# Exercise metadump on realtime rmapbt preservation.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".* $metadump_file
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +_require_test_program "punch-alternating"
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +blksz="$(stat -f $SCRATCH_MNT -c '%S')"
> > +isize=$(xfs_info $SCRATCH_MNT | grep isize | sed -e 's/^.*isize=\([0-9]*\).*$/\1/g')
> > +
> > +metadump_file=$TEST_DIR/${seq}_metadump
> > +rm -rf $metadump_file
> > +
> > +echo "Create a three-level rtrmapbt"
> > +i_ptrs=$(( (isize - 176) / 56 ))
> > +bt_ptrs=$(( (blksz - 56) / 56 ))
> > +bt_recs=$(( (blksz - 56) / 32 ))
> > +
> > +blocks=$((i_ptrs * bt_ptrs * bt_recs))
> > +_require_fs_space $SCRATCH_MNT $(( (2 * blocks * blksz) * 5 / 4096 ))
> > +rtblksz=$(xfs_info $SCRATCH_MNT | grep '^realtime' | \
> > +		sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g')
> > +len=$((blocks * rtblksz))
> > +
> > +echo "Create big file"
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
> > +
> > +echo "Explode the rtrmapbt"
> > +./src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
> > +./src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
> > +_scratch_cycle_mount
> > +
> > +echo "Create metadump file"
> > +_scratch_unmount
> > +_scratch_metadump $metadump_file
> > +
> > +# Now restore the obfuscated one back and take a look around
> > +echo "Restore metadump"
> > +xfs_mdrestore $metadump_file $TEST_DIR/image
> > +SCRATCH_DEV=$TEST_DIR/image _scratch_mount
> > +SCRATCH_DEV=$TEST_DIR/image _scratch_unmount
> > +
> > +echo "Check restored fs"
> > +_check_generic_filesystem $metadump_file
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/881.out b/tests/xfs/881.out
> > new file mode 100644
> > index 0000000..6ad156c
> > --- /dev/null
> > +++ b/tests/xfs/881.out
> > @@ -0,0 +1,8 @@
> > +QA output created by 881
> > +Format and mount
> > +Create a three-level rtrmapbt
> > +Create big file
> > +Explode the rtrmapbt
> > +Create metadump file
> > +Restore metadump
> > +Check restored fs
> > diff --git a/tests/xfs/882 b/tests/xfs/882
> > new file mode 100755
> > index 0000000..569a560
> > --- /dev/null
> > +++ b/tests/xfs/882
> > @@ -0,0 +1,108 @@
> > +#! /bin/bash
> > +# FS QA Test No. 882
> > +#
> > +# Corrupt the realtime rmapbt and see how the kernel and xfs_repair deal.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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 "$tmp".*
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +_require_test_program "punch-alternating"
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "+ create scratch fs"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +
> > +echo "+ mount fs image"
> > +_scratch_mount
> > +blksz="$(stat -f $SCRATCH_MNT -c '%S')"
> > +isize=$(xfs_info $SCRATCH_MNT | grep isize | sed -e 's/^.*isize=\([0-9]*\).*$/\1/g')
> > +
> > +i_ptrs=$(( (isize - 176) / 56 ))
> > +bt_ptrs=$(( (blksz - 56) / 56 ))
> > +bt_recs=$(( (blksz - 56) / 32 ))
> > +
> > +blocks=$((i_ptrs * bt_ptrs * bt_recs + 1))
> > +_require_fs_space $SCRATCH_MNT $(( (2 * blocks * blksz) * 5 / 4096 ))
> > +len=$((blocks * blksz))
> > +
> > +echo "+ make some files"
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
> > +./src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
> > +./src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
> > +_scratch_unmount
> > +
> > +echo "+ check fs"
> > +_scratch_xfs_repair -n >> $seqres.full 2>&1 || echo "xfs_repair should not fail"
> > +
> > +echo "+ corrupt image"
> > +$XFS_DB_PROG -x -c "sb" -c "addr rrmapino" -c "addr u3.rtrmapbt.ptrs[1]" -c "stack" \
> > +	-c "blocktrash -x 4096 -y 4096 -n 8 -3 -z" $SCRATCH_DEV >> $seqres.full 2>&1
> > +
> > +echo "+ mount image"
> > +_scratch_mount
> > +
> > +echo "+ copy more"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 1" $SCRATCH_MNT/e3 >> $seqres.full 2>&1
> > +test -s ${SCRATCH_MNT}/f3 && echo "should not be able to copy with busted rtrmap btree"
> > +_scratch_unmount
> > +
> > +echo "+ repair fs"
> > +$XFS_LOGPRINT_PROG -t $extra_log_options $device 2>&1 \
> > +		| tee $tmp.logprint | grep -q "<CLEAN>"
> > +if [ $? -ne 0 ]; then
> > +	echo "Dirty log, zeroing..." >> $seqres.full
> > +	_scratch_xfs_repair -L >> $seqres.full 2>&1
> > +else
> > +	_scratch_xfs_repair >> $seqres.full 2>&1
> > +fi
> > +_scratch_xfs_repair >> $seqres.full 2>&1
> > +
> > +echo "+ mount image (2)"
> > +_scratch_mount
> > +
> > +echo "+ copy more (2)"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 1" $SCRATCH_MNT/e4 >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/882.out b/tests/xfs/882.out
> > new file mode 100644
> > index 0000000..5ebe620
> > --- /dev/null
> > +++ b/tests/xfs/882.out
> > @@ -0,0 +1,11 @@
> > +QA output created by 882
> > ++ create scratch fs
> > ++ mount fs image
> > ++ make some files
> > ++ check fs
> > ++ corrupt image
> > ++ mount image
> > ++ copy more
> > ++ repair fs
> > ++ mount image (2)
> > ++ copy more (2)
> > diff --git a/tests/xfs/883 b/tests/xfs/883
> > new file mode 100755
> > index 0000000..403ef35
> > --- /dev/null
> > +++ b/tests/xfs/883
> > @@ -0,0 +1,89 @@
> > +#! /bin/bash
> > +# FS QA Test No. 883
> > +#
> > +# Set rrmapino to zero on an rtrmap fs and see if repair fixes it.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".* $metadump_file
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +
> > +echo "Create some files"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f2 >> $seqres.full
> > +_scratch_unmount
> > +
> > +echo "Corrupt fs"
> > +$XFS_DB_PROG -x -c 'sb 0' -c 'addr rrmapino' -c 'write core.nlinkv2 0' \
> > +	-c 'write core.mode 0' -c 'sb 0' -c 'write rrmapino 0' $SCRATCH_DEV >> $seqres.full
> > +_scratch_mount >> $seqres.full 2>&1 && echo "mount should have failed"
> > +
> > +echo "Check files"
> > +md5sum $SCRATCH_MNT/f1 2>&1 | _filter_scratch
> > +
> > +echo "Try to create more files"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f3 >> $seqres.full 2>&1
> > +test -e $SCRATCH_MNT/f3 && echo "should not have been able to write f3"
> > +
> > +echo "Repair fs"
> > +_scratch_unmount 2>&1 | _filter_scratch
> > +$XFS_LOGPRINT_PROG -t $extra_log_options $device 2>&1 \
> > +		| tee $tmp.logprint | grep -q "<CLEAN>"
> > +if [ $? -ne 0 ]; then
> > +	echo "Dirty log, zeroing..." >> $seqres.full
> > +	_scratch_xfs_repair -L >> $seqres.full 2>&1
> > +else
> > +	_scratch_xfs_repair >> $seqres.full 2>&1
> > +fi
> > +_scratch_xfs_repair >> $seqres.full 2>&1
> > +
> > +echo "Try to create more files (again)"
> > +_scratch_mount
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/883.out b/tests/xfs/883.out
> > new file mode 100644
> > index 0000000..6e75ac1
> > --- /dev/null
> > +++ b/tests/xfs/883.out
> > @@ -0,0 +1,10 @@
> > +QA output created by 883
> > +Format and mount
> > +Create some files
> > +Corrupt fs
> > +Check files
> > +md5sum: SCRATCH_MNT/f1: No such file or directory
> > +Try to create more files
> > +Repair fs
> > +umount: SCRATCH_DEV: not mounted
> > +Try to create more files (again)
> > diff --git a/tests/xfs/884 b/tests/xfs/884
> > new file mode 100755
> > index 0000000..ad648b8
> > --- /dev/null
> > +++ b/tests/xfs/884
> > @@ -0,0 +1,91 @@
> > +#! /bin/bash
> > +# FS QA Test No. 884
> > +#
> > +# Link rrmapino into the rootdir on an rtrmap fs and see if repair fixes it.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".* $metadump_file
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +
> > +echo "Create some files"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f2 >> $seqres.full
> > +echo garbage > $SCRATCH_MNT/f3
> > +ln $SCRATCH_MNT/f3 $SCRATCH_MNT/f4
> > +_scratch_unmount
> > +
> > +echo "Corrupt fs"
> > +rrmapino=$($XFS_DB_PROG -c 'sb 0' -c 'p rrmapino' $SCRATCH_DEV | awk '{print $3}')
> > +$XFS_DB_PROG -x -c 'sb 0' -c 'addr rootino' \
> > +	-c "write u3.sfdir3.list[3].inumber.i4 $rrmapino" $SCRATCH_DEV >> $seqres.full
> > +_scratch_mount
> > +
> > +echo "Check files"
> > +md5sum $SCRATCH_MNT/f1 2>&1 | _filter_scratch
> > +
> > +echo "Try to create more files"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f5 >> $seqres.full 2>&1
> > +
> > +echo "Repair fs"
> > +_scratch_unmount 2>&1 | _filter_scratch
> > +$XFS_LOGPRINT_PROG -t $extra_log_options $device 2>&1 \
> > +		| tee $tmp.logprint | grep -q "<CLEAN>"
> > +if [ $? -ne 0 ]; then
> > +	echo "Dirty log, zeroing..." >> $seqres.full
> > +	_scratch_xfs_repair -L >> $seqres.full 2>&1
> > +else
> > +	_scratch_xfs_repair >> $seqres.full 2>&1
> > +fi
> > +_scratch_xfs_repair >> $seqres.full 2>&1
> > +
> > +echo "Try to create more files (again)"
> > +_scratch_mount
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/884.out b/tests/xfs/884.out
> > new file mode 100644
> > index 0000000..17a73ef
> > --- /dev/null
> > +++ b/tests/xfs/884.out
> > @@ -0,0 +1,9 @@
> > +QA output created by 884
> > +Format and mount
> > +Create some files
> > +Corrupt fs
> > +Check files
> > +8f27047948255cb84872e2dd7c0bc56d  SCRATCH_MNT/f1
> > +Try to create more files
> > +Repair fs
> > +Try to create more files (again)
> > diff --git a/tests/xfs/885 b/tests/xfs/885
> > new file mode 100755
> > index 0000000..b5880bd
> > --- /dev/null
> > +++ b/tests/xfs/885
> > @@ -0,0 +1,94 @@
> > +#! /bin/bash
> > +# FS QA Test No. 885
> > +#
> > +# Set rrmapino to another inode on an rtrmap fs and see if repair fixes it.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".* $metadump_file
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +
> > +echo "Create some files"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f2 >> $seqres.full
> > +echo garbage > $SCRATCH_MNT/f3
> > +ino=$(stat -c '%i' $SCRATCH_MNT/f3)
> > +_scratch_unmount
> > +
> > +echo "Corrupt fs"
> > +rrmapino=$($XFS_DB_PROG -c 'sb 0' -c 'p rrmapino' $SCRATCH_DEV | awk '{print $3}')
> > +$XFS_DB_PROG -x -c "inode $rrmapino" -c 'write core.format 2' \
> > +	-c 'write core.size 0' -c 'write core.nblocks 0' \
> > +	-c 'sb 0' -c 'addr rootino' -c "write u3.sfdir3.list[2].inumber.i4 $rrmapino" \
> > +	-c 'sb 0' -c "write rrmapino $ino" $SCRATCH_DEV >> $seqres.full
> > +_scratch_mount >> $seqres.full 2>&1 && echo "mount should have failed"
> > +
> > +echo "Check files"
> > +md5sum $SCRATCH_MNT/f1 2>&1 | _filter_scratch
> > +
> > +echo "Try to create more files"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f3 >> $seqres.full 2>&1
> > +test -e $SCRATCH_MNT/f3 && echo "should not have been able to write f3"
> > +
> > +echo "Repair fs"
> > +_scratch_unmount 2>&1 | _filter_scratch
> > +$XFS_LOGPRINT_PROG -t $extra_log_options $device 2>&1 \
> > +		| tee $tmp.logprint | grep -q "<CLEAN>"
> > +if [ $? -ne 0 ]; then
> > +	echo "Dirty log, zeroing..." >> $seqres.full
> > +	_scratch_xfs_repair -L >> $seqres.full 2>&1
> > +else
> > +	_scratch_xfs_repair >> $seqres.full 2>&1
> > +fi
> > +_scratch_xfs_repair >> $seqres.full 2>&1
> > +
> > +echo "Try to create more files (again)"
> > +_scratch_mount
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/885.out b/tests/xfs/885.out
> > new file mode 100644
> > index 0000000..df04f79
> > --- /dev/null
> > +++ b/tests/xfs/885.out
> > @@ -0,0 +1,10 @@
> > +QA output created by 885
> > +Format and mount
> > +Create some files
> > +Corrupt fs
> > +Check files
> > +md5sum: SCRATCH_MNT/f1: No such file or directory
> > +Try to create more files
> > +Repair fs
> > +umount: SCRATCH_DEV: not mounted
> > +Try to create more files (again)
> > diff --git a/tests/xfs/886 b/tests/xfs/886
> > new file mode 100755
> > index 0000000..57edb3d
> > --- /dev/null
> > +++ b/tests/xfs/886
> > @@ -0,0 +1,104 @@
> > +#! /bin/bash
> > +# FS QA Test No. 886
> > +#
> > +# Cross-link rrmapino to another inode on an rtrmap fs and see if repair fixes it.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".* $metadump_file
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +_require_test_program "punch-alternating"
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +blksz="$(stat -f $SCRATCH_MNT -c '%S')"
> > +isize=$(xfs_info $SCRATCH_MNT | grep isize | sed -e 's/^.*isize=\([0-9]*\).*$/\1/g')
> > +
> > +i_ptrs=$(( (isize - 176) / 56 ))
> > +bt_recs=$(( (blksz - 56) / 32 ))
> > +
> > +blocks=$((i_ptrs * bt_recs + 1))
> > +rtblksz=$(xfs_info $SCRATCH_MNT | grep '^realtime' | \
> > +		sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g')
> > +len=$((blocks * rtblksz))
> > +
> > +echo "Create some files"
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
> > +./src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
> > +./src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
> > +echo garbage > $SCRATCH_MNT/f3
> > +ino=$(stat -c '%i' $SCRATCH_MNT/f3)
> > +_scratch_unmount
> > +
> > +echo "Corrupt fs"
> > +fsbno=$($XFS_DB_PROG -c "inode $ino" -c 'bmap' $SCRATCH_DEV | \
> > +	sed -e 's/^.*startblock \([0-9]*\) .*$/\1/g')
> > +
> > +$XFS_DB_PROG -x -c 'sb 0' -c 'addr rrmapino' -c "write u3.rtrmapbt.ptrs[1] $fsbno" \
> > +	-c 'p' $SCRATCH_DEV >> $seqres.full
> > +_scratch_mount
> > +
> > +echo "Try to create more files"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f5 >> $seqres.full 2>&1
> > +test -e $SCRATCH_MNT/f5 && echo "should not have been able to write f5"
> > +
> > +echo "Repair fs"
> > +_scratch_unmount 2>&1 | _filter_scratch
> > +$XFS_LOGPRINT_PROG -t $extra_log_options $device 2>&1 \
> > +		| tee $tmp.logprint | grep -q "<CLEAN>"
> > +if [ $? -ne 0 ]; then
> > +	echo "Dirty log, zeroing..." >> $seqres.full
> > +	_scratch_xfs_repair -L >> $seqres.full 2>&1
> > +else
> > +	_scratch_xfs_repair >> $seqres.full 2>&1
> > +fi
> > +_scratch_xfs_repair >> $seqres.full 2>&1
> > +
> > +echo "Try to create more files (again)"
> > +_scratch_mount
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/886.out b/tests/xfs/886.out
> > new file mode 100644
> > index 0000000..7f00c5d
> > --- /dev/null
> > +++ b/tests/xfs/886.out
> > @@ -0,0 +1,7 @@
> > +QA output created by 886
> > +Format and mount
> > +Create some files
> > +Corrupt fs
> > +Try to create more files
> > +Repair fs
> > +Try to create more files (again)
> > diff --git a/tests/xfs/887 b/tests/xfs/887
> > new file mode 100755
> > index 0000000..cdf2707
> > --- /dev/null
> > +++ b/tests/xfs/887
> > @@ -0,0 +1,107 @@
> > +#! /bin/bash
> > +# FS QA Test No. 887
> > +#
> > +# Cross-link rrmapino to another inode on an rtrmap fs and see if repair fixes it.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".* $metadump_file
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +_require_test_program "punch-alternating"
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +blksz="$(stat -f $SCRATCH_MNT -c '%S')"
> > +isize=$(xfs_info $SCRATCH_MNT | grep isize | sed -e 's/^.*isize=\([0-9]*\).*$/\1/g')
> > +
> > +i_ptrs=$(( (isize - 176) / 56 ))
> > +bt_recs=$(( (blksz - 56) / 32 ))
> > +
> > +blocks=$((i_ptrs * bt_recs + 1))
> > +rtblksz=$(xfs_info $SCRATCH_MNT | grep '^realtime' | \
> > +		sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g')
> > +len=$((blocks * rtblksz))
> > +
> > +echo "Create some files"
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f2 >> $seqres.full
> > +./src/punch-alternating $SCRATCH_MNT/f1 >> "$seqres.full"
> > +./src/punch-alternating $SCRATCH_MNT/f2 >> "$seqres.full"
> > +echo garbage > $SCRATCH_MNT/f3
> > +ino=$(stat -c '%i' $SCRATCH_MNT/f3)
> > +_scratch_unmount
> > +
> > +echo "Corrupt fs"
> > +$XFS_DB_PROG -c 'sb 0' -c 'addr rrmapino' -c 'p u3.rtrmapbt.ptrs[1]' $SCRATCH_DEV >> $seqres.full
> > +
> > +fsbno=$($XFS_DB_PROG -c 'sb 0' -c 'addr rrmapino' -c 'p u3.rtrmapbt.ptrs[1]' \
> > +	$SCRATCH_DEV | sed -e 's/^.*://g')
> > +$XFS_DB_PROG -x -c "inode $ino" -c "write u3.bmx[0].startblock $fsbno" \
> > +	$SCRATCH_DEV >> $seqres.full
> > +_scratch_mount
> > +
> > +od -tx1 -Ad -c $SCRATCH_MNT/f3 >> $seqres.full
> > +
> > +echo "Try to create more files"
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f5 >> $seqres.full 2>&1
> > +test ! -e $SCRATCH_MNT/f5 && echo "should have been able to write f5"
> > +
> > +echo "Repair fs"
> > +_scratch_unmount 2>&1 | _filter_scratch
> > +$XFS_LOGPRINT_PROG -t $extra_log_options $device 2>&1 \
> > +		| tee $tmp.logprint | grep -q "<CLEAN>"
> > +if [ $? -ne 0 ]; then
> > +	echo "Dirty log, zeroing..." >> $seqres.full
> > +	_scratch_xfs_repair -L >> $seqres.full 2>&1
> > +else
> > +	_scratch_xfs_repair >> $seqres.full 2>&1
> > +fi
> > +_scratch_xfs_repair >> $seqres.full 2>&1
> > +
> > +echo "Try to create more files (again)"
> > +_scratch_mount
> > +$XFS_IO_PROG -f -R -c "pwrite -S 0x68 0 9999" $SCRATCH_MNT/f4 >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/887.out b/tests/xfs/887.out
> > new file mode 100644
> > index 0000000..30cf032
> > --- /dev/null
> > +++ b/tests/xfs/887.out
> > @@ -0,0 +1,7 @@
> > +QA output created by 887
> > +Format and mount
> > +Create some files
> > +Corrupt fs
> > +Try to create more files
> > +Repair fs
> > +Try to create more files (again)
> > diff --git a/tests/xfs/888 b/tests/xfs/888
> > new file mode 100755
> > index 0000000..15bec80
> > --- /dev/null
> > +++ b/tests/xfs/888
> > @@ -0,0 +1,76 @@
> > +#! /bin/bash
> > +# FS QA Test No. 888
> > +#
> > +# Basic rmap manipulation tests for realtime files.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2016, 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".* $metadump_file
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/filter
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_os Linux
> > +_require_realtime
> > +_require_xfs_scratch_rmapbt
> > +
> > +rm -f "$seqres.full"
> > +
> > +echo "Format and mount"
> > +_scratch_mkfs > "$seqres.full" 2>&1
> > +_scratch_mount
> > +blksz=65536
> > +blocks=16
> > +len=$((blocks * blksz))
> > +
> > +echo "Create some files"
> > +$XFS_IO_PROG -f -R -c "falloc 0 $len" -c "pwrite -S 0x68 -b 1048576 0 $len" $SCRATCH_MNT/f1 >> $seqres.full
> > +
> > +echo "Manipulate file"
> > +$XFS_IO_PROG -c "fpunch $blksz $blksz" \
> > +	-c "fzero $((3 * blksz)) $blksz" \
> > +	-c "pwrite -S 0x69 $((5 * blksz)) $blksz" \
> > +	-c "fpunch $((7 * blksz)) $blksz" \
> > +	-c "fsync" \
> > +	-c "pwrite -S 0x70 $((7 * blksz)) $blksz" \
> > +	-c "fcollapse $((9 * blksz)) $blksz" \
> > +	-c "finsert $((10 * blksz)) $blksz" $SCRATCH_MNT/f1 >> $seqres.full
> > +
> > +echo "Check file"
> > +md5sum $SCRATCH_MNT/f1 | _filter_scratch
> > +od -tx1 -Ad -c $SCRATCH_MNT/f1 >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/888.out b/tests/xfs/888.out
> > new file mode 100644
> > index 0000000..2587697
> > --- /dev/null
> > +++ b/tests/xfs/888.out
> > @@ -0,0 +1,6 @@
> > +QA output created by 888
> > +Format and mount
> > +Create some files
> > +Manipulate file
> > +Check file
> > +e45c5707fcf6817e914ffb6ce37a0ac7  SCRATCH_MNT/f1
> > diff --git a/tests/xfs/group b/tests/xfs/group
> > index f81f899..6fa2eb6 100644
> > --- a/tests/xfs/group
> > +++ b/tests/xfs/group
> > @@ -311,3 +311,14 @@
> >  875 auto quick clone fsr quota
> >  876 auto quick rmap clone
> >  877 auto quick rmap clone
> > +878 auto quick rmap
> > +879 auto quick rmap
> > +880 auto quick rmap
> > +881 auto quick rmap
> > +882 fuzzers rmap
> > +883 auto quick rmap
> > +884 auto quick rmap
> > +885 auto quick rmap
> > +886 auto quick rmap
> > +887 auto quick rmap
> > +888 auto quick rmap
> > 

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