xfstests: generic xattr enospc cleanup test
diff mbox

Message ID 1435078044-21679-1-git-send-email-bfoster@redhat.com
State New
Headers show

Commit Message

Brian Foster June 23, 2015, 4:47 p.m. UTC
XFS had a regression where inode reclaim in the unlink codepath would
not correctly tear down extended attribute forks where no xattr extents
are present. Add a generic test to create this condition.

The test sets extended attributes on a series of files under ENOSPC
conditions and then verifies that the files can be removed without
syslog warnings or errors.

Signed-off-by: Brian Foster <bfoster@redhat.com>
---
 tests/generic/103     | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/generic/103.out |  2 ++
 tests/generic/group   |  1 +
 3 files changed, 94 insertions(+)
 create mode 100755 tests/generic/103
 create mode 100644 tests/generic/103.out

Comments

Eryu Guan June 24, 2015, 3:59 a.m. UTC | #1
On Tue, Jun 23, 2015 at 12:47:24PM -0400, Brian Foster wrote:
> XFS had a regression where inode reclaim in the unlink codepath would
> not correctly tear down extended attribute forks where no xattr extents
> are present. Add a generic test to create this condition.
> 
> The test sets extended attributes on a series of files under ENOSPC
> conditions and then verifies that the files can be removed without
> syslog warnings or errors.
> 
> Signed-off-by: Brian Foster <bfoster@redhat.com>
> ---
>  tests/generic/103     | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/generic/103.out |  2 ++
>  tests/generic/group   |  1 +
>  3 files changed, 94 insertions(+)
>  create mode 100755 tests/generic/103
>  create mode 100644 tests/generic/103.out
> 
> diff --git a/tests/generic/103 b/tests/generic/103
> new file mode 100755
> index 0000000..373cd9d
> --- /dev/null
> +++ b/tests/generic/103
> @@ -0,0 +1,91 @@
> +#! /bin/bash
> +# FSQA Test No. 103
> +#
> +# Test attribute fork teardown. This test is inspired by a regression in XFS
> +# that resulted in problematic removal of inodes with remote attribute forks
> +# without attribute extents. The attribute fork condition is created by
> +# attempting to set larger attribute values on a filesystem that is at or near
> +# ENOSPC.
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2015 Red Hat, Inc.  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"
> +
> +_cleanup()
> +{
> +        cd /
> +        rm -f $tmp.*
> +}
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1	# failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15 25
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/attr
> +
> +# real QA test starts here
> +_supported_fs generic
> +_supported_os Linux
> +_require_scratch
> +_require_attrs
> +
> +rm -f $seqres.full
> +
> +_consume_freesp()
> +{
> +	file=$1
> +
> +	# consume nearly all available space (leave ~512kB)
> +	avail=`_get_available_space $SCRATCH_MNT`

Seems you missed "_get_available_space" function definition in
common/rc? I got "command not found" error.

Thanks,
Eryu
> +	filesizekb=$((avail / 1024 - 512))
> +	$XFS_IO_PROG -fc "falloc 0 ${filesizekb}k" $file
> +}
> +
> +_scratch_mkfs >> $seqres.full 2>&1
> +_scratch_mount
> +
> +for i in $(seq 0 63); do
> +	touch $SCRATCH_MNT/$seq.$i
> +done
> +
> +# Generate a large attribute value and consume the rest of the space in the
> +# filesystem.
> +$XFS_IO_PROG -fc "pwrite 0 64k" $SCRATCH_MNT/attrval > /dev/null 2>&1
> +_consume_freesp $SCRATCH_MNT/spc
> +
> +# Set attributes on the test files. These should start to hit ENOSPC.
> +for i in $(seq 0 63); do
> +	$SETFATTR_PROG -n user.test -v "`cat $SCRATCH_MNT/attrval`" \
> +		$SCRATCH_MNT/$seq.$i >> $seqres.full 2>&1
> +done
> +
> +# Remove the files with attributes to test attribute fork teardown. Problems
> +# result in dmesg output.
> +rm -f $SCRATCH_MNT/$seq.*
> +
> +echo Silence is golden.
> +
> +status=0
> +exit
> diff --git a/tests/generic/103.out b/tests/generic/103.out
> new file mode 100644
> index 0000000..ce229bf
> --- /dev/null
> +++ b/tests/generic/103.out
> @@ -0,0 +1,2 @@
> +QA output created by 103
> +Silence is golden.
> diff --git a/tests/generic/group b/tests/generic/group
> index 0c8964c..41f3039 100644
> --- a/tests/generic/group
> +++ b/tests/generic/group
> @@ -98,6 +98,7 @@
>  097 udf auto
>  099 udf auto
>  100 udf auto
> +103 auto enospc quick
>  105 acl auto quick
>  112 rw aio auto quick
>  113 rw aio auto quick
> -- 
> 1.9.3
> 
> --
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Brian Foster June 24, 2015, 10:54 a.m. UTC | #2
On Wed, Jun 24, 2015 at 11:59:19AM +0800, Eryu Guan wrote:
> On Tue, Jun 23, 2015 at 12:47:24PM -0400, Brian Foster wrote:
> > XFS had a regression where inode reclaim in the unlink codepath would
> > not correctly tear down extended attribute forks where no xattr extents
> > are present. Add a generic test to create this condition.
> > 
> > The test sets extended attributes on a series of files under ENOSPC
> > conditions and then verifies that the files can be removed without
> > syslog warnings or errors.
> > 
> > Signed-off-by: Brian Foster <bfoster@redhat.com>
> > ---
> >  tests/generic/103     | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/generic/103.out |  2 ++
> >  tests/generic/group   |  1 +
> >  3 files changed, 94 insertions(+)
> >  create mode 100755 tests/generic/103
> >  create mode 100644 tests/generic/103.out
> > 
> > diff --git a/tests/generic/103 b/tests/generic/103
> > new file mode 100755
> > index 0000000..373cd9d
> > --- /dev/null
> > +++ b/tests/generic/103
> > @@ -0,0 +1,91 @@
> > +#! /bin/bash
> > +# FSQA Test No. 103
> > +#
> > +# Test attribute fork teardown. This test is inspired by a regression in XFS
> > +# that resulted in problematic removal of inodes with remote attribute forks
> > +# without attribute extents. The attribute fork condition is created by
> > +# attempting to set larger attribute values on a filesystem that is at or near
> > +# ENOSPC.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2015 Red Hat, Inc.  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"
> > +
> > +_cleanup()
> > +{
> > +        cd /
> > +        rm -f $tmp.*
> > +}
> > +
> > +here=`pwd`
> > +tmp=/tmp/$$
> > +status=1	# failure is the default!
> > +trap "_cleanup; exit \$status" 0 1 2 3 15 25
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_fs generic
> > +_supported_os Linux
> > +_require_scratch
> > +_require_attrs
> > +
> > +rm -f $seqres.full
> > +
> > +_consume_freesp()
> > +{
> > +	file=$1
> > +
> > +	# consume nearly all available space (leave ~512kB)
> > +	avail=`_get_available_space $SCRATCH_MNT`
> 
> Seems you missed "_get_available_space" function definition in
> common/rc? I got "command not found" error.
> 

Ah, sorry... that is actually part of a previous patch. I meant to point
out that this depends on the following patch due to the use of the new
helper:

http://thread.gmane.org/gmane.comp.file-systems.fstests/834

Sorry for the confusion.

Brian

> Thanks,
> Eryu
> > +	filesizekb=$((avail / 1024 - 512))
> > +	$XFS_IO_PROG -fc "falloc 0 ${filesizekb}k" $file
> > +}
> > +
> > +_scratch_mkfs >> $seqres.full 2>&1
> > +_scratch_mount
> > +
> > +for i in $(seq 0 63); do
> > +	touch $SCRATCH_MNT/$seq.$i
> > +done
> > +
> > +# Generate a large attribute value and consume the rest of the space in the
> > +# filesystem.
> > +$XFS_IO_PROG -fc "pwrite 0 64k" $SCRATCH_MNT/attrval > /dev/null 2>&1
> > +_consume_freesp $SCRATCH_MNT/spc
> > +
> > +# Set attributes on the test files. These should start to hit ENOSPC.
> > +for i in $(seq 0 63); do
> > +	$SETFATTR_PROG -n user.test -v "`cat $SCRATCH_MNT/attrval`" \
> > +		$SCRATCH_MNT/$seq.$i >> $seqres.full 2>&1
> > +done
> > +
> > +# Remove the files with attributes to test attribute fork teardown. Problems
> > +# result in dmesg output.
> > +rm -f $SCRATCH_MNT/$seq.*
> > +
> > +echo Silence is golden.
> > +
> > +status=0
> > +exit
> > diff --git a/tests/generic/103.out b/tests/generic/103.out
> > new file mode 100644
> > index 0000000..ce229bf
> > --- /dev/null
> > +++ b/tests/generic/103.out
> > @@ -0,0 +1,2 @@
> > +QA output created by 103
> > +Silence is golden.
> > diff --git a/tests/generic/group b/tests/generic/group
> > index 0c8964c..41f3039 100644
> > --- a/tests/generic/group
> > +++ b/tests/generic/group
> > @@ -98,6 +98,7 @@
> >  097 udf auto
> >  099 udf auto
> >  100 udf auto
> > +103 auto enospc quick
> >  105 acl auto quick
> >  112 rw aio auto quick
> >  113 rw aio auto quick
> > -- 
> > 1.9.3
> > 
> > --
> > To unsubscribe from this list: send the line "unsubscribe fstests" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
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Eryu Guan June 26, 2015, 6:15 a.m. UTC | #3
On Tue, Jun 23, 2015 at 12:47:24PM -0400, Brian Foster wrote:
> XFS had a regression where inode reclaim in the unlink codepath would
> not correctly tear down extended attribute forks where no xattr extents
> are present. Add a generic test to create this condition.
> 
> The test sets extended attributes on a series of files under ENOSPC
> conditions and then verifies that the files can be removed without
> syslog warnings or errors.
> 
> Signed-off-by: Brian Foster <bfoster@redhat.com>
> ---
>  tests/generic/103     | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/generic/103.out |  2 ++
>  tests/generic/group   |  1 +
>  3 files changed, 94 insertions(+)
>  create mode 100755 tests/generic/103
>  create mode 100644 tests/generic/103.out
> 
> diff --git a/tests/generic/103 b/tests/generic/103
> new file mode 100755
> index 0000000..373cd9d
> --- /dev/null
> +++ b/tests/generic/103
> @@ -0,0 +1,91 @@
> +#! /bin/bash
> +# FSQA Test No. 103
> +#
> +# Test attribute fork teardown. This test is inspired by a regression in XFS
> +# that resulted in problematic removal of inodes with remote attribute forks
> +# without attribute extents. The attribute fork condition is created by
> +# attempting to set larger attribute values on a filesystem that is at or near
> +# ENOSPC.
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2015 Red Hat, Inc.  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"
> +
> +_cleanup()
> +{
> +        cd /
> +        rm -f $tmp.*
> +}
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1	# failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15 25
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/attr
> +
> +# real QA test starts here
> +_supported_fs generic
> +_supported_os Linux
> +_require_scratch
> +_require_attrs
> +
> +rm -f $seqres.full
> +
> +_consume_freesp()
> +{
> +	file=$1
> +
> +	# consume nearly all available space (leave ~512kB)
> +	avail=`_get_available_space $SCRATCH_MNT`
> +	filesizekb=$((avail / 1024 - 512))
> +	$XFS_IO_PROG -fc "falloc 0 ${filesizekb}k" $file

This fails ext2/3 which don't have fallocate(2) support, need
_require_xfs_io_command "falloc".

This blocks ext2/3 from testing but extN just doesn't support 64k xattr
value, we don't lose much test coverage. On the other hand, changing
falloc to pwrite extends test time significantly (2s -> 30+s) and
doesn't gain much benefit.

> +}
> +
> +_scratch_mkfs >> $seqres.full 2>&1
> +_scratch_mount
> +
> +for i in $(seq 0 63); do
> +	touch $SCRATCH_MNT/$seq.$i
> +done
> +
> +# Generate a large attribute value and consume the rest of the space in the
> +# filesystem.
> +$XFS_IO_PROG -fc "pwrite 0 64k" $SCRATCH_MNT/attrval > /dev/null 2>&1
> +_consume_freesp $SCRATCH_MNT/spc
> +
> +# Set attributes on the test files. These should start to hit ENOSPC.
> +for i in $(seq 0 63); do
> +	$SETFATTR_PROG -n user.test -v "`cat $SCRATCH_MNT/attrval`" \
> +		$SCRATCH_MNT/$seq.$i >> $seqres.full 2>&1
> +done
> +
> +# Remove the files with attributes to test attribute fork teardown. Problems
> +# result in dmesg output.
> +rm -f $SCRATCH_MNT/$seq.*

I see xfs corruption after the test, I think that's expected.

But I just want to point out here that _check_dmesg is unable to detect
the call traces in dmesg now, as the call trace doesn't have "WARNING",
"kernel BUG" etc. keywords that _check_dmesg searches for, we rely on
_check_fimesystems to fail the test.

Thanks,
Eryu
> +
> +echo Silence is golden.
> +
> +status=0
> +exit
> diff --git a/tests/generic/103.out b/tests/generic/103.out
> new file mode 100644
> index 0000000..ce229bf
> --- /dev/null
> +++ b/tests/generic/103.out
> @@ -0,0 +1,2 @@
> +QA output created by 103
> +Silence is golden.
> diff --git a/tests/generic/group b/tests/generic/group
> index 0c8964c..41f3039 100644
> --- a/tests/generic/group
> +++ b/tests/generic/group
> @@ -98,6 +98,7 @@
>  097 udf auto
>  099 udf auto
>  100 udf auto
> +103 auto enospc quick
>  105 acl auto quick
>  112 rw aio auto quick
>  113 rw aio auto quick
> -- 
> 1.9.3
> 
> --
> To unsubscribe from this list: send the line "unsubscribe fstests" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
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Brian Foster June 26, 2015, 11:28 a.m. UTC | #4
On Fri, Jun 26, 2015 at 02:15:45PM +0800, Eryu Guan wrote:
> On Tue, Jun 23, 2015 at 12:47:24PM -0400, Brian Foster wrote:
> > XFS had a regression where inode reclaim in the unlink codepath would
> > not correctly tear down extended attribute forks where no xattr extents
> > are present. Add a generic test to create this condition.
> > 
> > The test sets extended attributes on a series of files under ENOSPC
> > conditions and then verifies that the files can be removed without
> > syslog warnings or errors.
> > 
> > Signed-off-by: Brian Foster <bfoster@redhat.com>
> > ---
> >  tests/generic/103     | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/generic/103.out |  2 ++
> >  tests/generic/group   |  1 +
> >  3 files changed, 94 insertions(+)
> >  create mode 100755 tests/generic/103
> >  create mode 100644 tests/generic/103.out
> > 
> > diff --git a/tests/generic/103 b/tests/generic/103
> > new file mode 100755
> > index 0000000..373cd9d
> > --- /dev/null
> > +++ b/tests/generic/103
> > @@ -0,0 +1,91 @@
> > +#! /bin/bash
> > +# FSQA Test No. 103
> > +#
> > +# Test attribute fork teardown. This test is inspired by a regression in XFS
> > +# that resulted in problematic removal of inodes with remote attribute forks
> > +# without attribute extents. The attribute fork condition is created by
> > +# attempting to set larger attribute values on a filesystem that is at or near
> > +# ENOSPC.
> > +#
> > +#-----------------------------------------------------------------------
> > +# Copyright (c) 2015 Red Hat, Inc.  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"
> > +
> > +_cleanup()
> > +{
> > +        cd /
> > +        rm -f $tmp.*
> > +}
> > +
> > +here=`pwd`
> > +tmp=/tmp/$$
> > +status=1	# failure is the default!
> > +trap "_cleanup; exit \$status" 0 1 2 3 15 25
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +. ./common/attr
> > +
> > +# real QA test starts here
> > +_supported_fs generic
> > +_supported_os Linux
> > +_require_scratch
> > +_require_attrs
> > +
> > +rm -f $seqres.full
> > +
> > +_consume_freesp()
> > +{
> > +	file=$1
> > +
> > +	# consume nearly all available space (leave ~512kB)
> > +	avail=`_get_available_space $SCRATCH_MNT`
> > +	filesizekb=$((avail / 1024 - 512))
> > +	$XFS_IO_PROG -fc "falloc 0 ${filesizekb}k" $file
> 
> This fails ext2/3 which don't have fallocate(2) support, need
> _require_xfs_io_command "falloc".
> 

Ok.

> This blocks ext2/3 from testing but extN just doesn't support 64k xattr
> value, we don't lose much test coverage. On the other hand, changing
> falloc to pwrite extends test time significantly (2s -> 30+s) and
> doesn't gain much benefit.
> 

Yeah, I don't think it's worth that. It runs really quickly now and the
reason behind it is an XFS regression.

> > +}
> > +
> > +_scratch_mkfs >> $seqres.full 2>&1
> > +_scratch_mount
> > +
> > +for i in $(seq 0 63); do
> > +	touch $SCRATCH_MNT/$seq.$i
> > +done
> > +
> > +# Generate a large attribute value and consume the rest of the space in the
> > +# filesystem.
> > +$XFS_IO_PROG -fc "pwrite 0 64k" $SCRATCH_MNT/attrval > /dev/null 2>&1
> > +_consume_freesp $SCRATCH_MNT/spc
> > +
> > +# Set attributes on the test files. These should start to hit ENOSPC.
> > +for i in $(seq 0 63); do
> > +	$SETFATTR_PROG -n user.test -v "`cat $SCRATCH_MNT/attrval`" \
> > +		$SCRATCH_MNT/$seq.$i >> $seqres.full 2>&1
> > +done
> > +
> > +# Remove the files with attributes to test attribute fork teardown. Problems
> > +# result in dmesg output.
> > +rm -f $SCRATCH_MNT/$seq.*
> 
> I see xfs corruption after the test, I think that's expected.
> 

The problem should be fixed upstream, though 4.1 might still fail. I
also need to backport the fix now that it's merged. ;)

> But I just want to point out here that _check_dmesg is unable to detect
> the call traces in dmesg now, as the call trace doesn't have "WARNING",
> "kernel BUG" etc. keywords that _check_dmesg searches for, we rely on
> _check_fimesystems to fail the test.
> 

Good catch, thanks. The failure here is an XFS error as opposed to a
BUG() or warning. I've updated _check_dmesg() to catch "Internal error"
as well.

Brian

> Thanks,
> Eryu
> > +
> > +echo Silence is golden.
> > +
> > +status=0
> > +exit
> > diff --git a/tests/generic/103.out b/tests/generic/103.out
> > new file mode 100644
> > index 0000000..ce229bf
> > --- /dev/null
> > +++ b/tests/generic/103.out
> > @@ -0,0 +1,2 @@
> > +QA output created by 103
> > +Silence is golden.
> > diff --git a/tests/generic/group b/tests/generic/group
> > index 0c8964c..41f3039 100644
> > --- a/tests/generic/group
> > +++ b/tests/generic/group
> > @@ -98,6 +98,7 @@
> >  097 udf auto
> >  099 udf auto
> >  100 udf auto
> > +103 auto enospc quick
> >  105 acl auto quick
> >  112 rw aio auto quick
> >  113 rw aio auto quick
> > -- 
> > 1.9.3
> > 
> > --
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Patch
diff mbox

diff --git a/tests/generic/103 b/tests/generic/103
new file mode 100755
index 0000000..373cd9d
--- /dev/null
+++ b/tests/generic/103
@@ -0,0 +1,91 @@ 
+#! /bin/bash
+# FSQA Test No. 103
+#
+# Test attribute fork teardown. This test is inspired by a regression in XFS
+# that resulted in problematic removal of inodes with remote attribute forks
+# without attribute extents. The attribute fork condition is created by
+# attempting to set larger attribute values on a filesystem that is at or near
+# ENOSPC.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Red Hat, Inc.  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"
+
+_cleanup()
+{
+        cd /
+        rm -f $tmp.*
+}
+
+here=`pwd`
+tmp=/tmp/$$
+status=1	# failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15 25
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/attr
+
+# real QA test starts here
+_supported_fs generic
+_supported_os Linux
+_require_scratch
+_require_attrs
+
+rm -f $seqres.full
+
+_consume_freesp()
+{
+	file=$1
+
+	# consume nearly all available space (leave ~512kB)
+	avail=`_get_available_space $SCRATCH_MNT`
+	filesizekb=$((avail / 1024 - 512))
+	$XFS_IO_PROG -fc "falloc 0 ${filesizekb}k" $file
+}
+
+_scratch_mkfs >> $seqres.full 2>&1
+_scratch_mount
+
+for i in $(seq 0 63); do
+	touch $SCRATCH_MNT/$seq.$i
+done
+
+# Generate a large attribute value and consume the rest of the space in the
+# filesystem.
+$XFS_IO_PROG -fc "pwrite 0 64k" $SCRATCH_MNT/attrval > /dev/null 2>&1
+_consume_freesp $SCRATCH_MNT/spc
+
+# Set attributes on the test files. These should start to hit ENOSPC.
+for i in $(seq 0 63); do
+	$SETFATTR_PROG -n user.test -v "`cat $SCRATCH_MNT/attrval`" \
+		$SCRATCH_MNT/$seq.$i >> $seqres.full 2>&1
+done
+
+# Remove the files with attributes to test attribute fork teardown. Problems
+# result in dmesg output.
+rm -f $SCRATCH_MNT/$seq.*
+
+echo Silence is golden.
+
+status=0
+exit
diff --git a/tests/generic/103.out b/tests/generic/103.out
new file mode 100644
index 0000000..ce229bf
--- /dev/null
+++ b/tests/generic/103.out
@@ -0,0 +1,2 @@ 
+QA output created by 103
+Silence is golden.
diff --git a/tests/generic/group b/tests/generic/group
index 0c8964c..41f3039 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -98,6 +98,7 @@ 
 097 udf auto
 099 udf auto
 100 udf auto
+103 auto enospc quick
 105 acl auto quick
 112 rw aio auto quick
 113 rw aio auto quick