On Mon, Jun 25, 2018 at 12:00:54PM +0800, Eryu Guan wrote:
> On Thu, Jun 21, 2018 at 11:32:49AM -0700, Darrick J. Wong wrote:
> > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> >
> > Certain sequences of generic/127 invocations complain about being able
> > to mread nonzero contents past eof. Replicate that here as a regression
> > test.
> >
> > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> > ---
> > tests/generic/708 | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
> > tests/generic/708.out | 2 ++
> > tests/generic/group | 1 +
> > 3 files changed, 57 insertions(+)
> > create mode 100755 tests/generic/708
> > create mode 100644 tests/generic/708.out
> >
> >
> > diff --git a/tests/generic/708 b/tests/generic/708
> > new file mode 100755
> > index 00000000..d380053f
> > --- /dev/null
> > +++ b/tests/generic/708
> > @@ -0,0 +1,54 @@
> > +#! /bin/bash
> > +# SPDX-License-Identifier: GPL-2.0
> > +# Copyright (c) 2018 Oracle, Inc. All Rights Reserved.
> > +#
> > +# FS QA Test No. 708
> > +#
> > +# Test a specific sequence of fsx operations that causes an mmap read past
> > +# eof to return nonzero contents.
> > +#
> > +seq=`basename $0`
> > +seqres=$RESULT_DIR/$seq
> > +echo "QA output created by $seq"
> > +tmp=/tmp/$$
> > +status=1 # failure is the default!
> > +trap "_cleanup; exit \$status" 0 1 2 3 15
> > +
> > +_cleanup()
> > +{
> > + cd /
> > + rm -f $tmp.*
> > +}
> > +
> > +# get standard environment, filters and checks
> > +. ./common/rc
> > +
> > +# real QA test starts here
> > +_supported_fs generic
> > +_supported_os Linux
> > +_require_scratch
> > +
> > +rm -f $seqres.full
> > +
> > +_scratch_mkfs >>$seqres.full 2>&1
> > +_scratch_mount
> > +
> > +cat >> $tmp.fsxops << ENDL
> > +fallocate 0x77e2 0x5f06 0x269a2 keep_size
> > +mapwrite 0x2e7fc 0x42ba 0x3f989
> > +write 0x67a9 0x714e 0x3f989
> > +write 0x39f96 0x185a 0x3f989
> > +collapse_range 0x36000 0x8000 0x3f989
> > +mapread 0x74c0 0x1bb3 0x3e2d0
> > +truncate 0x0 0x8aa2 0x3e2d0
> > +zero_range 0x1265 0x783d 0x8aa2
> > +mapread 0x7bd8 0xeca 0x8aa2
> > +ENDL
> > +
> > +victim=$SCRATCH_MNT/a
> > +touch $victim
> > +$here/ltp/fsx --replay-ops $tmp.fsxops $victim > $tmp.output || cat $tmp.output
>
> This fails when $FSTYP doesn't support fallocate and the related flags,
> e.g. ext2 fails as
>
> QA output created by 708
> +main: filesystem does not support fallocate mode 0, disabling!
> +main: filesystem does not support fallocate mode FALLOC_FL_KEEP_SIZE, disabling!
> +main: filesystem does not support fallocate mode FALLOC_FL_ZERO_RANGE, disabling!
> +main: filesystem does not support fallocate mode FALLOC_FL_COLLAPSE_RANGE, disabling!
> +main: filesystem does not support fallocate mode FALLOC_FL_INSERT_RANGE, disabling!
Uhoh, the collapse/zero/insert checks got committed to the wrong patch.
:(
Will clean this up and resubmit.
--D
> Silence is golden
>
> The messages are just informative, I throw stderr to $tmp.output too on
> commit.
>
> Thanks,
> Eryu
>
> > +
> > +echo "Silence is golden"
> > +status=0
> > +exit
> > diff --git a/tests/generic/708.out b/tests/generic/708.out
> > new file mode 100644
> > index 00000000..33c478ad
> > --- /dev/null
> > +++ b/tests/generic/708.out
> > @@ -0,0 +1,2 @@
> > +QA output created by 708
> > +Silence is golden
> > diff --git a/tests/generic/group b/tests/generic/group
> > index 83a6fdab..1a1a0a6e 100644
> > --- a/tests/generic/group
> > +++ b/tests/generic/group
> > @@ -501,3 +501,4 @@
> > 496 auto quick swap
> > 497 auto quick swap collapse
> > 498 auto quick log
> > +708 auto quick rw collapse
> >
> --
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