On Tue, Sep 15, 2020 at 12:53:22PM +0530, Chandan Babu R wrote:
> On Tuesday 15 September 2020 12:49:22 PM IST Zorro Lang wrote:
> > On Tue, Sep 15, 2020 at 11:17:48AM +0530, Chandan Babu R wrote:
> > > This commit adds a test to check if growing a real-time device can end
> > > up logging an xfs_buf with the "type" subfield of
> > > bip->bli_formats->blf_flags set to XFS_BLFT_UNKNOWN_BUF. When this
> > > occurs the following call trace is printed on the console,
> > >
> > > XFS: Assertion failed: (bip->bli_flags & XFS_BLI_STALE) || (xfs_blft_from_flags(&bip->__bli_format) > XFS_BLFT_UNKNOWN_BUF && xfs_blft_from_flags(&bip->__bli_format) < XFS_BLFT_MAX_BUF), file: fs/xfs/xfs_buf_item.c, line: 331
> > > Call Trace:
> > > xfs_buf_item_format+0x632/0x680
> > > ? kmem_alloc_large+0x29/0x90
> > > ? kmem_alloc+0x70/0x120
> > > ? xfs_log_commit_cil+0x132/0x940
> > > xfs_log_commit_cil+0x26f/0x940
> > > ? xfs_buf_item_init+0x1ad/0x240
> > > ? xfs_growfs_rt_alloc+0x1fc/0x280
> > > __xfs_trans_commit+0xac/0x370
> > > xfs_growfs_rt_alloc+0x1fc/0x280
> > > xfs_growfs_rt+0x1a0/0x5e0
> > > xfs_file_ioctl+0x3fd/0xc70
> > > ? selinux_file_ioctl+0x174/0x220
> > > ksys_ioctl+0x87/0xc0
> > > __x64_sys_ioctl+0x16/0x20
> > > do_syscall_64+0x3e/0x70
> > > entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > >
> > > The kernel patch "xfs: Set xfs_buf type flag when growing summary/bitmap
> > > files" is required to fix this issue.
> > >
> > > Signed-off-by: Chandan Babu R <chandanrlinux@xxxxxxxxx>
> > > ---
> > > tests/xfs/260 | 53 +++++++++++++++++++++++++++++++++++++++++++++++
> > > tests/xfs/260.out | 2 ++
> > > tests/xfs/group | 1 +
> > > 3 files changed, 56 insertions(+)
> > > create mode 100755 tests/xfs/260
> > > create mode 100644 tests/xfs/260.out
> > >
> > > diff --git a/tests/xfs/260 b/tests/xfs/260
> > > new file mode 100755
> > > index 00000000..078d4a11
> > > --- /dev/null
> > > +++ b/tests/xfs/260
> > > @@ -0,0 +1,53 @@
> > > +#! /bin/bash
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +# Copyright (c) 2020 Chandan Babu R. All Rights Reserved.
> > > +#
> > > +# FS QA Test 260
> > > +#
> > > +# Test to check if growing a real-time device can end up logging an xfs_buf with
> > > +# the "type" subfield of bip->bli_formats->blf_flags set to
> > > +# XFS_BLFT_UNKNOWN_BUF.
> > > +#
> > > +# This is a regression test for the kernel patch "xfs: Set xfs_buf type flag
> > > +# when growing summary/bitmap files".
> > > +
> > > +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 -f $tmp.*
> > > +}
> > > +
> > > +# get standard environment, filters and checks
> > > +. ./common/rc
> > > +. ./common/filter
> > > +
> > > +# remove previous $seqres.full before test
> > > +rm -f $seqres.full
> > > +
> > > +# real QA test starts here
> > > +_supported_fs xfs
> > > +_supported_os Linux
> > > +_require_realtime
> > > +
> > > +_scratch_mkfs -r size=10M >> $seqres.full
> > > +
> > > +_scratch_mount >> $seqres.full
> > > +
> > > +$XFS_GROWFS_PROG $SCRATCH_MNT >> $seqres.full
> > > +
> > > +_scratch_unmount
> > > +
> > > +echo "Silence is golden"
> > > +
> > > +# success, all done
> > > +status=0
> > > +exit
> > > diff --git a/tests/xfs/260.out b/tests/xfs/260.out
> > > new file mode 100644
> > > index 00000000..18ca517c
> > > --- /dev/null
> > > +++ b/tests/xfs/260.out
> > > @@ -0,0 +1,2 @@
> > > +QA output created by 260
> > > +Silence is golden
> > > diff --git a/tests/xfs/group b/tests/xfs/group
> > > index ed0d389e..68676064 100644
> > > --- a/tests/xfs/group
> > > +++ b/tests/xfs/group
> > > @@ -257,6 +257,7 @@
> > > 257 auto quick clone
> > > 258 auto quick clone
> > > 259 auto quick
> > > +260 auto quick growfs realtime
> >
> > There's not 'realtime' group before. Although I don't have a objection to add
> > this group, if you'd like to add this one, my personal opinion is using another
> > patch to add all 'rt' related cases into this group, or don't use this group
> > name alone.
>
> Ok. I will write another patch to collect all realtime tests in one group. I
> will base the current patch on top of that.
Thank you. :)
I've started using the 'realtime' tag for a bunch of rt regression tests
that I've started collecting in my dev tree, which is why I suggested it
here.
--D
> >
> > Besides this nitpicking, others looks good to me.
> >
> > Reviewed-by: Zorro Lang <zlang@xxxxxxxxxx>
> >
> > Thanks,
> > Zorro
> >
> > > 261 auto quick quota
> > > 262 dangerous_fuzzers dangerous_scrub dangerous_online_repair
> > > 263 auto quick quota
> >
> >
>
> --
> chandan
>
>
>
