On Wed, Aug 01, 2018 at 05:46:34PM -0700, Darrick J. Wong wrote:
> On Tue, Jul 31, 2018 at 01:41:19PM +0800, Zorro Lang wrote:
> > Commit b3cf8b72334fd35ef961869506e5a72ab398bc82 help xfs/288 to
> > support v5 filesystems testing, but there're still some old
> > distributions don't support xfs_db write '-d' option, or can't
> > write values into dir/attr of v5 filesystems.
> >
> > For compatible with older versions, skip this test on v5 xfs
> > if xfs_db write can't write v5 XFS dir/attr.
> >
> > Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx>
> > ---
> >
> > Hi,
> >
> > Xiao found v1 can't work well on xfsprogs-4.9, due to 'write -d' can't
> > write vaules into dir/attr of v5 filesystems before xfsprogs-4.13.
> >
> > Only check "if write command has -d option" is not enough. So I write
> > a function _require_xfs_db_write_da() to make sure current xfs_db
> > can write dir/attr (not only on v5, but especially for v5).
> >
> > Thanks,
> > Zorro
> >
> > common/xfs | 28 ++++++++++++++++++++++++++++
> > tests/xfs/288 | 1 +
> > 2 files changed, 29 insertions(+)
> >
> > diff --git a/common/xfs b/common/xfs
> > index d971b4a8..95dcfd59 100644
> > --- a/common/xfs
> > +++ b/common/xfs
> > @@ -720,6 +720,34 @@ _require_xfs_db_write_array()
> > [ $supported -eq 0 ] && _notrun "xfs_db write can't support array"
> > }
> >
> > +# Before xfsprogs commit 89baf918(xfs_db: write values into dir/attr blocks and
> > +# recalculate CRCs), xfs_db write command can't write invalid data into dir/attr
> > +# field of v5 filesystems. For some cases need to write dir/attr (especially crc
> > +# enabled), use this _require at first.
> > +_require_xfs_db_write_da()
> > +{
> > + local inum
> > + local count
> > +
> > + _require_scratch
> > +
> > + _scratch_mkfs > /dev/null 2>&1
> > + _scratch_mount
> > + mkdir $SCRATCH_MNT/$seq.dir
> > + inum=$(stat -c '%i' $SCRATCH_MNT/$seq.dir)
> > + $SETFATTR_PROG -n "user.testda" \
> > + -v "$(perl -e "print 'v' x 65536;")" \
> > + $SCRATCH_MNT/$seq.dir
> > + _scratch_unmount
> > + _scratch_xfs_set_metadata_field "hdr.count" "0" \
>
> Just FYI an upcoming change to the attr block verifier in 4.19 will
> break this because it rejects hdr.count == 0. Can you please set this
> to 1 instead of 0?
>
> > + "inode $inum" "ablock 0" >/dev/null 2>&1
> > + count=$(_scratch_xfs_get_metadata_field "hdr.count" \
> > + "inode $inum" "ablock 0")
> > + if [ "$count" != "0" ]; then
>
> And update the test here?
Sure, I can change the 0 to 1. BTW, does it affect xfs/288? Because xfs/288 set
hdr.count to 0 too.
Thanks,
Zorro
>
> --D
>
> > + _notrun "xfs_db write can't write values into dir/attr blocks"
> > + fi
> > +}
> > +
> > _require_xfs_spaceman_command()
> > {
> > if [ -z "$1" ]; then
> > diff --git a/tests/xfs/288 b/tests/xfs/288
> > index f4165b6c..e9589fd5 100755
> > --- a/tests/xfs/288
> > +++ b/tests/xfs/288
> > @@ -35,6 +35,7 @@ _supported_fs xfs
> > _supported_os Linux
> > _require_scratch
> > _require_attrs
> > +_require_xfs_db_write_da
> >
> > # get block size ($dbsize) from the mkfs output
> > _scratch_mkfs_xfs 2>/dev/null | _filter_mkfs 2>$tmp.mkfs >/dev/null
> > --
> > 2.14.4
> >
> > --
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