On Wed, Apr 28, 2021 at 01:47:33PM -0400, Brian Foster wrote: > On Tue, Apr 27, 2021 at 09:09:12PM -0700, Darrick J. Wong wrote: > > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > > > This is yet another one of those tests that looks at what happens when > > we run out of space for more metadata (in this case, xattrs). Make sure > > that the 256M we write to the file to try to stimulate ENOSPC gets > > written to the same place that xfs puts xattr data -- the data device. > > > > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> > > --- > > tests/generic/449 | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > > > diff --git a/tests/generic/449 b/tests/generic/449 > > index a2d882df..5fd15367 100755 > > --- a/tests/generic/449 > > +++ b/tests/generic/449 > > @@ -43,6 +43,11 @@ _require_attrs trusted > > _scratch_mkfs_sized $((256 * 1024 * 1024)) >> $seqres.full 2>&1 > > _scratch_mount || _fail "mount failed" > > > > +# This is a test of xattr behavior when we run out of disk space for xattrs, > > +# so make sure the pwrite goes to the data device and not the rt volume. > > +test "$FSTYP" = "xfs" && \ > > + $XFS_IO_PROG -c 'chattr -t' $SCRATCH_MNT > > + > > This seems like the type of thing we'll consistently be playing > whack-a-mole with unless we come up with a better way to manage it. I'm > not sure what the solution for that is though, so: I don't know either, sadly. Most of the culprits are either xfs-specific tests that fiddle with the disk format, or ENOSPC testers that rely on data writes using the same space manager as metadata, or vice versa. --D > Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> > > > TFILE=$SCRATCH_MNT/testfile.$seq > > > > # Create the test file and choose its permissions > > >