On Tue, Apr 27, 2021 at 09:09:47PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > In commit 725feeff, I forgot that xfs has *not* always supported all > swap file configurations -- the bmap swapfile activation prior to the > introduction of iomap_swapfile_activate did not permit the use of > unwritten extents in the swap file. Therefore, kick xfs out of the > always-supported list. > > Fixes: 725feeff ("common/rc: swapon should not fail for given FS in _require_scratch_swapfile()") > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> > --- Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> > common/rc | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > > diff --git a/common/rc b/common/rc > index 429cc24d..7882355a 100644 > --- a/common/rc > +++ b/common/rc > @@ -2494,10 +2494,10 @@ _require_scratch_swapfile() > statx_attr="$($XFS_IO_PROG -c 'statx -r' $SCRATCH_MNT/swap 2>/dev/null | grep 'stat.attributes = ' | awk '{print $3}')" > test "$((statx_attr & 0x200000))" -gt 0 && _notrun "swapfiles not supported on DAX" > > - # ext* and xfs have supported all variants of swap files since their > + # ext* has supported all variants of swap files since their > # introduction, so swapon should not fail. > case "$FSTYP" in > - ext2|ext3|ext4|xfs) > + ext2|ext3|ext4) > if ! swapon "$SCRATCH_MNT/swap" >/dev/null 2>&1; then > _scratch_unmount > _fail "swapon failed for $FSTYP" >