On Sun, Jul 17, 2022 at 12:24:21AM +0800, Zorro Lang wrote:
> On Fri, Jul 15, 2022 at 03:24:22PM -0700, Darrick J. Wong wrote:
> > On Sat, Jul 16, 2022 at 02:27:42AM +0800, Zorro Lang wrote:
> > > On Tue, Jul 12, 2022 at 05:56:45PM -0700, Darrick J. Wong wrote:
> > > > From: Darrick J. Wong <djwong@xxxxxxxxxx>
> > > >
> > > > Nearly all of the reflink and fpunch/fcollapse/finsert tests that I have
> > > > written assumed that it was ok to use 64k as the fundamental unit of
> > > > allocation. This works fine for testing the XFS data device, since the
> > > > file allocation unit is always a power of two, and never larger than
> > > > 64k. Making this assumption allows those tests to encode md5sums in the
> > > > golden output for easy file data integrity checking.
> > > >
> > > > Unfortunately, this isn't necessarily the case when we're testing
> > > > reflink and fallocate on the XFS realtime device. For those
> > > > configurations, the file allocation unit is a realtime extent, which can
> > > > be any integer multiple of the block size. If the request length isn't
> > > > an exact multiple of the allocation unit size, reflink and fallocate
> > > > will fail due to alignment issues, so there's no point in running these
> > > > tests.
> > > >
> > > > Assuming this edgecase configuration of an edgecase feature is
> > > > vanishingly rare, let's just _notrun the tests instead of rewriting a
> > > > ton of tests to do their integrity checking by hand.
> > > >
> > > > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> > > > ---
>
> [snip]
>
> > > > +# Given a file path and a byte length of a file operation under test, ensure
> > > > +# that the length is an integer multiple of the file's allocation unit size.
> > > > +# In other words, skip the test unless (oplen ≡ alloc_unit mod 0). This is
> > > > +# intended for file remapping operations.
> > > > +_require_congruent_file_oplen()
> > > > +{
> > > > + local file="$1"
> > > > + local alloc_unit=$(_get_file_block_size "$file")
> > > > + local oplen="$2"
> > > > +
> > > > + test $alloc_unit -gt $oplen && \
> > > > + _notrun "$1: file alloc unit $alloc_unit larger than op length $oplen"
> > > > + test $((oplen % alloc_unit)) -eq 0 || \
> > > > + _notrun "$1: file alloc unit $alloc_unit not congruent with op length $oplen"
> > > > +}
> > > > +
> > >
> > > I think this patch is good, but just one concern from my. I just found This patch
> > > might reduce test coverage of some filesystems. For example on nfs, the generic/116
> > > test passed on nfsv4.2[1], but _notrun with this patch[2].
> > >
> > > But that might be a problem of _get_file_block_size(), I don't learn about
> > > nfs or other network-fs much, not sure how to get its "file alloc unit"
> > > properly:)
> >
> > Hm. On my system, NFS is mounted with rsize=1M and stat reports 1M as
> > the blocksize. Reducing rsize to 32k causes stat to report a 32k
> > blocksize as well.
> >
> > Reading the manual page, rsize=XXX determines the largest read request
> > that the client will send to the server. That's pretty far from the
> > file allocation unit size, though TBH NFS servers don't know or care
> > what the underlying filesystem does.
> >
> > I suspect the answer here is to tweak _require_congruent_file_oplen to
> > nop for NFS, since the client doesn't know the answer. I would imagine
> > the same applies to cifs, but people smarter than me can chime in on
> > that. ;)
>
> Hmm... I don't have better idea than that, not sure white list or black list
> would be better. If there's not better idea from others, let's follow your
> way (bypass NFS, CIFS, glusterfs, ceph?? ) at first, to avoid reducing some
> fs' testing coverage suddently without proper notification.
Ok, I'll do that.
--D
> Thanks,
> Zorro
>
> >
> > --D
> >
> > > Thanks,
> > > Zorro
> > >
> > > [1]
> > > generic/116 7s
> > > Ran: generic/116
> > > Passed all 1 tests
> > >
> > > [2]
> > > generic/116 [not run] /mnt/xfstests/test/nfs-client/test-116: file alloc unit 1048576 larger than op length 65536
> > >
> > > > # Get the minimum block size of an fs.
> > > > _get_block_size()
> > > > {
> > > > diff --git a/tests/generic/031 b/tests/generic/031
> > > > index cbb2fc34..0d2e8268 100755
> > > > --- a/tests/generic/031
> > > > +++ b/tests/generic/031
> > > > @@ -25,6 +25,7 @@ testfile=$SCRATCH_MNT/testfile
> > > >
> > > > _scratch_mkfs > /dev/null 2>&1
> > > > _scratch_mount
> > > > +_require_congruent_file_oplen $SCRATCH_MNT 4096
> > > >
> > > > $XFS_IO_PROG -f \
> > > > -c "pwrite 185332 55756" \
> > > > diff --git a/tests/generic/116 b/tests/generic/116
> > > > index b8816e31..7f83d994 100755
> > > > --- a/tests/generic/116
> > > > +++ b/tests/generic/116
> > > > @@ -31,6 +31,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $testdir $blksz
> > > > _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file2 >> $seqres.full
> > > > _test_cycle_mount
> > > > diff --git a/tests/generic/118 b/tests/generic/118
> > > > index 4fa2e1e3..2b2a1b48 100755
> > > > --- a/tests/generic/118
> > > > +++ b/tests/generic/118
> > > > @@ -32,6 +32,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $testdir $blksz
> > > > _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x62 $((blksz * 2)) $((blksz * 6)) $testdir/file2 >> $seqres.full
> > > > _test_cycle_mount
> > > > diff --git a/tests/generic/119 b/tests/generic/119
> > > > index fd4c3661..bcf0fdc5 100755
> > > > --- a/tests/generic/119
> > > > +++ b/tests/generic/119
> > > > @@ -34,6 +34,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $testdir $blksz
> > > > _pwrite_byte 0x61 0 $((blksz * 8)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x62 0 $((blksz * 8)) $testdir/file2 >> $seqres.full
> > > > _pwrite_byte 0x63 0 $((blksz * 8)) $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/121 b/tests/generic/121
> > > > index 43137469..e9038240 100755
> > > > --- a/tests/generic/121
> > > > +++ b/tests/generic/121
> > > > @@ -31,6 +31,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $TEST_DIR $blksz
> > > > _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file2 >> $seqres.full
> > > > _test_cycle_mount
> > > > diff --git a/tests/generic/122 b/tests/generic/122
> > > > index fbf3f1f2..bb1b605d 100755
> > > > --- a/tests/generic/122
> > > > +++ b/tests/generic/122
> > > > @@ -31,6 +31,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $testdir $blksz
> > > > _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x62 $((blksz * 2)) $((blksz * 6)) $testdir/file2 >> $seqres.full
> > > > _test_cycle_mount
> > > > diff --git a/tests/generic/134 b/tests/generic/134
> > > > index ab76f046..58b81872 100755
> > > > --- a/tests/generic/134
> > > > +++ b/tests/generic/134
> > > > @@ -35,6 +35,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $TEST_DIR $blksz
> > > > _pwrite_byte 0x61 0 $((blksz + 37)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x61 0 $((blksz + 37)) $testdir/file2 >> $seqres.full
> > > > _pwrite_byte 0x62 0 $((blksz + 37)) $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/136 b/tests/generic/136
> > > > index 98ebb0da..c5b80074 100755
> > > > --- a/tests/generic/136
> > > > +++ b/tests/generic/136
> > > > @@ -35,6 +35,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $TEST_DIR $blksz
> > > > _pwrite_byte 0x61 0 $((blksz + 37)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x61 0 $((blksz + 37)) $testdir/file2 >> $seqres.full
> > > > _pwrite_byte 0x62 0 $((blksz + 37)) $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/137 b/tests/generic/137
> > > > index fb0071b1..8ee705fd 100755
> > > > --- a/tests/generic/137
> > > > +++ b/tests/generic/137
> > > > @@ -37,6 +37,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original file blocks"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $TEST_DIR $blksz
> > > > _pwrite_byte 0x61 0 $blksz $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x62 $blksz $((blksz * 2)) $testdir/file1 >> $seqres.full
> > > >
> > > > diff --git a/tests/generic/144 b/tests/generic/144
> > > > index 842d51f3..35f7a319 100755
> > > > --- a/tests/generic/144
> > > > +++ b/tests/generic/144
> > > > @@ -35,6 +35,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $testdir $blksz
> > > > _pwrite_byte 0x61 0 $((blksz * 5 + 37)) $testdir/file1 >> $seqres.full
> > > >
> > > > _reflink_range $testdir/file1 $blksz $testdir/file2 $blksz \
> > > > diff --git a/tests/generic/149 b/tests/generic/149
> > > > index 5343a139..108f1368 100755
> > > > --- a/tests/generic/149
> > > > +++ b/tests/generic/149
> > > > @@ -35,6 +35,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $TEST_DIR $blksz
> > > > _pwrite_byte 0x61 0 $blksz $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x62 $blksz $blksz $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x63 $((blksz * 2)) $blksz $testdir/file1 >> $seqres.full
> > > > diff --git a/tests/generic/162 b/tests/generic/162
> > > > index 0dc17f75..7b625e86 100755
> > > > --- a/tests/generic/162
> > > > +++ b/tests/generic/162
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > > loops=512
> > > > nr_loops=$((loops - 1))
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Initialize files"
> > > > echo >> $seqres.full
> > > > diff --git a/tests/generic/163 b/tests/generic/163
> > > > index 4a6c341e..91da69d3 100755
> > > > --- a/tests/generic/163
> > > > +++ b/tests/generic/163
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > > loops=512
> > > > nr_loops=$((loops - 1))
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Initialize files"
> > > > echo >> $seqres.full
> > > > diff --git a/tests/generic/164 b/tests/generic/164
> > > > index 8e0b630b..56c05e37 100755
> > > > --- a/tests/generic/164
> > > > +++ b/tests/generic/164
> > > > @@ -40,6 +40,7 @@ mkdir $testdir
> > > > loops=512
> > > > nr_loops=$((loops - 1))
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Initialize files"
> > > > echo >> $seqres.full
> > > > diff --git a/tests/generic/165 b/tests/generic/165
> > > > index d9e6a6e9..bc24bcab 100755
> > > > --- a/tests/generic/165
> > > > +++ b/tests/generic/165
> > > > @@ -41,6 +41,7 @@ mkdir $testdir
> > > > loops=512
> > > > nr_loops=$((loops - 1))
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Initialize files"
> > > > echo >> $seqres.full
> > > > diff --git a/tests/generic/168 b/tests/generic/168
> > > > index 575ff08c..bdc8f7a0 100755
> > > > --- a/tests/generic/168
> > > > +++ b/tests/generic/168
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > > loops=1024
> > > > nr_loops=$((loops - 1))
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Initialize files"
> > > > echo >> $seqres.full
> > > > diff --git a/tests/generic/170 b/tests/generic/170
> > > > index d323ab8f..593cfbb7 100755
> > > > --- a/tests/generic/170
> > > > +++ b/tests/generic/170
> > > > @@ -40,6 +40,7 @@ mkdir $testdir
> > > > loops=1024
> > > > nr_loops=$((loops - 1))
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Initialize files"
> > > > echo >> $seqres.full
> > > > diff --git a/tests/generic/181 b/tests/generic/181
> > > > index 2b4617be..5e5883df 100755
> > > > --- a/tests/generic/181
> > > > +++ b/tests/generic/181
> > > > @@ -33,6 +33,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $TEST_DIR $blksz
> > > > _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x62 0 $((blksz * 256)) $testdir/file2 >> $seqres.full
> > > > _pwrite_byte 0x62 0 $((blksz * 2)) $testdir/file2.chk >> $seqres.full
> > > > diff --git a/tests/generic/183 b/tests/generic/183
> > > > index 77bfcfcb..c8614514 100755
> > > > --- a/tests/generic/183
> > > > +++ b/tests/generic/183
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x61 0 $filesize $testdir/file1 >> $seqres.full
> > > > diff --git a/tests/generic/185 b/tests/generic/185
> > > > index 09469924..75dbc6b8 100755
> > > > --- a/tests/generic/185
> > > > +++ b/tests/generic/185
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x61 0 $filesize $testdir/file1 >> $seqres.full
> > > > diff --git a/tests/generic/186 b/tests/generic/186
> > > > index 37d88440..c5a1e13a 100755
> > > > --- a/tests/generic/186
> > > > +++ b/tests/generic/186
> > > > @@ -81,6 +81,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=1024
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x61 0 $filesize $testdir/file1 >> $seqres.full
> > > > diff --git a/tests/generic/187 b/tests/generic/187
> > > > index 152e3cc2..be7a635a 100755
> > > > --- a/tests/generic/187
> > > > +++ b/tests/generic/187
> > > > @@ -82,6 +82,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=1024
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x61 0 $filesize $testdir/file1 >> $seqres.full
> > > > diff --git a/tests/generic/188 b/tests/generic/188
> > > > index eab77b39..52a7f2d2 100755
> > > > --- a/tests/generic/188
> > > > +++ b/tests/generic/188
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_unwritten $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/189 b/tests/generic/189
> > > > index 75cca42a..63faac6e 100755
> > > > --- a/tests/generic/189
> > > > +++ b/tests/generic/189
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_unwritten $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/190 b/tests/generic/190
> > > > index 9e220740..b336f12b 100755
> > > > --- a/tests/generic/190
> > > > +++ b/tests/generic/190
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/191 b/tests/generic/191
> > > > index 78b9a3f0..1b12d9ac 100755
> > > > --- a/tests/generic/191
> > > > +++ b/tests/generic/191
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/194 b/tests/generic/194
> > > > index ff76438d..aa80560b 100755
> > > > --- a/tests/generic/194
> > > > +++ b/tests/generic/194
> > > > @@ -41,6 +41,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/195 b/tests/generic/195
> > > > index e087b99c..4f21201e 100755
> > > > --- a/tests/generic/195
> > > > +++ b/tests/generic/195
> > > > @@ -40,6 +40,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/196 b/tests/generic/196
> > > > index e2ae0410..366d0cad 100755
> > > > --- a/tests/generic/196
> > > > +++ b/tests/generic/196
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_regular $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/197 b/tests/generic/197
> > > > index c5f80207..ac314186 100755
> > > > --- a/tests/generic/197
> > > > +++ b/tests/generic/197
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_regular $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/199 b/tests/generic/199
> > > > index 2a8cafcc..2246fdd1 100755
> > > > --- a/tests/generic/199
> > > > +++ b/tests/generic/199
> > > > @@ -46,6 +46,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/200 b/tests/generic/200
> > > > index a1a78ef4..eeefeb50 100755
> > > > --- a/tests/generic/200
> > > > +++ b/tests/generic/200
> > > > @@ -46,6 +46,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/201 b/tests/generic/201
> > > > index 2598b44a..0a5a1d4a 100755
> > > > --- a/tests/generic/201
> > > > +++ b/tests/generic/201
> > > > @@ -34,6 +34,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x61 0 $filesize $testdir/file1 >> $seqres.full
> > > > diff --git a/tests/generic/284 b/tests/generic/284
> > > > index 729da77a..f9eefff3 100755
> > > > --- a/tests/generic/284
> > > > +++ b/tests/generic/284
> > > > @@ -32,6 +32,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _sweave_reflink_regular $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/287 b/tests/generic/287
> > > > index 76ea26ba..61301368 100755
> > > > --- a/tests/generic/287
> > > > +++ b/tests/generic/287
> > > > @@ -33,6 +33,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _sweave_reflink_regular $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/289 b/tests/generic/289
> > > > index ed4f3268..52d03c35 100755
> > > > --- a/tests/generic/289
> > > > +++ b/tests/generic/289
> > > > @@ -34,6 +34,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _sweave_reflink_unwritten $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/290 b/tests/generic/290
> > > > index 534fb24f..5352b9ba 100755
> > > > --- a/tests/generic/290
> > > > +++ b/tests/generic/290
> > > > @@ -35,6 +35,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _sweave_reflink_unwritten $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/291 b/tests/generic/291
> > > > index 50119c03..1c589cf6 100755
> > > > --- a/tests/generic/291
> > > > +++ b/tests/generic/291
> > > > @@ -34,6 +34,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _sweave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/292 b/tests/generic/292
> > > > index 24cdab53..725fe057 100755
> > > > --- a/tests/generic/292
> > > > +++ b/tests/generic/292
> > > > @@ -35,6 +35,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _sweave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/293 b/tests/generic/293
> > > > index 0f1d8416..05997501 100755
> > > > --- a/tests/generic/293
> > > > +++ b/tests/generic/293
> > > > @@ -36,6 +36,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _sweave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/295 b/tests/generic/295
> > > > index f66c1805..9ccf823f 100755
> > > > --- a/tests/generic/295
> > > > +++ b/tests/generic/295
> > > > @@ -37,6 +37,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _sweave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
> > > > diff --git a/tests/generic/352 b/tests/generic/352
> > > > index 3f504a29..608c6c81 100755
> > > > --- a/tests/generic/352
> > > > +++ b/tests/generic/352
> > > > @@ -29,6 +29,7 @@ _scratch_mkfs > /dev/null 2>&1
> > > > _scratch_mount
> > > >
> > > > blocksize=$((128 * 1024))
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blocksize
> > > > file="$SCRATCH_MNT/tmp"
> > > >
> > > > # Golden output is for $LOAD_FACTOR == 1 case
> > > > diff --git a/tests/generic/358 b/tests/generic/358
> > > > index 8c73ba36..91fe5e2b 100755
> > > > --- a/tests/generic/358
> > > > +++ b/tests/generic/358
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > >
> > > > blocks=64
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Initialize file"
> > > > _pwrite_byte 0x61 0 $((blocks * blksz)) $testdir/file >> $seqres.full
> > > > diff --git a/tests/generic/359 b/tests/generic/359
> > > > index 25692058..8ef4f846 100755
> > > > --- a/tests/generic/359
> > > > +++ b/tests/generic/359
> > > > @@ -41,6 +41,7 @@ mkdir $testdir
> > > >
> > > > blocks=64
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=4
> > > > halfway=$((blocks / 2 * blksz))
> > > > quarter=$((blocks / 4 * blksz))
> > > > diff --git a/tests/generic/372 b/tests/generic/372
> > > > index b83aa598..b649f590 100755
> > > > --- a/tests/generic/372
> > > > +++ b/tests/generic/372
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > >
> > > > blocks=5
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > sz=$((blocks * blksz))
> > > >
> > > > echo "Create the original files"
> > > > diff --git a/tests/generic/414 b/tests/generic/414
> > > > index 01b9da8e..6416216d 100755
> > > > --- a/tests/generic/414
> > > > +++ b/tests/generic/414
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > >
> > > > blocks=32
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > sz=$((blocks * blksz))
> > > >
> > > > echo "Create the original files"
> > > > diff --git a/tests/generic/501 b/tests/generic/501
> > > > index 8c3f627b..cb158ba5 100755
> > > > --- a/tests/generic/501
> > > > +++ b/tests/generic/501
> > > > @@ -34,6 +34,7 @@ _scratch_mkfs >>$seqres.full 2>&1
> > > > _require_metadata_journaling $SCRATCH_DEV
> > > > _init_flakey
> > > > _mount_flakey
> > > > +_require_congruent_file_oplen $SCRATCH_MNT 2097152
> > > >
> > > > # Use file sizes and offsets/lengths for the clone operation that are multiples
> > > > # of 64Kb, so that the test works on machine with any page size.
> > > > diff --git a/tests/generic/515 b/tests/generic/515
> > > > index 2f3bd400..758bd639 100755
> > > > --- a/tests/generic/515
> > > > +++ b/tests/generic/515
> > > > @@ -30,6 +30,7 @@ _scratch_mount
> > > > DONOR1=$SCRATCH_MNT/a
> > > > TARGET=$SCRATCH_MNT/b
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > $XFS_IO_PROG -f -c "pwrite -S 0x72 0 $blksz" $DONOR1 >> $seqres.full
> > > >
> > > > diff --git a/tests/generic/516 b/tests/generic/516
> > > > index 790ad532..e846ee24 100755
> > > > --- a/tests/generic/516
> > > > +++ b/tests/generic/516
> > > > @@ -31,6 +31,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $TEST_DIR $blksz
> > > > _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file1 >> $seqres.full
> > > > _pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file2 >> $seqres.full
> > > > _pwrite_byte 0x62 $(((blksz * 6) - 33)) 1 $testdir/file2 >> $seqres.full
> > > > diff --git a/tests/generic/540 b/tests/generic/540
> > > > index 38e00f97..da36939a 100755
> > > > --- a/tests/generic/540
> > > > +++ b/tests/generic/540
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2 >> $seqres.full
> > > > diff --git a/tests/generic/541 b/tests/generic/541
> > > > index 89b2adad..a0f6cae3 100755
> > > > --- a/tests/generic/541
> > > > +++ b/tests/generic/541
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2 >> $seqres.full
> > > > diff --git a/tests/generic/542 b/tests/generic/542
> > > > index e7682f59..530fb8e0 100755
> > > > --- a/tests/generic/542
> > > > +++ b/tests/generic/542
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2 >> $seqres.full
> > > > diff --git a/tests/generic/543 b/tests/generic/543
> > > > index 624cfc41..1dad37fb 100755
> > > > --- a/tests/generic/543
> > > > +++ b/tests/generic/543
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > _pwrite_byte 0x64 0 $((blksz * nr)) $testdir/file2 >> $seqres.full
> > > > diff --git a/tests/generic/544 b/tests/generic/544
> > > > index 4dbaea4d..a4f654af 100755
> > > > --- a/tests/generic/544
> > > > +++ b/tests/generic/544
> > > > @@ -27,6 +27,7 @@ _scratch_mkfs > $seqres.full 2>&1
> > > > _scratch_mount >> $seqres.full 2>&1
> > > >
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=2
> > > > filesize=$((blksz * nr))
> > > > testdir=$SCRATCH_MNT/test-$seq
> > > > diff --git a/tests/generic/546 b/tests/generic/546
> > > > index 7723b980..9dc507be 100755
> > > > --- a/tests/generic/546
> > > > +++ b/tests/generic/546
> > > > @@ -39,6 +39,7 @@ _scratch_mkfs_sized $((512 * 1024 * 1024)) >> $seqres.full 2>&1
> > > > _require_metadata_journaling $SCRATCH_DEV
> > > > _init_flakey
> > > > _mount_flakey
> > > > +_require_congruent_file_oplen $SCRATCH_MNT 4096
> > > >
> > > > # Create preallocated extent where we can write into
> > > > $XFS_IO_PROG -f -c 'falloc 8k 64m' "$SCRATCH_MNT/foobar" >> $seqres.full
> > > > diff --git a/tests/generic/578 b/tests/generic/578
> > > > index 01929a28..d04cacb4 100755
> > > > --- a/tests/generic/578
> > > > +++ b/tests/generic/578
> > > > @@ -41,6 +41,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $TEST_DIR $blksz
> > > > filesz=$((blksz * 4))
> > > > _pwrite_byte 0x61 0 $filesz $testdir/file1 >> $seqres.full
> > > > _cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
> > > > diff --git a/tests/generic/588 b/tests/generic/588
> > > > index 563ff65e..a915a73e 100755
> > > > --- a/tests/generic/588
> > > > +++ b/tests/generic/588
> > > > @@ -35,6 +35,8 @@ _require_metadata_journaling $SCRATCH_DEV
> > > > _init_flakey
> > > > _mount_flakey
> > > >
> > > > +_require_congruent_file_oplen $SCRATCH_MNT 65536
> > > > +
> > > > # Create our test file with two 256Kb extents, one at file offset 0 and the
> > > > # other at file offset 256Kb.
> > > > $XFS_IO_PROG -f -c "pwrite -S 0xa3 0 256K" \
> > > > diff --git a/tests/generic/673 b/tests/generic/673
> > > > index e40e672a..4d8dc07e 100755
> > > > --- a/tests/generic/673
> > > > +++ b/tests/generic/673
> > > > @@ -22,6 +22,7 @@ _require_scratch_reflink
> > > >
> > > > _scratch_mkfs >> $seqres.full
> > > > _scratch_mount
> > > > +_require_congruent_file_oplen $SCRATCH_MNT 1048576
> > > > chmod a+rw $SCRATCH_MNT/
> > > >
> > > > setup_testfile() {
> > > > diff --git a/tests/generic/674 b/tests/generic/674
> > > > index 920ed5f2..a3130249 100755
> > > > --- a/tests/generic/674
> > > > +++ b/tests/generic/674
> > > > @@ -23,6 +23,7 @@ _require_xfs_io_command dedupe
> > > >
> > > > _scratch_mkfs >> $seqres.full
> > > > _scratch_mount
> > > > +_require_congruent_file_oplen $SCRATCH_MNT 1048576
> > > > chmod a+rw $SCRATCH_MNT/
> > > >
> > > > setup_testfile() {
> > > > diff --git a/tests/generic/675 b/tests/generic/675
> > > > index 23b7e545..189251f2 100755
> > > > --- a/tests/generic/675
> > > > +++ b/tests/generic/675
> > > > @@ -24,6 +24,7 @@ _require_scratch_reflink
> > > >
> > > > _scratch_mkfs >> $seqres.full
> > > > _scratch_mount
> > > > +_require_congruent_file_oplen $SCRATCH_MNT 1048576
> > > > chmod a+rw $SCRATCH_MNT/
> > > >
> > > > setup_testfile() {
> > > > diff --git a/tests/generic/683 b/tests/generic/683
> > > > index 746ead86..4c93346d 100755
> > > > --- a/tests/generic/683
> > > > +++ b/tests/generic/683
> > > > @@ -28,6 +28,7 @@ _require_user
> > > > _require_test
> > > > verb=falloc
> > > > _require_xfs_io_command $verb
> > > > +_require_congruent_file_oplen $TEST_DIR 65536
> > > >
> > > > junk_dir=$TEST_DIR/$seq
> > > > junk_file=$junk_dir/a
> > > > diff --git a/tests/generic/684 b/tests/generic/684
> > > > index 4bebeff0..03481e69 100755
> > > > --- a/tests/generic/684
> > > > +++ b/tests/generic/684
> > > > @@ -28,6 +28,7 @@ _require_user
> > > > _require_test
> > > > verb=fpunch
> > > > _require_xfs_io_command $verb
> > > > +_require_congruent_file_oplen $TEST_DIR 65536
> > > >
> > > > junk_dir=$TEST_DIR/$seq
> > > > junk_file=$junk_dir/a
> > > > diff --git a/tests/generic/685 b/tests/generic/685
> > > > index 03447e00..6a108842 100755
> > > > --- a/tests/generic/685
> > > > +++ b/tests/generic/685
> > > > @@ -28,6 +28,7 @@ _require_user
> > > > _require_test
> > > > verb=fzero
> > > > _require_xfs_io_command $verb
> > > > +_require_congruent_file_oplen $TEST_DIR 65536
> > > >
> > > > junk_dir=$TEST_DIR/$seq
> > > > junk_file=$junk_dir/a
> > > > diff --git a/tests/generic/686 b/tests/generic/686
> > > > index eae3cbda..4279f76b 100755
> > > > --- a/tests/generic/686
> > > > +++ b/tests/generic/686
> > > > @@ -28,6 +28,7 @@ _require_user
> > > > _require_test
> > > > verb=finsert
> > > > _require_xfs_io_command $verb
> > > > +_require_congruent_file_oplen $TEST_DIR 65536
> > > >
> > > > junk_dir=$TEST_DIR/$seq
> > > > junk_file=$junk_dir/a
> > > > diff --git a/tests/generic/687 b/tests/generic/687
> > > > index 0bd421e5..78cb6202 100755
> > > > --- a/tests/generic/687
> > > > +++ b/tests/generic/687
> > > > @@ -28,6 +28,7 @@ _require_user
> > > > _require_test
> > > > verb=fcollapse
> > > > _require_xfs_io_command $verb
> > > > +_require_congruent_file_oplen $TEST_DIR 65536
> > > >
> > > > junk_dir=$TEST_DIR/$seq
> > > > junk_file=$junk_dir/a
> > > > diff --git a/tests/generic/688 b/tests/generic/688
> > > > index 905c46ac..426286b6 100755
> > > > --- a/tests/generic/688
> > > > +++ b/tests/generic/688
> > > > @@ -28,6 +28,7 @@ _require_command "$GETCAP_PROG" getcap
> > > > _require_command "$SETCAP_PROG" setcap
> > > > _require_xfs_io_command falloc
> > > > _require_test
> > > > +_require_congruent_file_oplen $TEST_DIR 65536
> > > >
> > > > junk_dir=$TEST_DIR/$seq
> > > > junk_file=$junk_dir/a
> > > > diff --git a/tests/xfs/114 b/tests/xfs/114
> > > > index a0ea1d13..3aec814a 100755
> > > > --- a/tests/xfs/114
> > > > +++ b/tests/xfs/114
> > > > @@ -35,6 +35,8 @@ len1=$((blocks1 * blksz))
> > > > len2=$((blocks2 * blksz))
> > > > file_blksz=$(_get_file_block_size $SCRATCH_MNT)
> > > >
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > +
> > > > echo "Create some files"
> > > > $XFS_IO_PROG -f \
> > > > -c "falloc 0 $len1" \
> > > > diff --git a/tests/xfs/208 b/tests/xfs/208
> > > > index 66c3eda1..0fbb99c8 100755
> > > > --- a/tests/xfs/208
> > > > +++ b/tests/xfs/208
> > > > @@ -35,6 +35,7 @@ testdir=$SCRATCH_MNT/test-$seq
> > > > mkdir $testdir
> > > >
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=128
> > > > filesize=$((blksz * nr))
> > > > bufnr=16
> > > > diff --git a/tests/xfs/210 b/tests/xfs/210
> > > > index 6edc5606..2439967b 100755
> > > > --- a/tests/xfs/210
> > > > +++ b/tests/xfs/210
> > > > @@ -27,6 +27,7 @@ _require_xfs_io_command "cowextsize"
> > > > echo "Format and mount"
> > > > _scratch_mkfs > $seqres.full 2>&1
> > > > _scratch_mount >> $seqres.full 2>&1
> > > > +_require_congruent_file_oplen $SCRATCH_MNT 65536
> > > >
> > > > testdir=$SCRATCH_MNT/test-$seq
> > > > mkdir $testdir
> > > > diff --git a/tests/xfs/212 b/tests/xfs/212
> > > > index b133e09b..805a72af 100755
> > > > --- a/tests/xfs/212
> > > > +++ b/tests/xfs/212
> > > > @@ -30,6 +30,7 @@ testdir=$SCRATCH_MNT/test-$seq
> > > > mkdir $testdir
> > > >
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=16
> > > > filesize=$((blksz * nr))
> > > > bufnr=2
> > > > diff --git a/tests/xfs/215 b/tests/xfs/215
> > > > index 20217187..c07cdd1a 100755
> > > > --- a/tests/xfs/215
> > > > +++ b/tests/xfs/215
> > > > @@ -34,6 +34,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/218 b/tests/xfs/218
> > > > index b834bbeb..cc3e1552 100755
> > > > --- a/tests/xfs/218
> > > > +++ b/tests/xfs/218
> > > > @@ -33,6 +33,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/219 b/tests/xfs/219
> > > > index b0eeb784..bd2c47bf 100755
> > > > --- a/tests/xfs/219
> > > > +++ b/tests/xfs/219
> > > > @@ -34,6 +34,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/221 b/tests/xfs/221
> > > > index 09b2067d..cda99b5c 100755
> > > > --- a/tests/xfs/221
> > > > +++ b/tests/xfs/221
> > > > @@ -33,6 +33,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/223 b/tests/xfs/223
> > > > index 11dbad14..e22c1ba9 100755
> > > > --- a/tests/xfs/223
> > > > +++ b/tests/xfs/223
> > > > @@ -36,6 +36,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/224 b/tests/xfs/224
> > > > index f8bab07e..7e984a8a 100755
> > > > --- a/tests/xfs/224
> > > > +++ b/tests/xfs/224
> > > > @@ -35,6 +35,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/225 b/tests/xfs/225
> > > > index 52a37d64..a07ef3f0 100755
> > > > --- a/tests/xfs/225
> > > > +++ b/tests/xfs/225
> > > > @@ -34,6 +34,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/226 b/tests/xfs/226
> > > > index 826bd08d..1e566e2e 100755
> > > > --- a/tests/xfs/226
> > > > +++ b/tests/xfs/226
> > > > @@ -33,6 +33,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/228 b/tests/xfs/228
> > > > index f2f2f6a9..85a4abc5 100755
> > > > --- a/tests/xfs/228
> > > > +++ b/tests/xfs/228
> > > > @@ -41,6 +41,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/230 b/tests/xfs/230
> > > > index 15f6b684..2347a307 100755
> > > > --- a/tests/xfs/230
> > > > +++ b/tests/xfs/230
> > > > @@ -41,6 +41,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > real_blksz=$(_get_block_size $testdir)
> > > > diff --git a/tests/xfs/248 b/tests/xfs/248
> > > > index 32902cb7..cdb1da02 100755
> > > > --- a/tests/xfs/248
> > > > +++ b/tests/xfs/248
> > > > @@ -34,6 +34,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > $XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
> > > > diff --git a/tests/xfs/249 b/tests/xfs/249
> > > > index 774d3bf2..0c4b0335 100755
> > > > --- a/tests/xfs/249
> > > > +++ b/tests/xfs/249
> > > > @@ -35,6 +35,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > $XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
> > > > diff --git a/tests/xfs/251 b/tests/xfs/251
> > > > index 0b090180..1efa331d 100755
> > > > --- a/tests/xfs/251
> > > > +++ b/tests/xfs/251
> > > > @@ -36,6 +36,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > $XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
> > > > diff --git a/tests/xfs/254 b/tests/xfs/254
> > > > index 40d176fc..d08ccc52 100755
> > > > --- a/tests/xfs/254
> > > > +++ b/tests/xfs/254
> > > > @@ -37,6 +37,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > $XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
> > > > diff --git a/tests/xfs/255 b/tests/xfs/255
> > > > index 255f3b2f..8ec6f0be 100755
> > > > --- a/tests/xfs/255
> > > > +++ b/tests/xfs/255
> > > > @@ -36,6 +36,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > $XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
> > > > diff --git a/tests/xfs/256 b/tests/xfs/256
> > > > index 1c703242..7157d532 100755
> > > > --- a/tests/xfs/256
> > > > +++ b/tests/xfs/256
> > > > @@ -37,6 +37,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > $XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
> > > > diff --git a/tests/xfs/257 b/tests/xfs/257
> > > > index 6a58f0ac..c3100d60 100755
> > > > --- a/tests/xfs/257
> > > > +++ b/tests/xfs/257
> > > > @@ -38,6 +38,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > $XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
> > > > diff --git a/tests/xfs/258 b/tests/xfs/258
> > > > index 2865cdf9..a3a130ea 100755
> > > > --- a/tests/xfs/258
> > > > +++ b/tests/xfs/258
> > > > @@ -39,6 +39,7 @@ mkdir $testdir
> > > >
> > > > echo "Create the original files"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > nr=64
> > > > filesize=$((blksz * nr))
> > > > $XFS_IO_PROG -c "cowextsize $((blksz * 16))" $testdir >> $seqres.full
> > > > diff --git a/tests/xfs/280 b/tests/xfs/280
> > > > index bc26e629..0d9a7958 100755
> > > > --- a/tests/xfs/280
> > > > +++ b/tests/xfs/280
> > > > @@ -30,6 +30,7 @@ mkdir $testdir
> > > >
> > > > blocks=5
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > sz=$((blocks * blksz))
> > > >
> > > > echo "Create the original files"
> > > > diff --git a/tests/xfs/312 b/tests/xfs/312
> > > > index 94f868fe..e4884787 100755
> > > > --- a/tests/xfs/312
> > > > +++ b/tests/xfs/312
> > > > @@ -36,6 +36,7 @@ sz=$((blksz * blks))
> > > > echo "Format filesystem"
> > > > _scratch_mkfs >/dev/null 2>&1
> > > > _scratch_mount >> $seqres.full
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Create files"
> > > > _pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full
> > > > diff --git a/tests/xfs/315 b/tests/xfs/315
> > > > index 105515ab..9f6b39c8 100755
> > > > --- a/tests/xfs/315
> > > > +++ b/tests/xfs/315
> > > > @@ -37,6 +37,7 @@ sz=$((blksz * blks))
> > > > echo "Format filesystem"
> > > > _scratch_mkfs >/dev/null 2>&1
> > > > _scratch_mount >> $seqres.full
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > $XFS_IO_PROG -c "cowextsize $sz" $SCRATCH_MNT
> > > >
> > > > diff --git a/tests/xfs/322 b/tests/xfs/322
> > > > index 89a2f741..a2c3720e 100755
> > > > --- a/tests/xfs/322
> > > > +++ b/tests/xfs/322
> > > > @@ -36,6 +36,7 @@ sz=$((blksz * blks))
> > > > echo "Format filesystem"
> > > > _scratch_mkfs >/dev/null 2>&1
> > > > _scratch_mount >> $seqres.full
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > >
> > > > echo "Create files"
> > > > _pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full
> > > > diff --git a/tests/xfs/329 b/tests/xfs/329
> > > > index e9a30d05..4cad686c 100755
> > > > --- a/tests/xfs/329
> > > > +++ b/tests/xfs/329
> > > > @@ -31,6 +31,7 @@ _scratch_mount >> "$seqres.full" 2>&1
> > > >
> > > > testdir="$SCRATCH_MNT/test-$seq"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > blks=3
> > > > mkdir "$testdir"
> > > >
> > > > diff --git a/tests/xfs/436 b/tests/xfs/436
> > > > index d99183cf..9e6ec937 100755
> > > > --- a/tests/xfs/436
> > > > +++ b/tests/xfs/436
> > > > @@ -42,6 +42,7 @@ _scratch_mount -o noquota >> "$seqres.full" 2>&1
> > > >
> > > > testdir="$SCRATCH_MNT/test-$seq"
> > > > blksz=65536
> > > > +_require_congruent_file_oplen $SCRATCH_MNT $blksz
> > > > blks=3
> > > > mkdir "$testdir"
> > > >
> > > >
> > >
> >
>
