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a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=GoEa3M9JfhUA:10 a=iPTbjaDHlymigReUiAoA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-ORIG-GUID: 3uF19DDuAD8YfBd4LQm7LZXXfkXtCED6 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjI3MDExNyBTYWx0ZWRfX4ibtkNWM8Saa v7tVZT7+vs/imW6XmVw54em2DSwx6Rwo0124qiOB58Gszc5zvkAp912A4gYj5g94GgbnLVfoP1x FvZwQY3xX7Mzo4Yf5bdzq39eDLG6FsQpxiNKQPh20g6KWh7vr6WOSnGe7Fz3duiSH7EC+mtk+he kaso/b1jGV59rFZCWzOVAQ2pAsnsA3VdtPO+6um7KcTqOdgM0D1RTHfL/WOdUXRQMBnCGTyET4B 8sgeYPXkhtdDicTnYHqogpkX8es5n5mH/yhnQ7fMhb1DgWbvi/Wrgc6geoisIMsnzXa2MBABQgs HUiyVQEziMLwTI/O7g6X3cXuBFUlYXh4XI0s0eRlKUoWjbr0VpFOaHCqzj2oPoPaLSFgFkIrl0y NC2zswGIcKsucJzWw7Sl9drheaTyrz5wE7oiMpl/xVjp/CLviK5lNgtjRrnB6HjwTiGcoJBw > +touch "$SCRATCH_MNT/f1" > +awu_min_write=$(_get_atomic_write_unit_min "$SCRATCH_MNT/f1") > +awu_max_write=$(_get_atomic_write_unit_max "$SCRATCH_MNT/f1") > +blocksize=$(_max "$awu_min_write" "$((awu_max_write/2))") > + > +# XFS can have high awu_max_write due to software fallback. Cap it at 64k This test fails on xfs due for this reason. software fallback -based atomic writes have no serialization against reads or other writes. Can you cap at atomic write unit max opt? That will mean that we get serialization from atomic write HW support. BTW, to repeat what I said before, it can also fail for atomic write bios using HW support, as reads may be split. See this sample output: generic/1226 68s ... - output mismatch (see /home/opc/xfstests-dev/results//generic/1226.out.bad) --- tests/generic/1226.out 2025-06-27 11:26:58.411121674 +0000 +++ /home/opc/xfstests-dev/results//generic/1226.out.bad 2025-06-27 14:03:08.933811064 +0000 @@ -1,2 +1,104 @@ QA output created by 1226 +crc32c: verify failed at file /home/opc/mnt/scratch/test-file offset 16457728, length 8192 (requested block: offset=16457728, length=8192, flags=84) + Expected CRC: 712de900 + Received CRC: f872a18d +crc32c: verify failed at file /home/opc/mnt/scratch/test-file offset 88104960, length 8192 (requested block: offset=88104960, length=8192, flags=84) + Expected CRC: 4aaaf009 + Received CRC: 2a5770cf ... (Run 'diff -u /home/opc/xfstests-dev/tests/generic/1226.out /home/opc/xfstests-dev/results//generic/1226.out.bad' to see the entire diff) Ran: generic/1226 Failures: generic/1226 Failed 1 of 1 tests [root@jgarry-ol9new xfstests-dev]# cat /sys/block/sdi/queue/max_sectors_kb 4 [root@jgarry-ol9new xfstests-dev]# However, nobody should fiddle with max_sectors_kb, so the test still has value. > +blocksize=$(_min "$blocksize" "65536") > + > +fio_config=$tmp.fio > +fio_out=$tmp.fio.out > +