Generic/263 is failing whenever client and server both supports READ_PLUS. I'm not even sure the failure is wrong. The NFS FALLOC operation doesn't support those other other fallocate modes, are they implemented elsewhere in the kernel or libc somehow? Anyway, odd that it would have anything to do with READ_PLUS. --b. generic/263 109s ... [failed, exit status 1]- output mismatch (see /root/xfstests-dev/results//generic/263.out.bad) --- tests/generic/263.out 2019-12-20 17:34:10.493343575 -0500 +++ /root/xfstests-dev/results//generic/263.out.bad 2020-10-27 13:43:41.968835322 -0400 @@ -1,3 +1,2018 @@ QA output created by 263 fsx -N 10000 -o 8192 -l 500000 -r PSIZE -t BSIZE -w BSIZE -Z -fsx -N 10000 -o 128000 -l 500000 -r PSIZE -t BSIZE -w BSIZE -Z +Seed set to 1 +main: filesystem does not support fallocate mode FALLOC_FL_KEEP_SIZE, disabling! +main: filesystem does not support fallocate mode FALLOC_FL_ZERO_RANGE, disabling! +main: filesystem does not support fallocate mode FALLOC_FL_COLLAPSE_RANGE, disabling! ... (Run 'diff -u /root/xfstests-dev/tests/generic/263.out /root/xfstests-dev/results//generic/263.out.bad' to see the entire diff) Ran: generic/263 Failures: generic/263 Failed 1 of 1 tests