[LU-13346] Fix link and rename race on zfs odb

Related — Fri, 13 Aug 2021 19:31:54 +0000
https://jira.whamcloud.com/browse/LU-12848
Uncovered an issue with ZFS w/sanity 105:
== sanityn test 105: A racy rename/link an open file should not cause fs corruption ================== 13:15:42 (1574273742)
fail_loc=0x8000018a
/home/green/git/lustre-release/lustre/tests/sanityn.sh: line 4905: 10460 Terminated              $MULTIOP $DIR2/$tdir/mdt0dir/foodir/file2 Ow4096_c
rm: cannot remove '/mnt/lustre/d105.sanityn/mdt1dir/file2x': No such file or directory
 sanityn test_105: @@@@@@ FAIL: Removing test dir failed 
  Trace dump:
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6108:error()
  = /home/green/git/lustre-release/lustre/tests/sanityn.sh:4906:test_105()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6410:run_one()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6449:run_one_logged()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6280:run_test()
  = /home/green/git/lustre-release/lustre/tests/sanityn.sh:4908:main()
Dumping lctl log to /tmp/testlogs//sanityn.test_105.*.1574273747.log
oleg256-server: Warning: Permanently added 'oleg256-client.virtnet' (ECDSA) to the list of known hosts.
oleg256-server: rsync: chown "/tmp/testlogs/.sanityn.test_105.debug_log.oleg256-server.1574273747.log.Gd6d36" failed: Operation not permitted (1)
oleg256-server: rsync: chown "/tmp/testlogs/.sanityn.test_105.dmesg.oleg256-server.1574273747.log.uwPdAz" failed: Operation not permitted (1)
oleg256-server: rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1178) [sender=3.1.2]
pdsh@oleg256-client: oleg256-server: ssh exited with exit code 23
Resetting fail_loc on all nodes...done.
FAIL 105 (6s)
cleanup: ======================================================
== sanityn test complete, duration 21 sec ============================================================ 13:15:51 (1574273751)
sanityn: FAIL: test_105 Removing test dir failed
rm: cannot remove '/mnt/lustre/d105.sanityn/mdt1dir': Directory not empty
 sanityn test_105: @@@@@@ FAIL: remove sub-test dirs failed 
  Trace dump:
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:6108:error()
  = /home/green/git/lustre-release/lustre/tests/test-framework.sh:5593:check_and_cleanup_lustre()
  = /home/green/git/lustre-release/lustre/tests/sanityn.sh:4920:main()
Dumping lctl log to /tmp/testlogs//sanityn.test_105.*.1574273752.log
oleg256-server: rsync: chown "/tmp/testlogs/.sanityn.test_105.debug_log.oleg256-server.1574273752.log.65aqHO" failed: Operation not permitted (1)
oleg256-server: rsync: chown "/tmp/testlogs/.sanityn.test_105.dmesg.oleg256-server.1574273752.log.rhRRav" failed: Operation not permitted (1)
oleg256-server: rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1178) [sender=3.1.2]
pdsh@oleg256-client: oleg256-server: ssh exited with exit code 23
Whamcloud Community JIRA

[LU-13346] Fix link and rename race on zfs odb
