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Ratelimit deadman zevents as with delay zevents

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Just as delay zevents can flood the zevent pipe when a vdev becomes
unresponsive, so do the deadman zevents.

Ratelimit deadman zevents according to the same tunable as for delay
zevents.

Enable deadman tests on FreeBSD and add a test for deadman event
ratelimiting. 

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Don Brady <don.brady@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #11786
This commit is contained in:
Ryan Moeller
2021-04-07 19:23:57 -04:00
committed by GitHub
parent c9c6537731
commit e778b0485b
9 changed files with 102 additions and 12 deletions
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tests/runfiles/common.run
+6
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@@ -577,6 +577,12 @@ tags = ['functional', 'cp_files']
tests = ['ctime_001_pos' ]
tags = ['functional', 'ctime']
[tests/functional/deadman]
tests = ['deadman_ratelimit', 'deadman_sync', 'deadman_zio']
pre =
post =
tags = ['functional', 'deadman']
[tests/functional/delegate]
tests = ['zfs_allow_001_pos', 'zfs_allow_002_pos', 'zfs_allow_003_pos',
'zfs_allow_004_pos', 'zfs_allow_005_pos', 'zfs_allow_006_pos',