ZTS: alloc_class.ksh must wait for the process to exit

The alloc_class_* tests may fail on Linux with an EBUSY error if `zfs destroy` is run before the `dd` process has had a chance to terminate. Wait on the pid after the `kill -9` to make sure. When testing I didn't observe any failures for the alloc_class tests. Remove them from the exceptions list, the CI can verify they are passing on all platforms. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#11888
behlendorf · Dec 16, 2021 · 929af43 · 929af43
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diff --git a/tests/test-runner/bin/zts-report.py.in b/tests/test-runner/bin/zts-report.py.in
@@ -289,11 +289,6 @@ if sys.platform.startswith('freebsd'):
     })
 elif sys.platform.startswith('linux'):
     maybe.update({
-        'alloc_class/alloc_class_009_pos': ['FAIL', known_reason],
-        'alloc_class/alloc_class_010_pos': ['FAIL', known_reason],
-        'alloc_class/alloc_class_011_neg': ['FAIL', known_reason],
-        'alloc_class/alloc_class_012_pos': ['FAIL', known_reason],
-        'alloc_class/alloc_class_013_pos': ['FAIL', '11888'],
         'cli_root/zfs_rename/zfs_rename_002_pos': ['FAIL', known_reason],
         'cli_root/zpool_expand/zpool_expand_001_pos': ['FAIL', known_reason],
         'cli_root/zpool_expand/zpool_expand_005_pos': ['FAIL', known_reason],

diff --git a/tests/zfs-tests/tests/functional/alloc_class/alloc_class.kshlib b/tests/zfs-tests/tests/functional/alloc_class/alloc_class.kshlib
@@ -62,6 +62,7 @@ function display_status
 	((ret |= $?))
 
 	kill -9 $pid
+	wait $pid 2> /dev/null
 
 	return $ret
 }