From: Patrick Donnelly <pdonnell@redhat.com>
Date: Wed, 15 Dec 2021 15:06:34 +0000 (-0500)
Subject: qa: test reintegration with directory limits
X-Git-Tag: v17.1.0~183^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=fe46985a638ee1588855ef41e617b3ef33cde82f;p=ceph.git

qa: test reintegration with directory limits

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
---

diff --git a/qa/tasks/cephfs/test_strays.py b/qa/tasks/cephfs/test_strays.py
index 6e96ee4d529e..e39803fd5c5f 100644
--- a/qa/tasks/cephfs/test_strays.py
+++ b/qa/tasks/cephfs/test_strays.py
@@ -345,6 +345,35 @@ class TestStrays(CephFSTestCase):
 
         self.await_data_pool_empty()
 
+    def test_reintegration_limit(self):
+        """
+        That the reintegration is not blocked by full directories.
+        """
+
+        LOW_LIMIT = 50
+        self.config_set('mds', 'mds_bal_fragment_size_max', str(LOW_LIMIT))
+        time.sleep(10) # for config to reach MDS; async create is fast!!
+
+        last_reintegrated = self.get_mdc_stat("strays_reintegrated")
+        self.mount_a.run_shell_payload("""
+        mkdir a b
+        for i in `seq 1 50`; do
+           touch a/"$i"
+           ln a/"$i" b/"$i"
+        done
+        sync -f a b
+        rm a/*
+        """)
+
+        self.wait_until_equal(
+            lambda: self.get_mdc_stat("num_strays"),
+            expect_val=0,
+            timeout=60
+        )
+        curr_reintegrated = self.get_mdc_stat("strays_reintegrated")
+        self.assertGreater(curr_reintegrated, last_reintegrated)
+
+
     def test_hardlink_reintegration(self):
         """
         That removal of primary dentry of hardlinked inode results