From: Alexander Aring <aahringo@redhat.com>
Date: Tue, 10 Oct 2023 22:04:46 +0000 (-0400)
Subject: dlm: be sure we reset all nodes at forced shutdown
X-Git-Tag: v6.6.7~1251
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fd508e08ef54fc46c79e6f18dcbc352e38d07a6a;p=platform%2Fkernel%2Flinux-starfive.git

dlm: be sure we reset all nodes at forced shutdown

[ Upstream commit e759eb3e27e5b624930548f1c0eda90da6e26ee9 ]

In case we running in a force shutdown in either midcomms or lowcomms
implementation we will make sure we reset all per midcomms node
information.

Fixes: 63e711b08160 ("fs: dlm: create midcomms nodes when configure")
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c
index 4ad71e9..6bc8d7f 100644
--- a/fs/dlm/midcomms.c
+++ b/fs/dlm/midcomms.c
@@ -1405,10 +1405,16 @@ void dlm_midcomms_shutdown(void)
 			midcomms_shutdown(node);
 		}
 	}
-	srcu_read_unlock(&nodes_srcu, idx);
-	mutex_unlock(&close_lock);
 
 	dlm_lowcomms_shutdown();
+
+	for (i = 0; i < CONN_HASH_SIZE; i++) {
+		hlist_for_each_entry_rcu(node, &node_hash[i], hlist) {
+			midcomms_node_reset(node);
+		}
+	}
+	srcu_read_unlock(&nodes_srcu, idx);
+	mutex_unlock(&close_lock);
 }
 
 int dlm_midcomms_close(int nodeid)