LU-10224 obd: free obd_svc_stats when all users are gone

[fs/lustre-release.git] / lustre / ptlrpc / lproc_ptlrpc.c

diff --git a/lustre/ptlrpc/lproc_ptlrpc.c b/lustre/ptlrpc/lproc_ptlrpc.c
index a1829b0..b4c7da4 100644 (file)
--- a/lustre/ptlrpc/lproc_ptlrpc.c
+++ b/lustre/ptlrpc/lproc_ptlrpc.c
@@ -1240,6 +1240,11 @@ void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc)
 
 void ptlrpc_lprocfs_unregister_obd(struct obd_device *obd)
 {
+       /* cleanup first to allow concurrent access to device's
+        * stats via debugfs to complete safely
+        */
+       lprocfs_obd_cleanup(obd);
+
         if (obd->obd_svc_procroot)
                 lprocfs_remove(&obd->obd_svc_procroot);