LU-12678 lnet: discard ksnn_lock

[fs/lustre-release.git] / lnet / klnds / socklnd / socklnd.h

diff --git a/lnet/klnds/socklnd/socklnd.h b/lnet/klnds/socklnd/socklnd.h
index bc77359..b1ce888 100644 (file)
--- a/lnet/klnds/socklnd/socklnd.h
+++ b/lnet/klnds/socklnd/socklnd.h
@@ -156,13 +156,15 @@ struct ksock_tunables {
 
 struct ksock_net {
        __u64             ksnn_incarnation;     /* my epoch */
-       spinlock_t        ksnn_lock;            /* serialise */
        struct list_head  ksnn_list;            /* chain on global list */
-       int               ksnn_npeers;          /* # peers */
-       int               ksnn_shutdown;        /* shutting down? */
+       atomic_t          ksnn_npeers;          /* # peers */
        int               ksnn_ninterfaces;     /* IP interfaces */
        struct ksock_interface ksnn_interfaces[LNET_INTERFACES_NUM];
 };
+/* When the ksock_net is shut down, this (negative) bias is added to
+ * ksnn_npeers, which prevents new peers from being added.
+ */
+#define SOCKNAL_SHUTDOWN_BIAS  (INT_MIN+1)
 
 /** connd timeout */
 #define SOCKNAL_CONND_TIMEOUT  120