LU-9728 osd: use GFP_HIGHUSER for non-local IO

[fs/lustre-release.git] / lnet / lnet / api-ni.c

diff --git a/lnet/lnet/api-ni.c b/lnet/lnet/api-ni.c
index 4341d99..1a5aa34 100644 (file)
--- a/lnet/lnet/api-ni.c
+++ b/lnet/lnet/api-ni.c
@@ -2935,6 +2935,35 @@ void LNetDebugPeer(struct lnet_process_id id)
 EXPORT_SYMBOL(LNetDebugPeer);
 
 /**
 EXPORT_SYMBOL(LNetDebugPeer);
 
 /**

+ * Determine if the specified peer \a nid is on the local node.
+ *
+ * \param nid  peer nid to check
+ *
+ * \retval true                If peer NID is on the local node.
+ * \retval false       If peer NID is not on the local node.
+ */
+bool LNetIsPeerLocal(lnet_nid_t nid)
+{
+       struct lnet_net *net;
+       struct lnet_ni *ni;
+       int cpt;
+
+       cpt = lnet_net_lock_current();
+       list_for_each_entry(net, &the_lnet.ln_nets, net_list) {
+               list_for_each_entry(ni, &net->net_ni_list, ni_netlist) {
+                       if (ni->ni_nid == nid) {
+                               lnet_net_unlock(cpt);
+                               return true;
+                       }
+               }
+       }
+       lnet_net_unlock(cpt);
+
+       return false;
+}
+EXPORT_SYMBOL(LNetIsPeerLocal);
+
+/**

  * Retrieve the struct lnet_process_id ID of LNet interface at \a index.
  * Note that all interfaces share a same PID, as requested by LNetNIInit().
  *
  * Retrieve the struct lnet_process_id ID of LNet interface at \a index.
  * Note that all interfaces share a same PID, as requested by LNetNIInit().
  *