i=liangzhen,i=maxim,b=16321:

-   made concurrent_sends read-only at run time.

lnet/ChangeLog

@@ -17,6 +17,11 @@ Bugzilla   :
 Description: 
 Details    : 
 
+Severity   : minor
+Bugzilla   : 16321
+Description: concurrent_sends in IB LNDs should not be changeable at run time
+Details    : concurrent_sends in IB LNDs should not be changeable at run time
+
 Severity   : normal
 Bugzilla   : 15272
 Description: ptl_send_rpc hits LASSERT when ptl_send_buf fails

lnet/klnds/iiblnd/iiblnd_modparams.c

@@ -212,7 +212,7 @@ static cfs_sysctl_table_t kibnal_ctl_table[] = {
                 .procname = "concurrent_sends",
                 .data     = &concurrent_sends,
                 .maxlen   = sizeof(int),
-                .mode     = 0644,
+                .mode     = 0444,
                 .proc_handler = &proc_dointvec
         },
         {0}
@@ -221,7 +221,7 @@ static cfs_sysctl_table_t kibnal_ctl_table[] = {
 static cfs_sysctl_table_t kibnal_top_ctl_table[] = {
         {
                 .ctl_name = 203,
-                .procname = "openibnal",
+                .procname = "iibnal",
                 .data     = NULL,
                 .maxlen   = 0,
                 .mode     = 0555,

lnet/klnds/o2iblnd/o2iblnd_modparams.c

@@ -199,7 +199,7 @@ static cfs_sysctl_table_t kiblnd_ctl_table[] = {
                 .procname = "concurrent_sends",
                 .data     = &concurrent_sends,
                 .maxlen   = sizeof(int),
-                .mode     = 0644,
+                .mode     = 0444,
                 .proc_handler = &proc_dointvec
         },
         {

lnet/klnds/viblnd/viblnd_modparams.c

@@ -272,7 +272,7 @@ static cfs_sysctl_table_t kibnal_ctl_table[] = {
                 .procname = "concurrent_sends",
                 .data     = &concurrent_sends,
                 .maxlen   = sizeof(int),
-                .mode     = 0644,
+                .mode     = 0444,
                 .proc_handler = &proc_dointvec
         },
 #if IBNAL_USE_FMR