LU-5396 all: use NULL instead of 0

[fs/lustre-release.git] / lustre / mdc / lproc_mdc.c

diff --git a/lustre/mdc/lproc_mdc.c b/lustre/mdc/lproc_mdc.c
index 69e377f..3eaf776 100644 (file)
--- a/lustre/mdc/lproc_mdc.c
+++ b/lustre/mdc/lproc_mdc.c
@@ -27,7 +27,7 @@
  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -40,41 +40,39 @@
 #include <obd_class.h>
 #include <lprocfs_status.h>
 
+#include "mdc_internal.h"
+
 #ifdef LPROCFS
 
 static int mdc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
 {
        struct obd_device *dev = m->private;
-       struct client_obd *cli = &dev->u.cli;
+       __u32 max;
        int rc;
 
-       client_obd_list_lock(&cli->cl_loi_list_lock);
-       rc = seq_printf(m, "%u\n", cli->cl_max_rpcs_in_flight);
-       client_obd_list_unlock(&cli->cl_loi_list_lock);
+       max = obd_get_max_rpcs_in_flight(&dev->u.cli);
+       rc = seq_printf(m, "%u\n", max);
+
        return rc;
 }
 
 static ssize_t mdc_max_rpcs_in_flight_seq_write(struct file *file,
-                                               const char *buffer,
+                                               const char __user *buffer,
                                                size_t count,
                                                loff_t *off)
 {
        struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
-        struct client_obd *cli = &dev->u.cli;
-        int val, rc;
-
-        rc = lprocfs_write_helper(buffer, count, &val);
-        if (rc)
-                return rc;
+       int val;
+       int rc;
 
-        if (val < 1 || val > MDC_MAX_RIF_MAX)
-                return -ERANGE;
+       rc = lprocfs_write_helper(buffer, count, &val);
+       if (rc == 0)
+               rc = obd_set_max_rpcs_in_flight(&dev->u.cli, val);
 
-        client_obd_list_lock(&cli->cl_loi_list_lock);
-        cli->cl_max_rpcs_in_flight = val;
-        client_obd_list_unlock(&cli->cl_loi_list_lock);
+       if (rc != 0)
+               count = rc;
 
-        return count;
+       return count;
 }
 LPROC_SEQ_FOPS(mdc_max_rpcs_in_flight);
 
@@ -144,6 +142,6 @@ struct lprocfs_seq_vars lprocfs_mdc_obd_vars[] = {
          .fops =       &mdc_state_fops                 },
        { .name =       "pinger_recov",
          .fops =       &mdc_pinger_recov_fops          },
-       { 0 }
+       { NULL }
 };
 #endif /* LPROCFS */