LU-1201 checksum: add libcfs crypto hash

[fs/lustre-release.git] / libcfs / libcfs / tracefile.c

diff --git a/libcfs/libcfs/tracefile.c b/libcfs/libcfs/tracefile.c
index 76b76ec..115a70a 100644 (file)
--- a/libcfs/libcfs/tracefile.c
+++ b/libcfs/libcfs/tracefile.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -795,6 +793,7 @@ int cfs_trace_copyin_string(char *knl_buffer, int knl_buffer_nob,
         knl_buffer[nob + 1] = 0;                /* terminate */
         return 0;
 }
+EXPORT_SYMBOL(cfs_trace_copyin_string);
 
 int cfs_trace_copyout_string(char *usr_buffer, int usr_buffer_nob,
                              const char *knl_buffer, char *append)
@@ -931,15 +930,17 @@ int cfs_trace_set_debug_mb(int mb)
         struct cfs_trace_cpu_data *tcd;
 
         if (mb < cfs_num_possible_cpus()) {
-                printk(KERN_ERR "Cannot set debug_mb to %d, the value should be >= %d\n",
-                       mb, cfs_num_possible_cpus());
-                return -EINVAL;
+                printk(CFS_KERN_WARNING
+                       "Lustre: %d MB is too small for debug buffer size, "
+                       "setting it to %d MB.\n", mb, cfs_num_possible_cpus());
+                mb = cfs_num_possible_cpus();
         }
 
         if (mb > limit) {
-                printk(CFS_KERN_ERR "Lustre: Refusing to set debug buffer size "
-                       "to %dMB - limit is %d\n", mb, limit);
-                return -EINVAL;
+                printk(CFS_KERN_WARNING
+                       "Lustre: %d MB is too large for debug buffer size, "
+                       "setting it to %d MB.\n", mb, limit);
+                mb = limit;
         }
 
         mb /= cfs_num_possible_cpus();