LU-14550 libcfs: fix setting of debug_path

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

diff --git a/libcfs/libcfs/debug.c b/libcfs/libcfs/debug.c
index d82b2c1..412a10c 100644 (file)
--- a/libcfs/libcfs/debug.c
+++ b/libcfs/libcfs/debug.c
@@ -250,11 +250,9 @@ EXPORT_SYMBOL(libcfs_kmem);
 
 static DECLARE_COMPLETION(debug_complete);
 
-char libcfs_debug_file_path_arr[PATH_MAX] = LIBCFS_DEBUG_FILE_PATH_DEFAULT;
-EXPORT_SYMBOL(libcfs_debug_file_path_arr);
-
 /* We need to pass a pointer here, but elsewhere this must be a const */
-static char *libcfs_debug_file_path = LIBCFS_DEBUG_FILE_PATH_DEFAULT;
+char *libcfs_debug_file_path = LIBCFS_DEBUG_FILE_PATH_DEFAULT;
+EXPORT_SYMBOL(libcfs_debug_file_path);
 module_param(libcfs_debug_file_path, charp, 0644);
 MODULE_PARM_DESC(libcfs_debug_file_path,
                 "Path for dumping debug logs, set 'NONE' to prevent log dumping");
@@ -403,11 +401,11 @@ static void libcfs_debug_dumplog_internal(void *arg)
 
        current_time = ktime_get_real_seconds();
 
-       if (strncmp(libcfs_debug_file_path_arr, "NONE", 4) != 0 &&
+       if (strncmp(libcfs_debug_file_path, "NONE", 4) != 0 &&
            current_time > last_dump_time) {
                last_dump_time = current_time;
                snprintf(debug_file_name, sizeof(debug_file_name) - 1,
-                        "%s.%lld.%ld", libcfs_debug_file_path_arr,
+                        "%s.%lld.%ld", libcfs_debug_file_path,
                         (s64)current_time, (uintptr_t)arg);
                pr_alert("LustreError: dumping log to %s\n", debug_file_name);
                cfs_tracefile_dump_all_pages(debug_file_name);
@@ -680,12 +678,6 @@ int libcfs_debug_init(unsigned long bufsize)
                libcfs_console_min_delay = CDEBUG_DEFAULT_MIN_DELAY;
        }
 
-       if (libcfs_debug_file_path) {
-               strlcpy(libcfs_debug_file_path_arr,
-                       libcfs_debug_file_path,
-                       sizeof(libcfs_debug_file_path_arr));
-       }
-
        /* If libcfs_debug_mb is uninitialized then just make the
         * total buffers smp_num_cpus * TCD_MAX_PAGES
         */