X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Futils%2Fliblustreapi_param.c;h=56c19791826c34c8be8514714fd80a172633945f;hb=1d40214d96dd6e36bd39a35f8419f753bae8d305;hp=65cad298f5fb7c320c3ad8d5c7e272fb7735e31f;hpb=8813fdf2a4f2055e4867df653644f12ac4c78b15;p=fs%2Flustre-release.git

diff --git a/lustre/utils/liblustreapi_param.c b/lustre/utils/liblustreapi_param.c
index 65cad29..56c1979 100644
--- a/lustre/utils/liblustreapi_param.c
+++ b/lustre/utils/liblustreapi_param.c
@@ -21,6 +21,8 @@
  *
  * This code handles user interaction with the configuration interface
  * to the Lustre file system to fine tune it.
+ *
+ * Copyright (c) 2016 Intel Corporation.
  */
 #include <errno.h>
 #include <stdint.h>
@@ -67,7 +69,7 @@ get_lustre_param_path(const char *obd_type, const char *filter,
 	char pattern[PATH_MAX];
 	int rc = 0;
 
-	if (filter == NULL || obd_type == NULL)
+	if (filter == NULL && type != FILTER_BY_NONE)
 		return -EINVAL;
 
 	switch (type) {
@@ -91,14 +93,20 @@ get_lustre_param_path(const char *obd_type, const char *filter,
 			return -EINVAL;
 		rc = 0;
 		break;
-	default:
+	case FILTER_BY_EXACT:
 		if (strlen(filter) + 1 > sizeof(pattern))
 			return -E2BIG;
 		strncpy(pattern, filter, sizeof(pattern));
 		break;
+	case FILTER_BY_NONE:
+	default:
+		break;
 	}
 
-	if (param_name != NULL) {
+	if (type == FILTER_BY_NONE) {
+		if (cfs_get_param_paths(param, "%s", param_name) != 0)
+			rc = -errno;
+	} else if (param_name != NULL) {
 		if (cfs_get_param_paths(param, "%s/%s/%s",
 				       obd_type, pattern, param_name) != 0)
 			rc = -errno;