nvme: track verbose level

The command line option parser is able to count how many times 'verbose'
is provided by the user. This increases the verbosity level. Use this
for mapping it to the correct log_level.

Signed-off-by: Daniel Wagner <dwagner@suse.de>

Author: igaw

nvme.c

@@ -110,7 +110,7 @@ struct passthru_config {
 
 #define NVME_ARGS(n, ...)                                                         \
 	struct argconfig_commandline_options n[] = {                              \
-		OPT_FLAG("verbose",      'v', NULL,               verbose),       \
+		OPT_INCR("verbose",      'v', &verbose_level,     verbose),       \
 		OPT_FMT("output-format", 'o', &output_format_val, output_format), \
 		##__VA_ARGS__,                                                    \
 		OPT_END()                                                         \
@@ -188,6 +188,7 @@ static const char dash[51] = {[0 ... 49] = '=', '\0'};
 static const char space[51] = {[0 ... 49] = ' ', '\0'};
 
 static char *output_format_val = "normal";
+int verbose_level;
 
 static void *mmap_registers(nvme_root_t r, struct nvme_dev *dev);
 
@@ -3223,7 +3224,7 @@ static int list_subsys(int argc, char **argv, struct command *cmd,
 	if (argconfig_parse_seen(opts, "verbose"))
 		flags |= VERBOSE;
 
-	log_level = map_log_level(!!(flags & VERBOSE), false);
+	log_level = map_log_level(verbose_level, false);
 
 	r = nvme_create_root(stderr, log_level);
 	if (!r) {
@@ -3282,7 +3283,7 @@ static int list(int argc, char **argv, struct command *cmd, struct plugin *plugi
 	if (argconfig_parse_seen(opts, "verbose"))
 		flags |= VERBOSE;
 
-	log_level = map_log_level(!!(flags & VERBOSE), false);
+	log_level = map_log_level(verbose_level, false);
 
 	r = nvme_create_root(stderr, log_level);
 	if (!r) {
@@ -8865,7 +8866,7 @@ static int show_topology_cmd(int argc, char **argv, struct command *command, str
 		return -EINVAL;
 	}
 
-	log_level = map_log_level(!!(flags & VERBOSE), false);
+	log_level = map_log_level(verbose_level, false);
 
 	r = nvme_create_root(stderr, log_level);
 	if (!r) {