---

 multipathd/cli.c          |    2 ++

 multipathd/cli_handlers.c |   44 ++++++++++++++++++++++++++++++++++++++++++++

 multipathd/cli_handlers.h |    2 ++

 multipathd/main.c         |    2 ++

 multipathd/multipathd.8   |    6 ++++++

 5 files changed, 56 insertions(+)

Index: multipath-tools-130222/multipathd/cli.c

===================================================================

--- multipath-tools-130222.orig/multipathd/cli.c

+++ multipath-tools-130222/multipathd/cli.c

@@ -482,6 +482,8 @@ cli_init (void) {

 	add_handler(LIST+BLACKLIST, NULL);

 	add_handler(LIST+DEVICES, NULL);

 	add_handler(LIST+WILDCARDS, NULL);

+	add_handler(RESET+MAPS+STATS, NULL);

+	add_handler(RESET+MAP+STATS, NULL);

 	add_handler(ADD+PATH, NULL);

 	add_handler(DEL+PATH, NULL);

 	add_handler(ADD+MAP, NULL);

Index: multipath-tools-130222/multipathd/cli_handlers.c

===================================================================

--- multipath-tools-130222.orig/multipathd/cli_handlers.c

+++ multipath-tools-130222/multipathd/cli_handlers.c

@@ -233,6 +233,17 @@ show_config (char ** r, int * len)

 	return 0;

 }

+void

+reset_stats(struct multipath * mpp)

+{

+	mpp->stat_switchgroup = 0;

+	mpp->stat_path_failures = 0;

+	mpp->stat_map_loads = 0;

+	mpp->stat_total_queueing_time = 0;

+	mpp->stat_queueing_timeouts = 0;

+	mpp->stat_map_failures = 0;

+}

+

 int

 cli_list_config (void * v, char ** reply, int * len, void * data)

 {

@@ -501,6 +512,39 @@ cli_list_daemon (void * v, char ** reply

 }

 int

+cli_reset_maps_stats (void * v, char ** reply, int * len, void * data)

+{

+	struct vectors * vecs = (struct vectors *)data;

+	int i;

+	struct multipath * mpp;

+

+	condlog(3, "reset multipaths stats (operator)");

+

+	vector_foreach_slot(vecs->mpvec, mpp, i) {

+		reset_stats(mpp);

+	}

+	return 0;

+}

+

+int

+cli_reset_map_stats (void * v, char ** reply, int * len, void * data)

+{

+	struct vectors * vecs = (struct vectors *)data;

+	struct multipath * mpp;

+	char * param = get_keyparam(v, MAP);

+

+	param = convert_dev(param, 0);

+	mpp = find_mp_by_str(vecs->mpvec, param);

+

+	if (!mpp)

+		return 1;

+

+	condlog(3, "reset multipath %s stats (operator)", param);

+	reset_stats(mpp);

+	return 0;

+}

+

+int

 cli_add_path (void * v, char ** reply, int * len, void * data)

 {

 	struct vectors * vecs = (struct vectors *)data;

Index: multipath-tools-130222/multipathd/cli_handlers.h

===================================================================

--- multipath-tools-130222.orig/multipathd/cli_handlers.h

+++ multipath-tools-130222/multipathd/cli_handlers.h

@@ -16,6 +16,8 @@ int cli_list_config (void * v, char ** r

 int cli_list_blacklist (void * v, char ** reply, int * len, void * data);

 int cli_list_devices (void * v, char ** reply, int * len, void * data);

 int cli_list_wildcards (void * v, char ** reply, int * len, void * data);

+int cli_reset_maps_stats (void * v, char ** reply, int * len, void * data);

+int cli_reset_map_stats (void * v, char ** reply, int * len, void * data);

 int cli_add_path (void * v, char ** reply, int * len, void * data);

 int cli_del_path (void * v, char ** reply, int * len, void * data);

 int cli_add_map (void * v, char ** reply, int * len, void * data);

Index: multipath-tools-130222/multipathd/main.c

===================================================================

--- multipath-tools-130222.orig/multipathd/main.c

+++ multipath-tools-130222/multipathd/main.c

@@ -1011,6 +1011,8 @@ uxlsnrloop (void * ap)

 	set_handler_callback(LIST+BLACKLIST, cli_list_blacklist);

 	set_handler_callback(LIST+DEVICES, cli_list_devices);

 	set_handler_callback(LIST+WILDCARDS, cli_list_wildcards);

+	set_handler_callback(RESET+MAPS+STATS, cli_reset_maps_stats);

+	set_handler_callback(RESET+MAP+STATS, cli_reset_map_stats);

 	set_handler_callback(ADD+PATH, cli_add_path);

 	set_handler_callback(DEL+PATH, cli_del_path);

 	set_handler_callback(ADD+MAP, cli_add_map);

Index: multipath-tools-130222/multipathd/multipathd.8

===================================================================

--- multipath-tools-130222.orig/multipathd/multipathd.8

+++ multipath-tools-130222/multipathd/multipathd.8

@@ -87,6 +87,12 @@ Show all available block devices by name

 .B list|show status

 Show the number of path checkers in each possible state, the number of monitored paths, and whether multipathd is currently handling a uevent.

 .TP

+.B reset maps|multipaths stats

+Reset the stat counters for all multipath devices.

+.TP

+.B reset map|multipath $map stats

+Reset the stat counters for a specific multipath device.

+.TP

 .B add path $path

 Add a path to the list of monitored paths. $path is as listed in /sys/block (e.g. sda).

 .TP