Blame SOURCES/0205-RHBZ-1416569-reset-stats.patch

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---
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 multipathd/cli.c          |    2 ++
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 multipathd/cli_handlers.c |   44 ++++++++++++++++++++++++++++++++++++++++++++
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 multipathd/cli_handlers.h |    2 ++
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 multipathd/main.c         |    2 ++
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 multipathd/multipathd.8   |    6 ++++++
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 5 files changed, 56 insertions(+)
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Index: multipath-tools-130222/multipathd/cli.c
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===================================================================
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--- multipath-tools-130222.orig/multipathd/cli.c
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+++ multipath-tools-130222/multipathd/cli.c
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@@ -482,6 +482,8 @@ cli_init (void) {
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 	add_handler(LIST+BLACKLIST, NULL);
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 	add_handler(LIST+DEVICES, NULL);
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 	add_handler(LIST+WILDCARDS, NULL);
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+	add_handler(RESET+MAPS+STATS, NULL);
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+	add_handler(RESET+MAP+STATS, NULL);
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 	add_handler(ADD+PATH, NULL);
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 	add_handler(DEL+PATH, NULL);
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 	add_handler(ADD+MAP, NULL);
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Index: multipath-tools-130222/multipathd/cli_handlers.c
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===================================================================
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--- multipath-tools-130222.orig/multipathd/cli_handlers.c
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+++ multipath-tools-130222/multipathd/cli_handlers.c
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@@ -233,6 +233,17 @@ show_config (char ** r, int * len)
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 	return 0;
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 }
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+void
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+reset_stats(struct multipath * mpp)
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+{
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+	mpp->stat_switchgroup = 0;
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+	mpp->stat_path_failures = 0;
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+	mpp->stat_map_loads = 0;
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+	mpp->stat_total_queueing_time = 0;
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+	mpp->stat_queueing_timeouts = 0;
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+	mpp->stat_map_failures = 0;
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+}
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+
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 int
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 cli_list_config (void * v, char ** reply, int * len, void * data)
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 {
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@@ -501,6 +512,39 @@ cli_list_daemon (void * v, char ** reply
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 }
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 int
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+cli_reset_maps_stats (void * v, char ** reply, int * len, void * data)
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+{
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+	struct vectors * vecs = (struct vectors *)data;
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+	int i;
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+	struct multipath * mpp;
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+
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+	condlog(3, "reset multipaths stats (operator)");
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+
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+	vector_foreach_slot(vecs->mpvec, mpp, i) {
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+		reset_stats(mpp);
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+	}
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+	return 0;
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+}
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+
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+int
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+cli_reset_map_stats (void * v, char ** reply, int * len, void * data)
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+{
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+	struct vectors * vecs = (struct vectors *)data;
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+	struct multipath * mpp;
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+	char * param = get_keyparam(v, MAP);
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+
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+	param = convert_dev(param, 0);
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+	mpp = find_mp_by_str(vecs->mpvec, param);
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+
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+	if (!mpp)
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+		return 1;
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+
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+	condlog(3, "reset multipath %s stats (operator)", param);
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+	reset_stats(mpp);
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+	return 0;
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+}
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+
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+int
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 cli_add_path (void * v, char ** reply, int * len, void * data)
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 {
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 	struct vectors * vecs = (struct vectors *)data;
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Index: multipath-tools-130222/multipathd/cli_handlers.h
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===================================================================
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--- multipath-tools-130222.orig/multipathd/cli_handlers.h
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+++ multipath-tools-130222/multipathd/cli_handlers.h
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@@ -16,6 +16,8 @@ int cli_list_config (void * v, char ** r
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 int cli_list_blacklist (void * v, char ** reply, int * len, void * data);
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 int cli_list_devices (void * v, char ** reply, int * len, void * data);
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 int cli_list_wildcards (void * v, char ** reply, int * len, void * data);
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+int cli_reset_maps_stats (void * v, char ** reply, int * len, void * data);
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+int cli_reset_map_stats (void * v, char ** reply, int * len, void * data);
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 int cli_add_path (void * v, char ** reply, int * len, void * data);
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 int cli_del_path (void * v, char ** reply, int * len, void * data);
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 int cli_add_map (void * v, char ** reply, int * len, void * data);
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Index: multipath-tools-130222/multipathd/main.c
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===================================================================
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--- multipath-tools-130222.orig/multipathd/main.c
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+++ multipath-tools-130222/multipathd/main.c
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@@ -1011,6 +1011,8 @@ uxlsnrloop (void * ap)
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 	set_handler_callback(LIST+BLACKLIST, cli_list_blacklist);
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 	set_handler_callback(LIST+DEVICES, cli_list_devices);
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 	set_handler_callback(LIST+WILDCARDS, cli_list_wildcards);
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+	set_handler_callback(RESET+MAPS+STATS, cli_reset_maps_stats);
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+	set_handler_callback(RESET+MAP+STATS, cli_reset_map_stats);
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 	set_handler_callback(ADD+PATH, cli_add_path);
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 	set_handler_callback(DEL+PATH, cli_del_path);
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 	set_handler_callback(ADD+MAP, cli_add_map);
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Index: multipath-tools-130222/multipathd/multipathd.8
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===================================================================
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--- multipath-tools-130222.orig/multipathd/multipathd.8
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+++ multipath-tools-130222/multipathd/multipathd.8
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@@ -87,6 +87,12 @@ Show all available block devices by name
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 .B list|show status
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 Show the number of path checkers in each possible state, the number of monitored paths, and whether multipathd is currently handling a uevent.
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 .TP
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+.B reset maps|multipaths stats
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+Reset the stat counters for all multipath devices.
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+.TP
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+.B reset map|multipath $map stats
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+Reset the stat counters for a specific multipath device.
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+.TP
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 .B add path $path
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 Add a path to the list of monitored paths. $path is as listed in /sys/block (e.g. sda).
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 .TP