[dm-devel] [2.6.23 PATCH 15/18] dm: netlink mpath

[Alasdair G Kergon]

From: Mike Anderson <andmike at us.ibm.com>

This patch adds calls to dm_path_event for a failed path and a reinstated
path.

Signed-off-by: Mike Anderson <andmike at us.ibm.com>
Signed-off-by: Alasdair G Kergon <agk at redhat.com>
---

 drivers/md/dm-mpath.c |    7 +++++++
 1 files changed, 7 insertions(+)

Index: linux/drivers/md/dm-mpath.c
===================================================================
--- linux.orig/drivers/md/dm-mpath.c	2007-07-11 21:37:47.000000000 +0100
+++ linux/drivers/md/dm-mpath.c	2007-07-11 21:37:53.000000000 +0100
@@ -10,6 +10,7 @@
 #include "dm-hw-handler.h"
 #include "dm-bio-list.h"
 #include "dm-bio-record.h"
+#include "dm-netlink.h"
 
 #include <linux/ctype.h>
 #include <linux/init.h>
@@ -834,6 +835,9 @@ static int fail_path(struct pgpath *pgpa
 	if (pgpath == m->current_pgpath)
 		m->current_pgpath = NULL;
 
+	dm_path_event(DM_EVENT_PATH_FAILED, m->ti->table,
+		      pgpath->path.dev->name, m->nr_valid_paths);
+
 	queue_work(kmultipathd, &m->trigger_event);
 
 out:
@@ -873,6 +877,9 @@ static int reinstate_path(struct pgpath 
 	if (!m->nr_valid_paths++ && m->queue_size)
 		queue_work(kmultipathd, &m->process_queued_ios);
 
+	dm_path_event(DM_EVENT_PATH_REINSTATED, m->ti->table,
+		      pgpath->path.dev->name, m->nr_valid_paths);
+
 	queue_work(kmultipathd, &m->trigger_event);
 
 out: