[dm-devel] [PATCH 4/4] Subject: dm: add calls for path event functions
Mike Anderson
andmike at linux.vnet.ibm.com
Wed Sep 26 06:19:59 UTC 2007
This patch adds calls to dm_path_event for a failed path and a reinstated
path.
Signed-off-by: Mike Anderson <andmike at linux.vnet.ibm.com>
---
drivers/md/dm-mpath.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index d6ca9d0..c03a2dd 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -10,6 +10,7 @@
#include "dm-hw-handler.h"
#include "dm-bio-list.h"
#include "dm-bio-record.h"
+#include "dm-uevent.h"
#include <linux/ctype.h>
#include <linux/init.h>
@@ -834,6 +835,9 @@ static int fail_path(struct pgpath *pgpath)
if (pgpath == m->current_pgpath)
m->current_pgpath = NULL;
+ dm_path_uevent(DM_UEVENT_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 *pgpath)
if (!m->nr_valid_paths++ && m->queue_size)
queue_work(kmultipathd, &m->process_queued_ios);
+ dm_path_uevent(DM_UEVENT_PATH_REINSTATED, m->ti->table,
+ pgpath->path.dev->name, m->nr_valid_paths);
+
queue_work(kmultipathd, &m->trigger_event);
out:
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