From 79eb885c96b5ccf8bbffd0dddc4c15a5dd436a1c Mon Sep 17 00:00:00 2001
From: Edward Goggin <egoggin@emc.com>
Date: Wed, 9 May 2007 02:32:56 -0700
Subject: dm mpath: log device name

Make the mapped device structure accessible to hardware handlers so error
messages can include the device name.

Signed-off-by: Edward Goggin <egoggin@emc.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/md/dm-mpath.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/md/dm-mpath.c')

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 3aa01350696..de54b39e6ff 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -668,6 +668,9 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m)
 		return -EINVAL;
 	}
 
+	m->hw_handler.md = dm_table_get_md(ti->table);
+	dm_put(m->hw_handler.md);
+
 	r = hwht->create(&m->hw_handler, hw_argc - 1, as->argv);
 	if (r) {
 		dm_put_hw_handler(hwht);
-- 
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