From 14e98c5ca8bed825f65cbf11cb0ffd2c09dac2f4 Mon Sep 17 00:00:00 2001
From: Chandra Seetharaman <sekharan@us.ibm.com>
Date: Thu, 13 Nov 2008 23:39:06 +0000
Subject: [PATCH] dm mpath: warn if args ignored
Currently dm ignores the parameters provided to hardware handlers
without providing any notifications to the user.
This patch just prints a warning message so that the user knows that
the arguments are ignored.
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
drivers/md/dm-mpath.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 58b1015260faa3..3d7f4923cd133a 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -708,6 +708,10 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m)
m->hw_handler_name = NULL;
return -EINVAL;
}
+
+ if (hw_argc > 1)
+ DMWARN("Ignoring user-specified arguments for "
+ "hardware handler \"%s\"", m->hw_handler_name);
consume(as, hw_argc - 1);
return 0;
--
GitLab