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authorChandra Seetharaman <sekharan@us.ibm.com>2008-11-13 23:39:06 +0000
committerAlasdair G Kergon <agk@redhat.com>2008-11-13 23:39:06 +0000
commit14e98c5ca8bed825f65cbf11cb0ffd2c09dac2f4 (patch)
tree62cb7234d156c0523584343796d0e3c89d7a80bf /drivers/md/dm-mpath.c
parentb81aa1c79201cb424114fd198607951900babe18 (diff)
downloadop-kernel-dev-14e98c5ca8bed825f65cbf11cb0ffd2c09dac2f4.zip
op-kernel-dev-14e98c5ca8bed825f65cbf11cb0ffd2c09dac2f4.tar.gz
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>
Diffstat (limited to 'drivers/md/dm-mpath.c')
-rw-r--r--drivers/md/dm-mpath.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 58b1015..3d7f492 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;
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