From: Hannes Reinecke Subject: Allow zero paths for multipath priority groups References: bnc#372684 Patch-mainline: not yet For correct handling of the all-paths-down scenario we have to allow zero paths as a valid argument for priority groups. Signed-off-by: Hannes Reinecke --- drivers/md/dm-mpath.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -869,8 +869,8 @@ static int multipath_ctr(struct dm_targe { /* target parameters */ static struct param _params[] = { - {1, 1024, "invalid number of priority groups"}, - {1, 1024, "invalid initial priority group number"}, + {0, 1024, "invalid number of priority groups"}, + {0, 1024, "invalid initial priority group number"}, }; int r;