From 0d851d14b8dfed601e165ccec2819cab492442d8 Mon Sep 17 00:00:00 2001 From: Heinz Mauelshagen Date: Wed, 15 Jun 2016 18:43:55 +0200 Subject: [PATCH] dm raid: prohibit to pass in both sync and nosync ctr flags Signed-off-by: Heinz Mauelshagen Signed-off-by: Mike Snitzer --- drivers/md/dm-raid.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 4bf7747..e8e9b6a 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1297,6 +1297,12 @@ static int parse_raid_params(struct raid_set *rs, struct dm_arg_set *as, } } + if (test_bit(__CTR_FLAG_SYNC, &rs->ctr_flags) && + test_bit(__CTR_FLAG_NOSYNC, &rs->ctr_flags)) { + rs->ti->error = "sync and nosync are mutually exclusive"; + return -EINVAL; + } + if (validate_region_size(rs, region_size)) return -EINVAL; -- 2.7.4