diff mbox

[02/26] dm raid: prohibit to pass in both sync and nosync ctr flags

Message ID 1467825897-26058-3-git-send-email-heinzm@redhat.com (mailing list archive)
State Accepted, archived
Delegated to: Mike Snitzer
Headers show

Commit Message

Heinz Mauelshagen July 6, 2016, 5:24 p.m. UTC 
From: Heinz Mauelshagen <heinzm@redhat.com>

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
---
 drivers/md/dm-raid.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

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;