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dm raid: prohibit to pass in both sync and nosync ctr flags 

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Heinz Mauelshagen 2016-06-15 18:43:55 +02:00 committed by Mike Snitzer
parent ff4a88bf1c
commit 0d851d14b8
1 changed files with 6 additions and 0 deletions
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6
drivers/md/dm-raid.c
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@ -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;