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authorHeinz Mauelshagen <heinzm@redhat.com>2016-06-15 19:43:55 +0300
committerMike Snitzer <snitzer@redhat.com>2016-07-18 22:37:17 +0300
commit0d851d14b8dfed601e165ccec2819cab492442d8 (patch)
treef4b8257495951463911995aba5d38245b466183c /drivers/md/dm-raid.c
parentff4a88bf1cedbe73ece1a6fad34650f21c06167c (diff)
downloadlinux-0d851d14b8dfed601e165ccec2819cab492442d8.tar.xz
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>
Diffstat (limited to 'drivers/md/dm-raid.c')
-rw-r--r--drivers/md/dm-raid.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 4bf7747a25a9..e8e9b6abe133 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;