dm persistent data: use DMERR_LIMIT for errors
Nearly all of persistent-data is in the IO path so throttle error
messages with DMERR_LIMIT to limit the amount logged when
something has gone wrong.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c
index 47b683e..ec4cb3c 100644
--- a/drivers/md/persistent-data/dm-block-manager.c
+++ b/drivers/md/persistent-data/dm-block-manager.c
@@ -429,17 +429,16 @@
return 0;
r = v->check(v, (struct dm_block *) buf, dm_bufio_get_block_size(bm->bufio));
if (unlikely(r)) {
- DMERR("%s validator check failed for block %llu", v->name,
- (unsigned long long) dm_bufio_get_block_number(buf));
+ DMERR_LIMIT("%s validator check failed for block %llu", v->name,
+ (unsigned long long) dm_bufio_get_block_number(buf));
return r;
}
aux->validator = v;
} else {
if (unlikely(aux->validator != v)) {
- DMERR("validator mismatch (old=%s vs new=%s) for block %llu",
- aux->validator->name, v ? v->name : "NULL",
- (unsigned long long)
- dm_bufio_get_block_number(buf));
+ DMERR_LIMIT("validator mismatch (old=%s vs new=%s) for block %llu",
+ aux->validator->name, v ? v->name : "NULL",
+ (unsigned long long) dm_bufio_get_block_number(buf));
return -EINVAL;
}
}