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Commit a5bd968a authored by Mike Snitzer's avatar Mike Snitzer Committed by Alasdair G Kergon
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dm block manager: reinstate message when validator fails 



Reinstate a useful error message when the block manager buffer validator fails.
This was mistakenly eliminated when the block manager was converted to use
dm-bufio.

Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 3a0f9aae

drivers/md/persistent-data/dm-block-manager.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -428,8 +428,11 @@ static int dm_bm_validate_buffer(struct dm_block_manager *bm, 
		if (!v)

		if (!v)

			return 0;

			return 0;

		r = v->check(v, (struct dm_block *) buf, dm_bufio_get_block_size(bm->bufio));

		r = v->check(v, (struct dm_block *) buf, dm_bufio_get_block_size(bm->bufio));

		if (unlikely(r))

		if (unlikely(r)) {

			DMERR("%s validator check failed for block %llu", v->name,

			      (unsigned long long) dm_bufio_get_block_number(buf));

			return r;

			return r;

		}

		aux->validator = v;

		aux->validator = v;

	} else {

	} else {

		if (unlikely(aux->validator != v)) {

		if (unlikely(aux->validator != v)) {