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

Signed-off-by: default avatarMike Snitzer <>
Signed-off-by: default avatarAlasdair G Kergon <>
parent 3a0f9aae
......@@ -428,8 +428,11 @@ static int dm_bm_validate_buffer(struct dm_block_manager *bm,
if (!v)
return 0;
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;
aux->validator = v;
} else {
if (unlikely(aux->validator != v)) {
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