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dm persistent data: use DMERR_LIMIT for errors

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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>
This commit is contained in:
Mike Snitzer
2012-12-21 20:23:34 +00:00
committed by Alasdair G Kergon
parent a5bd968aeb
commit 89ddeb8cb1
3 changed files with 20 additions and 21 deletions
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16
drivers/md/persistent-data/dm-space-map-common.c
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@@ -39,8 +39,8 @@ static int index_check(struct dm_block_validator *v,
__le32 csum_disk;
if (dm_block_location(b) != le64_to_cpu(mi_le->blocknr)) {
DMERR("index_check failed blocknr %llu wanted %llu",
le64_to_cpu(mi_le->blocknr), dm_block_location(b));
DMERR_LIMIT("index_check failed: blocknr %llu != wanted %llu",
le64_to_cpu(mi_le->blocknr), dm_block_location(b));
return -ENOTBLK;
}
@@ -48,8 +48,8 @@ static int index_check(struct dm_block_validator *v,
block_size - sizeof(__le32),
INDEX_CSUM_XOR));
if (csum_disk != mi_le->csum) {
DMERR("index_check failed csum %u wanted %u",
le32_to_cpu(csum_disk), le32_to_cpu(mi_le->csum));
DMERR_LIMIT("index_check failed: csum %u != wanted %u",
le32_to_cpu(csum_disk), le32_to_cpu(mi_le->csum));
return -EILSEQ;
}
@@ -89,8 +89,8 @@ static int bitmap_check(struct dm_block_validator *v,
__le32 csum_disk;
if (dm_block_location(b) != le64_to_cpu(disk_header->blocknr)) {
DMERR("bitmap check failed blocknr %llu wanted %llu",
le64_to_cpu(disk_header->blocknr), dm_block_location(b));
DMERR_LIMIT("bitmap check failed: blocknr %llu != wanted %llu",
le64_to_cpu(disk_header->blocknr), dm_block_location(b));
return -ENOTBLK;
}
@@ -98,8 +98,8 @@ static int bitmap_check(struct dm_block_validator *v,
block_size - sizeof(__le32),
BITMAP_CSUM_XOR));
if (csum_disk != disk_header->csum) {
DMERR("bitmap check failed csum %u wanted %u",
le32_to_cpu(csum_disk), le32_to_cpu(disk_header->csum));
DMERR_LIMIT("bitmap check failed: csum %u != wanted %u",
le32_to_cpu(csum_disk), le32_to_cpu(disk_header->csum));
return -EILSEQ;
}