dm thin: use DMERR_LIMIT for errors
Throttle all errors logged from the IO path by dm thin.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 6b9322e..fba378f 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -567,7 +567,7 @@
*/
r = dm_thin_insert_block(tc->td, m->virt_block, m->data_block);
if (r) {
- DMERR("dm_thin_insert_block() failed");
+ DMERR_LIMIT("dm_thin_insert_block() failed");
dm_cell_error(m->cell);
goto out;
}
@@ -622,7 +622,7 @@
r = dm_thin_remove_block(tc->td, m->virt_block);
if (r)
- DMERR("dm_thin_remove_block() failed");
+ DMERR_LIMIT("dm_thin_remove_block() failed");
process_prepared_discard_passdown(m);
}
@@ -736,7 +736,7 @@
0, copy_complete, m);
if (r < 0) {
mempool_free(m, pool->mapping_pool);
- DMERR("dm_kcopyd_copy() failed");
+ DMERR_LIMIT("dm_kcopyd_copy() failed");
dm_cell_error(cell);
}
}
@@ -802,7 +802,7 @@
r = dm_kcopyd_zero(pool->copier, 1, &to, 0, copy_complete, m);
if (r < 0) {
mempool_free(m, pool->mapping_pool);
- DMERR("dm_kcopyd_zero() failed");
+ DMERR_LIMIT("dm_kcopyd_zero() failed");
dm_cell_error(cell);
}
}
@@ -814,7 +814,7 @@
r = dm_pool_commit_metadata(pool->pmd);
if (r)
- DMERR("commit failed, error = %d", r);
+ DMERR_LIMIT("commit failed: error = %d", r);
return r;
}
@@ -997,7 +997,8 @@
break;
default:
- DMERR("discard: find block unexpectedly returned %d", r);
+ DMERR_LIMIT("%s: dm_thin_find_block() failed: error = %d",
+ __func__, r);
cell_defer_no_holder(tc, cell);
bio_io_error(bio);
break;
@@ -1024,7 +1025,8 @@
break;
default:
- DMERR("%s: alloc_data_block() failed, error = %d", __func__, r);
+ DMERR_LIMIT("%s: alloc_data_block() failed: error = %d",
+ __func__, r);
dm_cell_error(cell);
break;
}
@@ -1100,7 +1102,8 @@
break;
default:
- DMERR("%s: alloc_data_block() failed, error = %d", __func__, r);
+ DMERR_LIMIT("%s: alloc_data_block() failed: error = %d",
+ __func__, r);
set_pool_mode(tc->pool, PM_READ_ONLY);
dm_cell_error(cell);
break;
@@ -1148,7 +1151,8 @@
break;
default:
- DMERR("dm_thin_find_block() failed, error = %d", r);
+ DMERR_LIMIT("%s: dm_thin_find_block() failed: error = %d",
+ __func__, r);
cell_defer_no_holder(tc, cell);
bio_io_error(bio);
break;
@@ -1190,7 +1194,8 @@
break;
default:
- DMERR("dm_thin_find_block() failed, error = %d", r);
+ DMERR_LIMIT("%s: dm_thin_find_block() failed: error = %d",
+ __func__, r);
bio_io_error(bio);
break;
}