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device_mapper: vdo V4 avoid messaging

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With V4 format build table line with compression and
deduplication and skip sending any messages to set up
these parameters.
This commit is contained in:
Zdenek Kabelac 2022-10-27 23:58:42 +02:00
parent 2e79b005c2
commit 36a923926c
1 changed files with 7 additions and 3 deletions
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10
device_mapper/libdm-deptree.c
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@ -2894,12 +2894,15 @@ static int _vdo_emit_segment_line(struct dm_task *dmt,
(seg->vdo_params.write_policy == DM_VDO_WRITE_POLICY_ASYNC_UNSAFE) ? "async-unsafe" : "auto", // policy
seg->vdo_name);
} else {
EMIT_PARAMS(pos, "V4 %s " FMTu64 " %u " FMTu64 " %u ",
EMIT_PARAMS(pos, "V4 %s " FMTu64 " %u " FMTu64 " %u "
"deduplication %s compression %s ",
data_dev,
seg->vdo_data_size / 8, // this parameter is in 4K units
seg->vdo_params.minimum_io_size * UINT32_C(512), // sector to byte units
seg->vdo_params.block_map_cache_size_mb * UINT64_C(256), // 1MiB -> 4KiB units
seg->vdo_params.block_map_era_length);
seg->vdo_params.block_map_era_length,
seg->vdo_params.use_deduplication ? "on" : "off",
seg->vdo_params.use_compression ? "on" : "off");
}
EMIT_PARAMS(pos, "maxDiscard %u ack %u bio %u bioRotationInterval %u cpu %u hash %u logical %u physical %u",
@ -4376,7 +4379,8 @@ int dm_tree_node_add_vdo_target(struct dm_tree_node *node,
seg->vdo_name = vdo_pool_name;
seg->vdo_data_size = data_size;
node->props.send_messages = 2;
if (seg->vdo_version < 4)
node->props.send_messages = 2;
return 1;
}