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[thin-provisioning/metadata] Use latest metadata version (2)

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This commit is contained in:
Joe Thornber 2018-04-17 13:32:49 +01:00
parent 58048dc178
commit 1433d11f59
1 changed files with 4 additions and 2 deletions
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6
thin-provisioning/metadata.cc
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@ -33,6 +33,8 @@
using namespace base;
using namespace thin_provisioning;
#define METADATA_VERSION 2
//----------------------------------------------------------------
namespace {
@ -59,7 +61,7 @@ metadata::metadata(block_manager<>::ptr bm, open_type ot,
tm_ = open_tm(bm, SUPERBLOCK_LOCATION);
sb_ = read_superblock(tm_->get_bm());
if (sb_.version_ != 1)
if (sb_.version_ < METADATA_VERSION)
throw runtime_error("unknown metadata version");
metadata_sm_ = open_metadata_sm(*tm_, &sb_.metadata_space_map_root_);
@ -91,7 +93,7 @@ metadata::metadata(block_manager<>::ptr bm, open_type ot,
::memset(&sb_, 0, sizeof(sb_));
sb_.magic_ = SUPERBLOCK_MAGIC;
sb_.version_ = 1;
sb_.version_ = METADATA_VERSION;
sb_.data_mapping_root_ = mappings_->get_root();
sb_.device_details_root_ = details_->get_root();
sb_.data_block_size_ = data_block_size;