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thin_dump: support --metadata-snap block#

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This commit is contained in:
Heinz Mauelshagen
2013-07-16 17:39:40 +02:00
parent 6248f60acc
commit 5a039267df
7 changed files with 18 additions and 18 deletions
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13
thin-provisioning/metadata.cc
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@@ -57,15 +57,6 @@ namespace {
return tm;
}
superblock
read_superblock(block_manager<>::ptr bm, block_address location = SUPERBLOCK_LOCATION) {
superblock sb;
block_manager<>::read_ref r = bm->read_lock(location, superblock_validator());
superblock_disk const *sbd = reinterpret_cast<superblock_disk const *>(&r.data());
superblock_traits::unpack(*sbd, sb);
return sb;
}
void
copy_space_maps(space_map::ptr lhs, space_map::ptr rhs) {
for (block_address b = 0; b < rhs->get_nr_blocks(); b++) {
@@ -149,10 +140,10 @@ metadata::metadata(std::string const &dev_path, open_type ot,
}
}
metadata::metadata(std::string const &dev_path)
metadata::metadata(std::string const &dev_path, block_address metadata_snap)
{
tm_ = open_tm(open_bm(dev_path, false));
sb_ = read_superblock(tm_->get_bm());
sb_ = read_superblock(tm_->get_bm(), metadata_snap);
// We don't open the metadata sm for a held root
//metadata_sm_ = open_metadata_sm(tm_, &sb_.metadata_space_map_root_);