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[block_manager] Hard code block size to 4k.

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We're never going to use anything other than 4k, and by hard coding it we
avoid making block_manager a template.
This commit is contained in:
Joe Thornber
2020-04-30 14:30:01 +01:00
parent 3e5de399a7
commit e801cc607b
57 changed files with 390 additions and 448 deletions
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10
persistent-data/transaction_manager.h
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@@ -31,15 +31,15 @@ namespace persistent_data {
class transaction_manager : boost::noncopyable {
public:
typedef boost::shared_ptr<transaction_manager> ptr;
typedef block_manager<>::read_ref read_ref;
typedef block_manager<>::write_ref write_ref;
typedef block_manager::read_ref read_ref;
typedef block_manager::write_ref write_ref;
typedef bcache::validator::ptr validator;
// If the space map is persistent, then the caller should
// hold onto a reference and remember to call sm_->commit()
// and update the superblock before dropping the superblock
// reference.
transaction_manager(block_manager<>::ptr bm,
transaction_manager(block_manager::ptr bm,
space_map::ptr sm);
~transaction_manager();
@@ -62,7 +62,7 @@ namespace persistent_data {
sm_ = sm;
}
block_manager<>::ptr get_bm() {
block_manager::ptr get_bm() {
return bm_;
}
@@ -76,7 +76,7 @@ namespace persistent_data {
bool is_shadow(block_address b) const;
void wipe_shadow_table();
block_manager<>::ptr bm_;
block_manager::ptr bm_;
space_map::ptr sm_;
std::set<block_address> shadows_;