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[block-cache] Fix some bugs in the copier

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This commit is contained in:
Joe Thornber
2016-06-14 16:27:17 +01:00
parent 0f778a0a38
commit a124b7ce26
4 changed files with 188 additions and 58 deletions
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9
block-cache/copier.h
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@@ -32,6 +32,10 @@ namespace bcache {
write_complete(false) {
}
bool operator <(copy_op const &rhs) const {
return dest_b < rhs.dest_b;
}
bool success() const {
return read_complete && write_complete;
}
@@ -69,8 +73,13 @@ namespace bcache {
unsigned nr_pending() const;
boost::optional<copy_op> wait();
boost::optional<copy_op> wait(unsigned &micro);
private:
bool pending() const;
bool wait_successful(io_engine::wait_result const &p);
boost::optional<copy_op> wait_complete();
void wait_(unsigned &micro);
void wait_();
void complete(copy_job const &j);