Fix incorrect Status::NoSpace() status check (#8504)

Summary:
If we want to check whether a Status s is NoSpace() or not, we should check the subcode instread of using s==Status::NoSpace(). Fix some of the incorrect check in the ErrorHandler.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8504

Test Plan: make check

Reviewed By: anand1976

Differential Revision: D29601764

Pulled By: zhichao-cao

fbshipit-source-id: cdab56a827891c23746bba9cbb53f169fe35f086
This commit is contained in:
Zhichao Cao 2021-07-20 18:08:55 -07:00 committed by Facebook GitHub Bot
parent 66ca5ac427
commit 87e82a41a9
4 changed files with 9 additions and 5 deletions

View file

@ -327,7 +327,8 @@ const Status& ErrorHandler::SetBGError(const Status& bg_err,
}
// Allow some error specific overrides
if (new_bg_err == Status::NoSpace()) {
if (new_bg_err.subcode() == IOStatus::SubCode::kNoSpace ||
new_bg_err.subcode() == IOStatus::SubCode::kSpaceLimit) {
new_bg_err = OverrideNoSpaceError(new_bg_err, &auto_recovery);
}
@ -349,7 +350,8 @@ const Status& ErrorHandler::SetBGError(const Status& bg_err,
recovery_in_prog_ = true;
// Kick-off error specific recovery
if (bg_error_ == Status::NoSpace()) {
if (new_bg_err.subcode() == IOStatus::SubCode::kNoSpace ||
new_bg_err.subcode() == IOStatus::SubCode::kSpaceLimit) {
RecoverFromNoSpace();
}
}

View file

@ -317,7 +317,7 @@ void SstFileManagerImpl::ClearError() {
// error is also a NoSpace() non-fatal error, leave the instance in
// the list
Status err = cur_instance_->GetBGError();
if (s.ok() && err == Status::NoSpace() &&
if (s.ok() && err.subcode() == IOStatus::SubCode::kNoSpace &&
err.severity() < Status::Severity::kFatalError) {
s = err;
}

View file

@ -179,7 +179,8 @@ class FaultInjectionTestEnv : public EnvWrapper {
#undef GetFreeSpace
virtual Status GetFreeSpace(const std::string& path,
uint64_t* disk_free) override {
if (!IsFilesystemActive() && error_ == Status::NoSpace()) {
if (!IsFilesystemActive() &&
error_.subcode() == IOStatus::SubCode::kNoSpace) {
*disk_free = 0;
return Status::OK();
} else {

View file

@ -240,7 +240,8 @@ class FaultInjectionTestFS : public FileSystemWrapper {
const IOOptions& options, uint64_t* disk_free,
IODebugContext* dbg) override {
IOStatus io_s;
if (!IsFilesystemActive() && error_ == IOStatus::NoSpace()) {
if (!IsFilesystemActive() &&
error_.subcode() == IOStatus::SubCode::kNoSpace) {
*disk_free = 0;
} else {
io_s = target()->GetFreeSpace(path, options, disk_free, dbg);