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tst: memfs: slowio: improvements

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This commit is contained in:
Bill Zissimopoulos
2017-11-03 10:01:27 -07:00
parent d3f829b2df
commit 9f2fe92db7
1 changed files with 27 additions and 31 deletions
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58
tst/memfs/memfs.cpp
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@@ -21,9 +21,11 @@
#include <VersionHelpers.h>
#include <cassert>
#include <map>
#include <thread>
#include <unordered_map>
/* SLOWIO */
#include <thread>
#define MEMFS_MAX_PATH 512
FSP_FSCTL_STATIC_ASSERT(MEMFS_MAX_PATH > MAX_PATH,
"MEMFS_MAX_PATH must be greater than MAX_PATH.");
@@ -1165,22 +1167,20 @@ static NTSTATUS Read(FSP_FILE_SYSTEM *FileSystem,
if (SlowioReturnPending(FileSystem))
{
MEMFS *Memfs = (MEMFS *)FileSystem->UserContext;
FSP_FSCTL_TRANSACT_REQ *Request = FspFileSystemGetOperationContext()->Request;
UINT64 RequestHint = Request->Hint;
InterlockedIncrement(&Memfs->SlowioThreadsRunning);
try {
auto Thread = std::thread(SlowioReadThread,
FileSystem, FileNode, Buffer, Offset, EndOffset, RequestHint);
Thread.detach();
try
{
InterlockedIncrement(&Memfs->SlowioThreadsRunning);
std::thread(SlowioReadThread,
FileSystem, FileNode, Buffer, Offset, EndOffset,
FspFileSystemGetOperationContext()->Request->Hint).
detach();
return STATUS_PENDING;
}
catch (...)
{
InterlockedDecrement(&Memfs->SlowioThreadsRunning);
goto regular;
}
return STATUS_PENDING;
}
regular:
SlowioSnooze(FileSystem);
#endif
@@ -1241,22 +1241,20 @@ static NTSTATUS Write(FSP_FILE_SYSTEM *FileSystem,
if (SlowioReturnPending(FileSystem))
{
MEMFS *Memfs = (MEMFS *)FileSystem->UserContext;
FSP_FSCTL_TRANSACT_REQ *Request = FspFileSystemGetOperationContext()->Request;
UINT64 RequestHint = Request->Hint;
InterlockedIncrement(&Memfs->SlowioThreadsRunning);
try {
auto Thread = std::thread(SlowioWriteThread,
FileSystem, FileNode, Buffer, Offset, EndOffset, RequestHint);
Thread.detach();
try
{
InterlockedIncrement(&Memfs->SlowioThreadsRunning);
std::thread(SlowioWriteThread,
FileSystem, FileNode, Buffer, Offset, EndOffset,
FspFileSystemGetOperationContext()->Request->Hint).
detach();
return STATUS_PENDING;
}
catch (...)
{
InterlockedDecrement(&Memfs->SlowioThreadsRunning);
goto regular;
}
return STATUS_PENDING;
}
regular:
SlowioSnooze(FileSystem);
#endif
@@ -1632,22 +1630,20 @@ static NTSTATUS ReadDirectory(FSP_FILE_SYSTEM *FileSystem,
#ifdef MEMFS_SLOWIO
if (SlowioReturnPending(FileSystem))
{
FSP_FSCTL_TRANSACT_REQ *Request = FspFileSystemGetOperationContext()->Request;
UINT64 RequestHint = Request->Hint;
InterlockedIncrement(&Memfs->SlowioThreadsRunning);
try {
auto Thread = std::thread(SlowioReadDirectoryThread,
FileSystem, *PBytesTransferred, RequestHint);
Thread.detach();
try
{
InterlockedIncrement(&Memfs->SlowioThreadsRunning);
std::thread(SlowioReadDirectoryThread,
FileSystem, *PBytesTransferred,
FspFileSystemGetOperationContext()->Request->Hint).
detach();
return STATUS_PENDING;
}
catch (...)
{
InterlockedDecrement(&Memfs->SlowioThreadsRunning);
goto regular;
}
return STATUS_PENDING;
}
regular:
SlowioSnooze(FileSystem);
#endif