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sys: oplock: refactoring/cleanup

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This commit is contained in:
Bill Zissimopoulos
2016-11-20 14:08:23 -08:00
parent 53f60a698a
commit ce551d4e0d
10 changed files with 169 additions and 86 deletions
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64
src/sys/driver.h
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@ -799,8 +799,6 @@ NTSTATUS FspWqCreateAndPostIrpWorkItem(PIRP Irp,
FSP_IOP_REQUEST_WORK *WorkRoutine, FSP_IOP_REQUEST_FINI *RequestFini,
BOOLEAN CreateAndPost);
VOID FspWqPostIrpWorkItem(PIRP Irp);
VOID FspWqOplockPrepare(PVOID Context, PIRP Irp);
VOID FspWqOplockComplete(PVOID Context, PIRP Irp);
#define FspWqCreateIrpWorkItem(I, RW, RF)\
FspWqCreateAndPostIrpWorkItem(I, RW, RF, FALSE)
#define FspWqRepostIrpWorkItem(I, RW, RF)\
@ -1236,6 +1234,68 @@ BOOLEAN FspMainFileOpenCheck(PIRP Irp)
#define FspFileNodeAddrOfOplock(N) (&(N)->Header.Oplock)
#endif
/* oplock support */
typedef struct
{
FSP_FILE_NODE *FileNode;
ULONG AcquireFlags;
PVOID PrepareContext;
} FSP_FILE_NODE_OPLOCK_CONTEXT;
static inline
BOOLEAN FspFileNodeOplockIsBatch(FSP_FILE_NODE *FileNode)
{
return FsRtlCurrentBatchOplock(FspFileNodeAddrOfOplock(FileNode));
}
static inline
BOOLEAN FspFileNodeOplockIsHandle(FSP_FILE_NODE *FileNode)
{
return FsRtlCurrentOplockH(FspFileNodeAddrOfOplock(FileNode));
}
static inline
NTSTATUS FspFileNodeOplockCheck(FSP_FILE_NODE *FileNode, PIRP Irp)
{
return FspCheckOplock(FspFileNodeAddrOfOplock(FileNode), Irp, 0, 0, 0);
}
static inline
NTSTATUS FspFileNodeOplockCheckEx(FSP_FILE_NODE *FileNode, PIRP Irp, ULONG Flags)
{
return FspCheckOplockEx(FspFileNodeAddrOfOplock(FileNode), Irp, Flags, 0, 0, 0);
}
static inline
NTSTATUS FspFileNodeOplockBreakHandle(FSP_FILE_NODE *FileNode, PIRP Irp, ULONG Flags)
{
return FspOplockBreakH(FspFileNodeAddrOfOplock(FileNode), Irp, Flags, 0, 0, 0);
}
static inline
NTSTATUS FspFileNodeOplockCheckAsyncEx(
FSP_FILE_NODE *FileNode, ULONG AcquireFlags, PVOID PrepareContext,
PIRP Irp,
POPLOCK_WAIT_COMPLETE_ROUTINE CompletionRoutine,
POPLOCK_FS_PREPOST_IRP PostIrpRoutine)
{
FSP_FILE_NODE_OPLOCK_CONTEXT OplockContext;
OplockContext.FileNode = FileNode;
OplockContext.AcquireFlags = AcquireFlags;
OplockContext.PrepareContext = PrepareContext;
return FspCheckOplock(
FspFileNodeAddrOfOplock(FileNode),
Irp,
&OplockContext,
CompletionRoutine,
PostIrpRoutine);
}
static inline
PVOID FspFileNodeReleaseForOplock(FSP_FILE_NODE_OPLOCK_CONTEXT *OplockContext)
{
FspFileNodeReleaseF(OplockContext->FileNode, OplockContext->AcquireFlags);
return OplockContext->PrepareContext;
}
VOID FspFileNodeOplockPrepare(PVOID Context, PIRP Irp);
VOID FspFileNodeOplockComplete(PVOID Context, PIRP Irp);
#define FspFileNodeOplockCheckAsync(FileNode, AcquireFlags, PrepareContext, Irp)\
FspFileNodeOplockCheckAsyncEx(FileNode, AcquireFlags, (PVOID)(UINT_PTR)PrepareContext, Irp,\
FspFileNodeOplockComplete,FspFileNodeOplockPrepare)
/* multiversion support */
typedef
NTKERNELAPI