Public/winfsp
1
0
Fork 0
mirror of https://github.com/winfsp/winfsp.git synced 2025-07-03 17:32:57 -05:00
Code Issues Packages Projects Releases Wiki Activity

sys: IRP_MJ_CREATE: refactoring to support Overwrite

Browse Source
This commit is contained in:
Bill Zissimopoulos
2016-01-07 15:42:53 -08:00
parent 9b93df1788
commit 16895a5b68
5 changed files with 343 additions and 133 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/sys/driver.h
View File

@ -527,12 +527,21 @@ typedef struct
NTSTATUS FspFileContextCreate(PDEVICE_OBJECT DeviceObject,
ULONG ExtraSize, FSP_FILE_CONTEXT **PFsContext);
VOID FspFileContextDelete(FSP_FILE_CONTEXT *FsContext);
FSP_FILE_CONTEXT *FspFileContextOpen(PDEVICE_OBJECT FsvolDeviceObject,
FSP_FILE_CONTEXT *FsContext);
VOID FspFileContextClose(PDEVICE_OBJECT FsvolDeviceObject,
FSP_FILE_CONTEXT *FsContext);
static inline
VOID FspFileContextRetain(FSP_FILE_CONTEXT *FsContext)
{
InterlockedIncrement(&FsContext->RefCount);
}
static inline
VOID FspFileContextRetain2(FSP_FILE_CONTEXT *FsContext)
{
InterlockedAdd(&FsContext->RefCount, 2);
}
static inline
VOID FspFileContextRelease(FSP_FILE_CONTEXT *FsContext)
{
LONG RefCount = InterlockedDecrement(&FsContext->RefCount);
@ -540,14 +549,34 @@ VOID FspFileContextRelease(FSP_FILE_CONTEXT *FsContext)
FspFileContextDelete(FsContext);
}
static inline
VOID FspFileContextOpen(FSP_FILE_CONTEXT *FsContext)
BOOLEAN FspFileContextLockShared(FSP_FILE_CONTEXT *FsContext, BOOLEAN Wait)
{
InterlockedIncrement(&FsContext->OpenCount);
return ExAcquireResourceSharedLite(FsContext->Header.Resource, Wait);
}
static inline
LONG FspFileContextClose(FSP_FILE_CONTEXT *FsContext)
BOOLEAN FspFileContextLockExclusive(FSP_FILE_CONTEXT *FsContext, BOOLEAN Wait)
{
return InterlockedDecrement(&FsContext->OpenCount);
return ExAcquireResourceExclusiveLite(FsContext->Header.Resource, Wait);
}
static inline
VOID FspFileContextUnlock(FSP_FILE_CONTEXT *FsContext)
{
ExReleaseResourceLite(FsContext->Header.Resource);
}
static inline
BOOLEAN FspFileContextPgioLockShared(FSP_FILE_CONTEXT *FsContext, BOOLEAN Wait)
{
return ExAcquireResourceSharedLite(FsContext->Header.PagingIoResource, Wait);
}
static inline
BOOLEAN FspFileContextPgioLockExclusive(FSP_FILE_CONTEXT *FsContext, BOOLEAN Wait)
{
return ExAcquireResourceExclusiveLite(FsContext->Header.PagingIoResource, Wait);
}
static inline
VOID FspFileContextPgioUnlock(FSP_FILE_CONTEXT *FsContext)
{
ExReleaseResourceLite(FsContext->Header.PagingIoResource);
}
/* debug */