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sys: FspFileNode acquire/release

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This commit is contained in:
Bill Zissimopoulos
2016-01-18 17:16:28 -08:00
parent 512d7dc950
commit efe3d6656b
3 changed files with 131 additions and 62 deletions
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80
src/sys/driver.h
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@ -505,13 +505,19 @@ NTSTATUS FspVolumeWork(
PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
/* file objects */
#define FspFileNodeKind(FileNode) \
#define FspFileNodeKind(FileNode) \
(((FSP_FILE_NODE *)FileNode)->Header.NodeTypeCode)
#define FspFileNodeIsValid(FileNode)\
#define FspFileNodeIsValid(FileNode) \
(0 != (FileNode) && FspFileNodeFileKind == ((FSP_FILE_NODE *)FileNode)->Header.NodeTypeCode)
enum
{
FspFileNodeFileKind = 'BZ',
FspFileNodeFileKind = 'BZ',
};
enum
{
FspFileNodeAcquireMain = 1,
FspFileNodeAcquirePgio = 2,
FspFileNodeAcquireBoth = 3,
};
typedef struct
{
@ -544,10 +550,6 @@ typedef struct
NTSTATUS FspFileNodeCreate(PDEVICE_OBJECT DeviceObject,
ULONG ExtraSize, FSP_FILE_NODE **PFileNode);
VOID FspFileNodeDelete(FSP_FILE_NODE *FileNode);
FSP_FILE_NODE *FspFileNodeOpen(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
DWORD GrantedAccess, DWORD ShareAccess, BOOLEAN DeleteOnClose, NTSTATUS *PResult);
VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
PBOOLEAN PDeletePending);
static inline
VOID FspFileNodeReference(FSP_FILE_NODE *FileNode)
{
@ -560,56 +562,20 @@ VOID FspFileNodeDereference(FSP_FILE_NODE *FileNode)
if (0 == RefCount)
FspFileNodeDelete(FileNode);
}
static inline
VOID FspFileNodeAcquireShared(FSP_FILE_NODE *FileNode)
{
ExAcquireResourceSharedLite(FileNode->Header.Resource, TRUE);
}
static inline
BOOLEAN FspFileNodeTryAcquireShared(FSP_FILE_NODE *FileNode)
{
return ExAcquireResourceSharedLite(FileNode->Header.Resource, FALSE);
}
static inline
VOID FspFileNodeAcquireExclusive(FSP_FILE_NODE *FileNode)
{
ExAcquireResourceExclusiveLite(FileNode->Header.Resource, TRUE);
}
static inline
BOOLEAN FspFileNodeTryAcquireExclusive(FSP_FILE_NODE *FileNode)
{
return ExAcquireResourceExclusiveLite(FileNode->Header.Resource, FALSE);
}
static inline
VOID FspFileNodeRelease(FSP_FILE_NODE *FileNode)
{
ExReleaseResourceLite(FileNode->Header.Resource);
}
static inline
VOID FspFileNodePgioAcquireShared(FSP_FILE_NODE *FileNode)
{
ExAcquireResourceSharedLite(FileNode->Header.PagingIoResource, TRUE);
}
static inline
BOOLEAN FspFileNodePgioTryAcquireShared(FSP_FILE_NODE *FileNode)
{
return ExAcquireResourceSharedLite(FileNode->Header.PagingIoResource, FALSE);
}
static inline
VOID FspFileNodePgioAcquireExclusive(FSP_FILE_NODE *FileNode)
{
ExAcquireResourceExclusiveLite(FileNode->Header.PagingIoResource, TRUE);
}
static inline
BOOLEAN FspFileNodePgioTryAcquireExclusive(FSP_FILE_NODE *FileNode)
{
return ExAcquireResourceExclusiveLite(FileNode->Header.PagingIoResource, FALSE);
}
static inline
VOID FspFileNodePgioRelease(FSP_FILE_NODE *FileNode)
{
ExReleaseResourceLite(FileNode->Header.PagingIoResource);
}
VOID FspFileNodeAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags);
BOOLEAN FspFileNodeTryAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags);
VOID FspFileNodeAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags);
BOOLEAN FspFileNodeTryAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags);
VOID FspFileNodeRelease(FSP_FILE_NODE *FileNode, ULONG Flags);
FSP_FILE_NODE *FspFileNodeOpen(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
DWORD GrantedAccess, DWORD ShareAccess, BOOLEAN DeleteOnClose, NTSTATUS *PResult);
VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
PBOOLEAN PDeletePending);
#define FspFileNodeAcquireShared(N,F) FspFileNodeAcquireShared(N, FspFileNodeAcquire ## F)
#define FspFileNodeTryAcquireShared(N,F) FspFileNodeTryAcquireShared(N, FspFileNodeAcquire ## F)
#define FspFileNodeAcquireExclusive(N,F) FspFileNodeAcquireExclusive(N, FspFileNodeAcquire ## F)
#define FspFileNodeTryAcquireExclusive(N,F) FspFileNodeTryAcquireExclusive(N, FspFileNodeAcquire ## F)
#define FspFileNodeRelease(N,F) FspFileNodeRelease(N, FspFileNodeAcquire ## F)
/* debug */
#if DBG