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sys: IRP_MJ_QUERY_INFORMATION: FileStreamInformation

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This commit is contained in:
Bill Zissimopoulos
2016-09-24 13:59:02 -07:00
parent b06e947e0e
commit 0c810c52fa
9 changed files with 447 additions and 28 deletions
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16
src/sys/driver.h
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@ -722,6 +722,8 @@ enum
FspFsvolDeviceSecurityCacheItemSizeMax = 4096,
FspFsvolDeviceDirInfoCacheCapacity = 100,
FspFsvolDeviceDirInfoCacheItemSizeMax = FSP_FSCTL_ALIGN_UP(16384, PAGE_SIZE),
FspFsvolDeviceStreamInfoCacheCapacity = 100,
FspFsvolDeviceStreamInfoCacheItemSizeMax = 4096,
};
typedef struct
{
@ -748,7 +750,7 @@ typedef struct
typedef struct
{
FSP_DEVICE_EXTENSION Base;
UINT32 InitDoneFsvrt:1, InitDoneIoq:1, InitDoneSec:1, InitDoneDir:1,
UINT32 InitDoneFsvrt:1, InitDoneIoq:1, InitDoneSec:1, InitDoneDir:1, InitDoneStrm:1,
InitDoneCtxTab:1, InitDoneTimer:1, InitDoneInfo:1, InitDoneNotify:1;
PDEVICE_OBJECT FsctlDeviceObject;
PDEVICE_OBJECT FsvrtDeviceObject;
@ -760,6 +762,7 @@ typedef struct
FSP_IOQ *Ioq;
FSP_META_CACHE *SecurityCache;
FSP_META_CACHE *DirInfoCache;
FSP_META_CACHE *StreamInfoCache;
KSPIN_LOCK ExpirationLock;
WORK_QUEUE_ITEM ExpirationWorkItem;
BOOLEAN ExpirationInProgress;
@ -888,8 +891,9 @@ typedef struct
ERESOURCE PagingIoResource;
FAST_MUTEX HeaderFastMutex;
SECTION_OBJECT_POINTERS SectionObjectPointers;
KSPIN_LOCK DirInfoSpinLock;
UINT64 DirInfo; /* allows to invalidate DirInfo w/o resources acquired */
KSPIN_LOCK NpInfoSpinLock; /* allows to invalidate non-page Info w/o resources acquired */
UINT64 DirInfo;
UINT64 StreamInfo;
} FSP_FILE_NODE_NONPAGED;
typedef struct
{
@ -918,6 +922,7 @@ typedef struct
UINT64 Security;
ULONG SecurityChangeNumber;
ULONG DirInfoChangeNumber;
ULONG StreamInfoChangeNumber;
BOOLEAN TruncateOnClose;
FILE_LOCK FileLock;
struct
@ -1001,6 +1006,10 @@ BOOLEAN FspFileNodeReferenceDirInfo(FSP_FILE_NODE *FileNode, PCVOID *PBuffer, PU
VOID FspFileNodeSetDirInfo(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size);
BOOLEAN FspFileNodeTrySetDirInfo(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size,
ULONG DirInfoChangeNumber);
BOOLEAN FspFileNodeReferenceStreamInfo(FSP_FILE_NODE *FileNode, PCVOID *PBuffer, PULONG PSize);
VOID FspFileNodeSetStreamInfo(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size);
BOOLEAN FspFileNodeTrySetStreamInfo(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG Size,
ULONG StreamInfoChangeNumber);
VOID FspFileNodeNotifyChange(FSP_FILE_NODE *FileNode, ULONG Filter, ULONG Action);
NTSTATUS FspFileNodeProcessLockIrp(FSP_FILE_NODE *FileNode, PIRP Irp);
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
@ -1017,6 +1026,7 @@ NTSTATUS FspFileDescResetDirectoryPattern(FSP_FILE_DESC *FileDesc,
#define FspFileNodeReleaseOwner(N,F,P) FspFileNodeReleaseOwnerF(N, FspFileNodeAcquire ## F, P)
#define FspFileNodeDereferenceSecurity(P) FspMetaCacheDereferenceItemBuffer(P)
#define FspFileNodeDereferenceDirInfo(P) FspMetaCacheDereferenceItemBuffer(P)
#define FspFileNodeDereferenceStreamInfo(P) FspMetaCacheDereferenceItemBuffer(P)
#define FspFileNodeUnlockAll(N,F,P) FsRtlFastUnlockAll(&(N)->FileLock, F, P, N)
/* multiversion support */