[FASTFAT] Don't delay any other close once shutdown has started

[reactos.git] / drivers / filesystems / fastfat / vfat.h

diff --git a/drivers/filesystems/fastfat/vfat.h b/drivers/filesystems/fastfat/vfat.h
index b84b320..993d5f9 100644 (file)
--- a/drivers/filesystems/fastfat/vfat.h
+++ b/drivers/filesystems/fastfat/vfat.h
@@ -5,6 +5,10 @@
 #include <ntdddisk.h>
 #include <dos.h>
 #include <pseh/pseh2.h>
+#ifdef KDBG
+#include <ndk/kdfuncs.h>
+#include <reactos/kdros.h>
+#endif
 
 #ifdef __GNUC__
 #define INIT_SECTION __attribute__((section ("INIT")))
@@ -79,6 +83,8 @@ struct _BootSector32
     unsigned short Signature1;                         // 510
 };
 
+#define FAT_DIRTY_BIT 0x01
+
 struct _BootSectorFatX
 {
     unsigned char SysType[4];        // 0
@@ -235,6 +241,7 @@ typedef union _DIR_ENTRY DIR_ENTRY, *PDIR_ENTRY;
 #define VCB_VOLUME_LOCKED       0x0001
 #define VCB_DISMOUNT_PENDING    0x0002
 #define VCB_IS_FATX             0x0004
+#define VCB_IS_SYS_OR_HAS_PAGE  0x0008
 #define VCB_IS_DIRTY            0x4000 /* Volume is dirty */
 #define VCB_CLEAR_DIRTY         0x8000 /* Clean dirty flag at shutdown */
 
@@ -256,11 +263,13 @@ typedef struct
     ULONG FatType;
     ULONG Sectors;
     BOOLEAN FixedMedia;
+    ULONG FSInfoSector;
 } FATINFO, *PFATINFO;
 
 struct _VFATFCB;
 struct _VFAT_DIRENTRY_CONTEXT;
 struct _VFAT_MOVE_CONTEXT;
+struct _VFAT_CLOSE_CONTEXT;
 
 typedef struct _HASHENTRY
 {
@@ -276,10 +285,12 @@ typedef NTSTATUS (*PGET_NEXT_CLUSTER)(PDEVICE_EXTENSION,ULONG,PULONG);
 typedef NTSTATUS (*PFIND_AND_MARK_AVAILABLE_CLUSTER)(PDEVICE_EXTENSION,PULONG);
 typedef NTSTATUS (*PWRITE_CLUSTER)(PDEVICE_EXTENSION,ULONG,ULONG,PULONG);
 
-typedef BOOLEAN (*PIS_DIRECTORY_EMPTY)(struct _VFATFCB*);
+typedef BOOLEAN (*PIS_DIRECTORY_EMPTY)(PDEVICE_EXTENSION,struct _VFATFCB*);
 typedef NTSTATUS (*PADD_ENTRY)(PDEVICE_EXTENSION,PUNICODE_STRING,struct _VFATFCB**,struct _VFATFCB*,ULONG,UCHAR,struct _VFAT_MOVE_CONTEXT*);
 typedef NTSTATUS (*PDEL_ENTRY)(PDEVICE_EXTENSION,struct _VFATFCB*,struct _VFAT_MOVE_CONTEXT*);
 typedef NTSTATUS (*PGET_NEXT_DIR_ENTRY)(PVOID*,PVOID*,struct _VFATFCB*,struct _VFAT_DIRENTRY_CONTEXT*,BOOLEAN);
+typedef NTSTATUS (*PGET_DIRTY_STATUS)(PDEVICE_EXTENSION,PBOOLEAN);
+typedef NTSTATUS (*PSET_DIRTY_STATUS)(PDEVICE_EXTENSION,BOOLEAN);
 
 typedef struct _VFAT_DISPATCH
 {
@@ -321,7 +332,8 @@ typedef struct DEVICE_EXTENSION
     PGET_NEXT_CLUSTER GetNextCluster;
     PFIND_AND_MARK_AVAILABLE_CLUSTER FindAndMarkAvailableCluster;
     PWRITE_CLUSTER WriteCluster;
-    ULONG CleanShutBitMask;
+    PGET_DIRTY_STATUS GetDirtyStatus;
+    PSET_DIRTY_STATUS SetDirtyStatus;
 
     ULONG BaseDateYear;
 
@@ -347,7 +359,7 @@ BOOLEAN
 VfatIsDirectoryEmpty(PDEVICE_EXTENSION DeviceExt,
                      struct _VFATFCB* Fcb)
 {
-    return DeviceExt->Dispatch.IsDirectoryEmpty(Fcb);
+    return DeviceExt->Dispatch.IsDirectoryEmpty(DeviceExt, Fcb);
 }
 
 FORCEINLINE
@@ -397,8 +409,15 @@ typedef struct
     NPAGED_LOOKASIDE_LIST FcbLookasideList;
     NPAGED_LOOKASIDE_LIST CcbLookasideList;
     NPAGED_LOOKASIDE_LIST IrpContextLookasideList;
+    PAGED_LOOKASIDE_LIST CloseContextLookasideList;
     FAST_IO_DISPATCH FastIoDispatch;
     CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
+    FAST_MUTEX CloseMutex;
+    ULONG CloseCount;
+    LIST_ENTRY CloseListHead;
+    BOOLEAN CloseWorkerRunning;
+    PIO_WORKITEM CloseWorkItem;
+    BOOLEAN ShutdownStarted;
 } VFAT_GLOBAL_DATA, *PVFAT_GLOBAL_DATA;
 
 extern PVFAT_GLOBAL_DATA VfatGlobalData;
@@ -409,6 +428,13 @@ extern PVFAT_GLOBAL_DATA VfatGlobalData;
 #define FCB_IS_PAGE_FILE        0x0008
 #define FCB_IS_VOLUME           0x0010
 #define FCB_IS_DIRTY            0x0020
+#define FCB_DELAYED_CLOSE       0x0040
+#ifdef KDBG
+#define FCB_CLEANED_UP          0x0080
+#define FCB_CLOSED              0x0100
+#endif
+
+#define NODE_TYPE_FCB ((CSHORT)0x0502)
 
 typedef struct _VFATFCB
 {
@@ -493,6 +519,8 @@ typedef struct _VFATFCB
     FAST_MUTEX LastMutex;
     ULONG LastCluster;
     ULONG LastOffset;
+
+    struct _VFAT_CLOSE_CONTEXT * CloseContext;
 } VFATFCB, *PVFATFCB;
 
 #define CCB_DELETE_ON_CLOSE     0x0001
@@ -507,10 +535,13 @@ typedef struct _VFATCCB
     UNICODE_STRING SearchPattern;
 } VFATCCB, *PVFATCCB;
 
-#define TAG_CCB  'BCCV'
-#define TAG_FCB  'BCFV'
-#define TAG_IRP  'PRIV'
+#define TAG_CCB  'CtaF'
+#define TAG_FCB  'FtaF'
+#define TAG_IRP  'ItaF'
 #define TAG_VFAT 'TAFV'
+#define TAG_CLOSE 'xtaF'
+#define TAG_STATS 'VtaF'
+#define TAG_BUFFER 'OtaF'
 
 #define ENTRIES_PER_SECTOR (BLOCKSIZE / sizeof(FATDirEntry))
 
@@ -534,6 +565,7 @@ DOSDATE, *PDOSDATE;
 #define IRPCONTEXT_COMPLETE         0x0002
 #define IRPCONTEXT_QUEUE            0x0004
 #define IRPCONTEXT_PENDINGRETURNED  0x0008
+#define IRPCONTEXT_DEFERRED_WRITE   0x0010
 
 typedef struct
 {
@@ -558,6 +590,7 @@ typedef struct _VFAT_DIRENTRY_CONTEXT
     DIR_ENTRY DirEntry;
     UNICODE_STRING LongNameU;
     UNICODE_STRING ShortNameU;
+    PDEVICE_EXTENSION DeviceExt;
 } VFAT_DIRENTRY_CONTEXT, *PVFAT_DIRENTRY_CONTEXT;
 
 typedef struct _VFAT_MOVE_CONTEXT
@@ -569,6 +602,13 @@ typedef struct _VFAT_MOVE_CONTEXT
     BOOLEAN InPlace;
 } VFAT_MOVE_CONTEXT, *PVFAT_MOVE_CONTEXT;
 
+typedef struct _VFAT_CLOSE_CONTEXT
+{
+    PDEVICE_EXTENSION Vcb;
+    PVFATFCB Fcb;
+    LIST_ENTRY CloseListEntry;
+} VFAT_CLOSE_CONTEXT, *PVFAT_CLOSE_CONTEXT;
+
 FORCEINLINE
 NTSTATUS
 VfatMarkIrpContextForQueue(PVFAT_IRP_CONTEXT IrpContext)
@@ -602,6 +642,21 @@ vfatVolumeIsFatX(PDEVICE_EXTENSION DeviceExt)
     return BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX);
 }
 
+FORCEINLINE
+VOID
+vfatReportChange(
+    IN PDEVICE_EXTENSION DeviceExt,
+    IN PVFATFCB Fcb,
+    IN ULONG FilterMatch,
+    IN ULONG Action)
+{
+    FsRtlNotifyFullReportChange(DeviceExt->NotifySync,
+                                &(DeviceExt->NotifyList),
+                                (PSTRING)&Fcb->PathNameU,
+                                Fcb->PathNameU.Length - Fcb->LongNameU.Length,
+                                NULL, NULL, FilterMatch, Action, NULL);
+}
+
 #define vfatAddToStat(Vcb, Stat, Inc)                                                                         \
 {                                                                                                             \
     PSTATISTICS Stats = &(Vcb)->Statistics[KeGetCurrentProcessorNumber() % VfatGlobalData->NumberProcessors]; \
@@ -626,6 +681,14 @@ VfatReadDiskPartial(
     IN ULONG BufferOffset,
     IN BOOLEAN Wait);
 
+NTSTATUS
+VfatWriteDisk(
+    IN PDEVICE_OBJECT pDeviceObject,
+    IN PLARGE_INTEGER WriteOffset,
+    IN ULONG WriteLength,
+    IN OUT PUCHAR Buffer,
+    IN BOOLEAN Override);
+
 NTSTATUS
 VfatWriteDiskPartial(
     IN PVFAT_IRP_CONTEXT IrpContext,
@@ -709,10 +772,15 @@ vfatDirEntryGetFirstCluster(
 
 /* dirwr.c */
 
+NTSTATUS
+vfatFCBInitializeCacheFromVolume(
+    PVCB vcb,
+    PVFATFCB fcb);
+
 NTSTATUS
 VfatUpdateEntry(
-    PVFATFCB pFcb,
-    IN BOOLEAN IsFatX);
+    IN PDEVICE_EXTENSION DeviceExt,
+    PVFATFCB pFcb);
 
 BOOLEAN
 vfatFindDirSpace(
@@ -760,17 +828,6 @@ NTAPI
 VfatReleaseFromLazyWrite(
     IN PVOID Context);
 
-BOOLEAN
-NTAPI
-VfatAcquireForReadAhead(
-    IN PVOID Context,
-    IN BOOLEAN Wait);
-
-VOID
-NTAPI
-VfatReleaseFromReadAhead(
-    IN PVOID Context);
-
 /* fat.c */
 
 NTSTATUS
@@ -863,6 +920,40 @@ WriteCluster(
     ULONG ClusterToWrite,
     ULONG NewValue);
 
+NTSTATUS
+GetDirtyStatus(
+    PDEVICE_EXTENSION DeviceExt,
+    PBOOLEAN DirtyStatus);
+
+NTSTATUS
+FAT16GetDirtyStatus(
+    PDEVICE_EXTENSION DeviceExt,
+    PBOOLEAN DirtyStatus);
+
+NTSTATUS
+FAT32GetDirtyStatus(
+    PDEVICE_EXTENSION DeviceExt,
+    PBOOLEAN DirtyStatus);
+
+NTSTATUS
+SetDirtyStatus(
+    PDEVICE_EXTENSION DeviceExt,
+    BOOLEAN DirtyStatus);
+
+NTSTATUS
+FAT16SetDirtyStatus(
+    PDEVICE_EXTENSION DeviceExt,
+    BOOLEAN DirtyStatus);
+
+NTSTATUS
+FAT32SetDirtyStatus(
+    PDEVICE_EXTENSION DeviceExt,
+    BOOLEAN DirtyStatus);
+
+NTSTATUS
+FAT32UpdateFreeClustersCount(
+    PDEVICE_EXTENSION DeviceExt);
+
 /* fcb.c */
 
 PVFATFCB
@@ -892,14 +983,41 @@ vfatDestroyCCB(
     PVFATCCB pCcb);
 
 VOID
+#ifndef KDBG
 vfatGrabFCB(
+#else
+_vfatGrabFCB(
+#endif
     PDEVICE_EXTENSION pVCB,
-    PVFATFCB pFCB);
+    PVFATFCB pFCB
+#ifdef KDBG
+    ,
+    PCSTR File,
+    ULONG Line,
+    PCSTR Func
+#endif
+    );
 
 VOID
+#ifndef KDBG
 vfatReleaseFCB(
+#else
+_vfatReleaseFCB(
+#endif
     PDEVICE_EXTENSION pVCB,
-    PVFATFCB pFCB);
+    PVFATFCB pFCB
+#ifdef KDBG
+    ,
+    PCSTR File,
+    ULONG Line,
+    PCSTR Func
+#endif
+    );
+
+#ifdef KDBG
+#define vfatGrabFCB(v, f) _vfatGrabFCB(v, f, __FILE__, __LINE__, __FUNCTION__)
+#define vfatReleaseFCB(v, f) _vfatReleaseFCB(v, f, __FILE__, __LINE__, __FUNCTION__)
+#endif
 
 PVFATFCB
 vfatGrabFCBFromTable(
@@ -1005,6 +1123,10 @@ DriverEntry(
     PDRIVER_OBJECT DriverObject,
     PUNICODE_STRING RegistryPath);
 
+#ifdef KDBG
+/* kdbg.c */
+KDBG_CLI_ROUTINE vfatKdbgHandler;
+#endif
 
 /* misc.c */
 
@@ -1033,6 +1155,19 @@ VfatCheckForDismount(
     IN PDEVICE_EXTENSION DeviceExt,
     IN BOOLEAN Create);
 
+VOID
+vfatReportChange(
+    IN PDEVICE_EXTENSION DeviceExt,
+    IN PVFATFCB Fcb,
+    IN ULONG FilterMatch,
+    IN ULONG Action);
+
+VOID
+NTAPI
+VfatHandleDeferredWrite(
+    IN PVOID IrpContext,
+    IN PVOID Unused);
+
 /* pnp.c */
 
 NTSTATUS