[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 1f29395..993d5f9 100644 (file)
--- a/drivers/filesystems/fastfat/vfat.h
+++ b/drivers/filesystems/fastfat/vfat.h
@@ -83,6 +83,8 @@ struct _BootSector32
     unsigned short Signature1;                         // 510
 };
 
+#define FAT_DIRTY_BIT 0x01
+
 struct _BootSectorFatX
 {
     unsigned char SysType[4];        // 0
@@ -261,11 +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
 {
@@ -285,6 +289,8 @@ 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
 {
@@ -326,7 +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;
 
@@ -402,8 +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;
@@ -414,9 +428,10 @@ 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          0x0040
-#define FCB_CLOSED              0x0080
+#define FCB_CLEANED_UP          0x0080
+#define FCB_CLOSED              0x0100
 #endif
 
 #define NODE_TYPE_FCB ((CSHORT)0x0502)
@@ -504,6 +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
@@ -518,10 +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))
 
@@ -582,6 +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)
@@ -654,6 +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,
@@ -885,6 +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