[FASTFAT] Minor cleanup of the main header file.

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

diff --git a/drivers/filesystems/fastfat/vfat.h b/drivers/filesystems/fastfat/vfat.h
index 1f29395..4787534 100644 (file)
--- a/drivers/filesystems/fastfat/vfat.h
+++ b/drivers/filesystems/fastfat/vfat.h
@@ -5,23 +5,22 @@
 #include <ntdddisk.h>
 #include <dos.h>
 #include <pseh/pseh2.h>
+#include <section_attribs.h>
 #ifdef KDBG
 #include <ndk/kdfuncs.h>
 #include <reactos/kdros.h>
 #endif
 
-#ifdef __GNUC__
-#define INIT_SECTION __attribute__((section ("INIT")))
-#else
-#define INIT_SECTION /* Done via alloc_text for MSC */
-#endif
 
 #define USE_ROS_CC_AND_FS
-#if 0
-#ifndef _MSC_VER
 #define ENABLE_SWAPOUT
-#endif
-#endif
+
+/* FIXME: because volume is not cached, we have to perform direct IOs
+ * The day this is fixed, just comment out that line, and check
+ * it still works (and delete old code ;-))
+ */
+#define VOLUME_IS_NOT_CACHED_WORK_AROUND_IT
+
 
 #define ROUND_DOWN(n, align) \
     (((ULONG)n) & ~((align) - 1l))
@@ -83,6 +82,8 @@ struct _BootSector32
     unsigned short Signature1;                         // 510
 };
 
+#define FAT_DIRTY_BIT 0x01
+
 struct _BootSectorFatX
 {
     unsigned char SysType[4];        // 0
@@ -242,6 +243,8 @@ typedef union _DIR_ENTRY DIR_ENTRY, *PDIR_ENTRY;
 #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 */
+/* VCB condition state */
+#define VCB_GOOD                0x0010 /* If not set, the VCB is improper for usage */
 
 typedef struct
 {
@@ -261,11 +264,13 @@ 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 +290,8 @@ 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
 {
@@ -320,13 +327,15 @@ typedef struct DEVICE_EXTENSION
     BOOLEAN AvailableClustersValid;
     ULONG Flags;
     struct _VFATFCB *VolumeFcb;
+    struct _VFATFCB *RootFcb;
     PSTATISTICS Statistics;
 
     /* Pointers to functions for manipulating FAT. */
     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 +411,15 @@ 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 +430,10 @@ 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 +521,8 @@ 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 +537,16 @@ typedef struct _VFATCCB
     UNICODE_STRING SearchPattern;
 } VFATCCB, *PVFATCCB;
 
-#define TAG_CCB  'BCCV'
-#define TAG_FCB  'BCFV'
-#define TAG_IRP  'PRIV'
-#define TAG_VFAT 'TAFV'
+#define TAG_CCB  'CtaF'
+#define TAG_FCB  'FtaF'
+#define TAG_IRP  'ItaF'
+#define TAG_CLOSE 'xtaF'
+#define TAG_STATS 'VtaF'
+#define TAG_BUFFER 'OtaF'
+#define TAG_VPB 'vtaF'
+#define TAG_NAME 'ntaF'
+#define TAG_SEARCH 'LtaF'
+#define TAG_DIRENT 'DtaF'
 
 #define ENTRIES_PER_SECTOR (BLOCKSIZE / sizeof(FATDirEntry))
 
@@ -582,6 +607,13 @@ 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 +686,14 @@ 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,
@@ -778,6 +818,7 @@ VfatSetExtendedAttributes(
 
 /* fastio.c */
 
+INIT_FUNCTION
 VOID
 VfatInitFastIoRoutines(
     PFAST_IO_DISPATCH FastIoDispatch);
@@ -885,6 +926,40 @@ 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
@@ -1048,6 +1123,7 @@ VfatFileSystemControl(
 
 /* iface.c */
 
+INIT_FUNCTION
 NTSTATUS
 NTAPI
 DriverEntry(
@@ -1072,14 +1148,14 @@ VfatBuildRequest(
 
 PVOID
 VfatGetUserBuffer(
-    IN PIRP,
+    IN PIRP Irp,
     IN BOOLEAN Paging);
 
 NTSTATUS
 VfatLockUserBuffer(
-    IN PIRP,
-    IN ULONG,
-    IN LOCK_OPERATION);
+    IN PIRP Irp,
+    IN ULONG Length,
+    IN LOCK_OPERATION Operation);
 
 BOOLEAN
 VfatCheckForDismount(
@@ -1145,11 +1221,6 @@ BOOLEAN
 vfatIsLongIllegal(
     WCHAR c);
 
-BOOLEAN
-wstrcmpjoki(
-    PWSTR s1,
-    PWSTR s2);
-
 /* volume.c */
 
 NTSTATUS