/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#ifndef __FILEMGRINTERNAL__
#define __FILEMGRINTERNAL__
+#include <sys/appleapiopts.h>
+
+#ifdef KERNEL
+#ifdef __APPLE_API_PRIVATE
+
#include <sys/param.h>
#include <sys/vnode.h>
#include "../../hfs.h"
#include "../../hfs_macos_defs.h"
#include "../../hfs_format.h"
+#include "../../hfs_cnode.h"
#if PRAGMA_ONCE
/* internal flags*/
enum {
- kEFContigBit = 1, /* force contiguous allocation*/
- kEFContigMask = 0x02,
- kEFAllBit = 0, /* allocate all requested bytes or none*/
- kEFAllMask = 0x01, /* TruncateFile option flags*/
+ kEFAllMask = 0x01, /* allocate all requested bytes or none */
+ kEFContigMask = 0x02, /* force contiguous allocation */
+ kEFReserveMask = 0x04, /* keep block reserve */
+ kEFDeferMask = 0x08, /* defer file block allocations */
+ kEFNoClumpMask = 0x10, /* don't round up to clump size */
+ kEFMetadataMask = 0x20, /* metadata allocation */
+
kTFTrunExtBit = 0, /* truncate to the extent containing new PEOF*/
kTFTrunExtMask = 1
};
};
-enum {
- kInvalidMRUCacheKey = -1L, /* flag to denote current MRU cache key is invalid*/
- kDefaultNumMRUCacheBlocks = 16 /* default number of blocks in each cache*/
-};
-
-
/* Universal Extent Key */
union ExtentKey {
HFSPlusExtentRecord hfsPlus;
};
typedef union ExtentRecord ExtentRecord;
-/* Universal catalog key */
-
-union CatalogKey {
- HFSCatalogKey hfs;
- HFSPlusCatalogKey hfsPlus;
-};
-typedef union CatalogKey CatalogKey;
-/* Universal catalog data record */
-
-union CatalogRecord {
- SInt16 recordType;
- HFSCatalogFolder hfsFolder;
- HFSCatalogFile hfsFile;
- HFSCatalogThread hfsThread;
- HFSPlusCatalogFolder hfsPlusFolder;
- HFSPlusCatalogFile hfsPlusFile;
- HFSPlusCatalogThread hfsPlusThread;
-};
-typedef union CatalogRecord CatalogRecord;
enum {
};
-enum {
- vcbMaxNam = 27, /* volumes currently have a 27 byte max name length*/
- /* VCB flags*/
- vcbManualEjectMask = 0x0001, /* bit 0 manual-eject bit: set if volume is in a manual-eject drive*/
- vcbFlushCriticalInfoMask = 0x0002, /* bit 1 critical info bit: set if critical MDB information needs to flush*/
- /* IoParam->ioVAtrb*/
- kDefaultVolumeMask = 0x0020,
- kFilesOpenMask = 0x0040
-};
-
/* Universal catalog name*/
/*
* MacOS accessor routines
*/
-#define GetFileControlBlock(fref) ((FCB *)((fref)->v_data))
-#define GetFileRefNumFromFCB(filePtr) ((filePtr)->h_vp)
+#define GetFileControlBlock(fref) VTOF((fref))
+#define GetFileRefNumFromFCB(fcb) FTOV((fcb))
/* The following macro marks a VCB as dirty by setting the upper 8 bits of the flags*/
IsVCBDirty (ExtendedVCB *vcb);
-#define VCB_LOCK_INIT(vcb) simple_lock_init(&vcb->vcbSimpleLock)
-#define VCB_LOCK(vcb) simple_lock(&vcb->vcbSimpleLock)
-#define VCB_UNLOCK(vcb) simple_unlock(&vcb->vcbSimpleLock)
-
-#define MarkVCBDirty(vcb) { VCB_LOCK((vcb)); ((vcb)->vcbFlags |= 0xFF00); VCB_UNLOCK((vcb)); }
-#define MarkVCBClean(vcb) { VCB_LOCK((vcb)); ((vcb)->vcbFlags &= 0x00FF); VCB_UNLOCK((vcb)); }
+#define MarkVCBDirty(vcb) { ((vcb)->vcbFlags |= 0xFF00); }
+#define MarkVCBClean(vcb) { ((vcb)->vcbFlags &= 0x00FF); }
#define IsVCBDirty(vcb) ((Boolean) ((vcb->vcbFlags & 0xFF00) != 0))
ReturnIfError (OSErr result);
#define ReturnIfError(result) if ( (result) != noErr ) return (result); else ;
-/* Test for passed condition and return if true*/
-EXTERN_API_C( void )
-ReturnErrorIf (Boolean condition,
- OSErr result);
-#define ReturnErrorIf(condition, error) if ( (condition) ) return( (error) );
/* Exit function on error*/
EXTERN_API_C( void )
ExitOnError (OSErr result);
/* Catalog Manager Routines (IPI)*/
-EXTERN_API_C( OSErr )
-CreateCatalogNode (ExtendedVCB * volume,
- HFSCatalogNodeID parentID,
- ConstUTF8Param name,
- UInt32 nodeType,
- HFSCatalogNodeID * catalogNodeID,
- UInt32 * catalogHint,
- UInt32 teHint);
-
-EXTERN_API_C( OSErr )
-DeleteCatalogNode (ExtendedVCB * volume,
- HFSCatalogNodeID parentID,
- ConstUTF8Param name,
- UInt32 hint);
-
-EXTERN_API_C( OSErr )
-GetCatalogNode (ExtendedVCB * volume,
- HFSCatalogNodeID parentID,
- ConstUTF8Param name,
- UInt32 length,
- UInt32 hint,
- CatalogNodeData * nodeData,
- UInt32 * newHint);
-
-EXTERN_API_C( OSErr )
-GetCatalogOffspring (ExtendedVCB * volume,
- HFSCatalogNodeID folderID,
- UInt16 index,
- CatalogNodeData * nodeData,
- HFSCatalogNodeID * nodeID,
- SInt16 * nodeType);
-
-EXTERN_API_C( OSErr )
-MoveRenameCatalogNode (ExtendedVCB * volume,
- HFSCatalogNodeID srcParentID,
- ConstUTF8Param srcName,
- UInt32 srcHint,
- HFSCatalogNodeID dstParentID,
- ConstUTF8Param dstName,
- UInt32 * newHint,
- UInt32 teHint);
-
-EXTERN_API_C( OSErr )
-UpdateCatalogNode (ExtendedVCB * volume,
- HFSCatalogNodeID parentID,
- ConstUTF8Param name,
- UInt32 catalogHint,
- const CatalogNodeData * nodeData);
-
-EXTERN_API_C( OSErr )
-CreateFileIDRef (ExtendedVCB * volume,
- HFSCatalogNodeID parentID,
- ConstUTF8Param name,
- UInt32 hint,
- HFSCatalogNodeID * threadID);
-
EXTERN_API_C( OSErr )
ExchangeFileIDs (ExtendedVCB * volume,
ConstUTF8Param srcName,
UInt32 srcHint,
UInt32 destHint );
-EXTERN_API_C( OSErr )
-LinkCatalogNode (ExtendedVCB * volume,
- HFSCatalogNodeID parentID,
- ConstUTF8Param name,
- HFSCatalogNodeID linkParentID,
- ConstUTF8Param linkName);
-
-EXTERN_API_C( SInt32 )
-CompareCatalogKeys (HFSCatalogKey * searchKey,
- HFSCatalogKey * trialKey);
-
-EXTERN_API_C( SInt32 )
-CompareExtendedCatalogKeys (HFSPlusCatalogKey * searchKey,
- HFSPlusCatalogKey * trialKey);
-
-EXTERN_API_C( OSErr )
-InitCatalogCache (void);
-
-EXTERN_API_C( void )
-InvalidateCatalogCache (ExtendedVCB * volume);
-
-
-/* GenericMRUCache Routines*/
-EXTERN_API_C( OSErr )
-InitMRUCache (UInt32 bufferSize,
- UInt32 numCacheBlocks,
- Ptr * cachePtr);
-
-EXTERN_API_C( OSErr )
-DisposeMRUCache (Ptr cachePtr);
-
-EXTERN_API_C( void )
-TrashMRUCache (Ptr cachePtr);
-
-EXTERN_API_C( OSErr )
-GetMRUCacheBlock (UInt32 key,
- Ptr cachePtr,
- Ptr * buffer);
-
-EXTERN_API_C( void )
-InvalidateMRUCacheBlock (Ptr cachePtr,
- Ptr buffer);
-
-EXTERN_API_C( void )
-InsertMRUCacheBlock (Ptr cachePtr,
- UInt32 key,
- Ptr buffer);
/* BTree Manager Routines*/
UInt16 * dataSize,
UInt32 * newHint);
-EXTERN_API_C( OSErr )
-InsertBTreeRecord (FileReference refNum,
- void * key,
- void * data,
- UInt16 dataSize,
- UInt32 * newHint);
-
-EXTERN_API_C( OSErr )
-DeleteBTreeRecord (FileReference refNum,
- void * key);
-
EXTERN_API_C( OSErr )
ReplaceBTreeRecord (FileReference refNum,
const void * key,
EXTERN_API_C( OSErr )
BlockAllocate (ExtendedVCB * vcb,
UInt32 startingBlock,
- SInt64 bytesRequested,
- SInt64 bytesMaximum,
+ UInt32 minBlocks,
+ UInt32 maxBlocks,
Boolean forceContiguous,
+ Boolean useMetaZone,
UInt32 * startBlock,
UInt32 * actualBlocks);
UInt32 firstBlock,
UInt32 numBlocks);
+EXTERN_API_C( OSErr )
+BlockMarkAllocated(ExtendedVCB *vcb, UInt32 startingBlock, UInt32 numBlocks);
+
+EXTERN_API_C( OSErr )
+BlockMarkFree( ExtendedVCB *vcb, UInt32 startingBlock, UInt32 numBlocks);
+
EXTERN_API_C( UInt32 )
-FileBytesToBlocks (SInt64 numerator,
- UInt32 denominator);
+MetaZoneFreeBlocks(ExtendedVCB *vcb);
/* File Extent Mapping routines*/
EXTERN_API_C( OSErr )
CompareExtentKeysPlus (const HFSPlusExtentKey *searchKey,
const HFSPlusExtentKey *trialKey);
-EXTERN_API_C( OSErr )
-DeleteFile (ExtendedVCB * vcb,
- HFSCatalogNodeID parDirID,
- ConstUTF8Param catalogName,
- UInt32 catalogHint);
-
EXTERN_API_C( OSErr )
TruncateFileC (ExtendedVCB * vcb,
FCB * fcb,
FCB * fcb,
size_t numberOfBytes,
off_t offset,
- daddr_t * startBlock,
+ daddr64_t * startBlock,
size_t * availableBytes);
+OSErr HeadTruncateFile(ExtendedVCB *vcb, FCB *fcb, UInt32 headblks);
+
+EXTERN_API_C( int )
+AddFileExtent (ExtendedVCB *vcb, FCB *fcb, UInt32 startBlock, UInt32 blockCount);
+
#if TARGET_API_MACOS_X
EXTERN_API_C( Boolean )
NodesAreContiguous (ExtendedVCB * vcb,
UInt32 nodeSize);
#endif
-/* Utility routines*/
-
-EXTERN_API_C( void )
-ClearMemory (void * start,
- UInt32 length);
-
-EXTERN_API_C( OSErr )
-VolumeWritable (ExtendedVCB * vcb);
/* Get the current time in UTC (GMT)*/
EXTERN_API_C( UInt32 )
GetTimeUTC (void);
-/* Get the current local time*/
-EXTERN_API_C( UInt32 )
-GetTimeLocal (Boolean forHFS);
-
EXTERN_API_C( UInt32 )
LocalToUTC (UInt32 localTime);
UTCToLocal (UInt32 utcTime);
-/* Volumes routines*/
-EXTERN_API_C( OSErr )
-FlushVolumeControlBlock (ExtendedVCB * vcb);
-
-EXTERN_API_C( OSErr )
-ValidVolumeHeader (HFSPlusVolumeHeader * volumeHeader);
-
-
#if PRAGMA_STRUCT_ALIGN
#pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
}
#endif
+#endif /* __APPLE_API_PRIVATE */
+#endif /* KERNEL */
#endif /* __FILEMGRINTERNAL__ */
projects / apple / xnu.git / blobdiff