/*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * @APPLE_LICENSE_HEADER_END@
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the
+ * License may not be used to create, or enable the creation or
+ * redistribution of, unlawful or unlicensed copies of an Apple operating
+ * system, or to circumvent, violate, or enable the circumvention or
+ * violation of, any terms of an Apple operating system software license
+ * agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
*/
/*
File: FilesInternal.h
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
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 {
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)->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);
UInt32 srcHint,
UInt32 destHint );
-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);
-
-
/* BTree Manager Routines*/
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 )
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( OSErr )
-VolumeWritable (ExtendedVCB * vcb);
/* Get the current time in UTC (GMT)*/
projects / apple / xnu.git / blobdiff