xnu-517.tar.gz

[apple/xnu.git] / bsd / hfs / hfscommon / headers / FileMgrInternal.h

diff --git a/bsd/hfs/hfscommon/headers/FileMgrInternal.h b/bsd/hfs/hfscommon/headers/FileMgrInternal.h
index 2ed9ad24f654aaea2559d9465b1688e2e7905b26..83bd5b902633f3aeb96da129815aa66143dfb27c 100644 (file)
--- a/bsd/hfs/hfscommon/headers/FileMgrInternal.h
+++ b/bsd/hfs/hfscommon/headers/FileMgrInternal.h
@@ -118,6 +118,7 @@ enum {
        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
@@ -289,9 +290,10 @@ ReplaceBTreeRecord                         (FileReference                          refNum,
 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);
 
@@ -300,10 +302,19 @@ BlockDeallocate                                   (ExtendedVCB *                  vcb,
                                                                 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);
 
+EXTERN_API_C( UInt32 )
+MetaZoneFreeBlocks(ExtendedVCB *vcb);
+
 /*     File Extent Mapping routines*/
 EXTERN_API_C( OSErr )
 FlushExtentFile                                        (ExtendedVCB *                  vcb);
@@ -338,6 +349,9 @@ MapFileBlockC                                       (ExtendedVCB *                  vcb,
                                                                 daddr_t *                              startBlock,
                                                                 size_t *                               availableBytes);
 
+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,