/*++

Copyright?（c）?Microsoft?Corporation.?All?rights?reserved.?

You?may?only?use?this?code?if?you?agree?to?the?terms?of?the?Windows?Research?Kernel?Source?Code?License?agreement?（see?License.txt）.
If?you?do?not?agree?to?the?terms?do?not?use?the?code.


Module?Name:

????cachedat.c

Abstract:

????This?module?implements?the?Memory?Management?based?cache?management
????routines?for?the?common?Cache?subsystem.

--*/

#include?“cc.h“

//
//??Global?SharedCacheMap?lists?and?resource?to?synchronize?access?to?it.
//
//

//?extern?KSPIN_LOCK?CcMasterSpinLock;
LIST_ENTRY?CcCleanSharedCacheMapList;
SHARED_CACHE_MAP_LIST_CURSOR?CcDirtySharedCacheMapList;
SHARED_CACHE_MAP_LIST_CURSOR?CcLazyWriterCursor;

//
//??Worker?thread?structures:
//
//??????A?spinlock?to?synchronize?all?three?lists.
//??????A?count?of?the?number?of?worker?threads?Cc?will?use
//??????A?count?of?the?number?of?worker?threads?Cc?in?use
//??????A?listhead?for?preinitialized?executive?work?items?for?Cc?use.
//??????A?listhead?for?an?express?queue?of?WORK_QUEUE_ENTRYs
//??????A?listhead?for?a?regular?queue?of?WORK_QUEUE_ENTRYs
//??????A?listhead?for?a?post-tick?queue?of?WORK_QUEUE_ENTRYs
//
//??????A?flag?indicating?if?we?are?throttling?the?queue?to?a?single?thread
//

//?extern?KSPIN_LOCK?CcWorkQueueSpinLock;
ULONG?CcNumberWorkerThreads?=?0;
ULONG?CcNumberActiveWorkerThreads?=?0;
LIST_ENTRY?CcIdleWorkerThreadList;
LIST_ENTRY?CcExpressWorkQueue;
LIST_ENTRY?CcRegularWorkQueue;
LIST_ENTRY?CcPostTickWorkQueue;

BOOLEAN?CcQueueThrottle?=?FALSE;

//
//??Store?the?current?idle?delay?and?target?time?to?clean?all.??We?must?calculate
//??the?idle?delay?in?terms?of?clock?ticks?for?the?lazy?writer?timeout.
//

ULONG?CcIdleDelayTick;
LARGE_INTEGER?CcNoDelay;
LARGE_INTEGER?CcFirstDelay?=?{（ULONG）-（3*LAZY_WRITER_IDLE_DELAY）?-1};
LARGE_INTEGER?CcIdleDelay?=?{（ULONG）-LAZY_WRITER_IDLE_DELAY?-1};
LARGE_INTEGER?CcCollisionDelay?=?{（ULONG）-LAZY_WRITER_COLLISION_DELAY?-1};
LARGE_INTEGER?CcTargetCleanDelay?=?{（ULONG）-（LONG）（LAZY_WRITER_IDLE_DELAY?*?（LAZY_WRITER_MAX_AGE_TARGET?+?1））?-1};

//
//??Spinlock?for?controlling?access?to?Vacb?and?related?global?structures
//??and?a?counter?indicating?how?many?Vcbs?are?active.
//

//?extern?KSPIN_LOCK?CcVacbSpinLock;
ULONG_PTR?CcNumberVacbs;

//
//??Pointer?to?the?global?Vacb?vector.
//

PVACB?CcVacbs;
PVACB?CcBeyondVacbs;
LIST_ENTRY?CcVacbLru;
LIST_ENTRY?CcVacbFreeList;
ULONG?CcMaxVacbLevelsSeen?=?1;
ULONG?CcVacbLevelEntries?=?0;
PVACB?*CcVacbLevelFreeList?=?NULL;
ULONG?CcVacbLevelWithBcbsEntries?=?0;
PVACB?*CcVacbLevelWithBcbsFreeList?=?NULL;

//
//??Deferred?write?list?and?respective?Thresholds
//

extern?ALIGNED_SPINLOCK?CcDeferredWriteSpinLock;
LIST_ENTRY?CcDeferredWrites;
ULONG?CcDirtyPageThreshold;
ULONG?CcDirtyPageTarget;
ULONG?CcPagesYetToWrite;
ULONG?CcPagesWrittenLastTime?=?0;
ULONG?CcDirtyPagesLastScan?=?0;
ULONG?CcAvailablePagesThreshold?=?100;
ULONG?Cc

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-14?12:01??wrk-v1.2\
?????目錄???????????0??2013-10-12?11:51??wrk-v1.2\amd64\
?????目錄???????????0??2013-10-09?19:19??wrk-v1.2\base\
?????目錄???????????0??2013-10-09?19:19??wrk-v1.2\base\inc\
?????文件????????3477??2007-01-25?03:54??wrk-v1.2\base\inc\ntdlltrc.h
?????目錄???????????0??2013-10-09?19:19??wrk-v1.2\base\ntos\
?????目錄???????????0??2013-10-12?11:07??wrk-v1.2\base\ntos\build\
?????目錄???????????0??2018-10-24?11:47??wrk-v1.2\base\ntos\build\amd64\
?????文件???????69364??2013-10-12?11:02??wrk-v1.2\base\ntos\build\amd64\WindowsResearchKernel.log
?????目錄???????????0??2013-10-12?11:11??wrk-v1.2\base\ntos\build\exe\
?????文件???????44540??2013-10-12?11:11??wrk-v1.2\base\ntos\build\exe\wrkx86.def
?????文件?????2253824??2013-10-12?11:11??wrk-v1.2\base\ntos\build\exe\wrkx86.exe
?????文件??????260412??2013-10-12?11:11??wrk-v1.2\base\ntos\build\exe\wrkx86.exp
?????文件??????396104??2013-10-12?11:11??wrk-v1.2\base\ntos\build\exe\wrkx86.lib
?????文件?????1011937??2013-10-12?11:11??wrk-v1.2\base\ntos\build\exe\wrkx86.map
?????文件?????7080960??2013-10-12?11:11??wrk-v1.2\base\ntos\build\exe\wrkx86.pdb
?????文件????????2526??2007-01-25?03:11??wrk-v1.2\base\ntos\build\makefile
?????文件????????2670??2007-01-25?03:11??wrk-v1.2\base\ntos\build\makefile.build
?????目錄???????????0??2013-10-12?11:02??wrk-v1.2\base\ntos\build\objamd64\
?????文件??????237656??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\cache.lib
?????文件?????1073264??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\config.lib
?????文件???????68884??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\dbgk.lib
?????文件??????610100??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\ex.lib
?????文件??????336770??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\fsrtl.lib
?????文件???????54994??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\fstub.lib
?????文件???????35920??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\init.lib
?????文件???????23842??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\io.lib
?????文件??????575780??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\iomgr.lib
?????文件??????813222??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\ke.lib
?????文件??????153594??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\lpc.lib
?????文件?????1728896??2013-10-12?11:01??wrk-v1.2\base\ntos\build\objamd64\mm.lib
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