mirror of
https://github.com/reactos/reactos.git
synced 2024-06-30 18:01:07 +00:00
2002-12-15 Casper S. Hornstrup <chorns@users.sourceforge.net>
* drivers/fs/vfat/cleanup.c (VfatCleanupFile): Only uninitialize caching when initialized. * drivers/fs/vfat/fcb.c (vfatReleaseFCB): Ditto. * lib/kernel32/mem/section.c (CreateFileMappingW): Pass NULL as MaximumSize to NtCreateSection if dwMaximumSizeHigh and dwMaximumSizeLow are both 0. * ntoskrnl/cc/pin.c (CcMapData): Assert if Bcb is NULL. * ntoskrnl/cc/view.c (CcRosReleaseCacheSegment, CcRosLookupCacheSegment, CcRosMarkDirtyCacheSegment, CcRosUnmapCacheSegment, CcRosCreateCacheSegment, CcRosGetCacheSegmentChain, CcRosGetCacheSegment, CcRosRequestCacheSegment, CcFlushCache, CcRosDeleteFileCache, CcRosReferenceCache, CcRosDereferenceCache, CcRosReleaseFileCache, CcGetFileObjectFromSectionPtrs): Ditto. * ntoskrnl/mm/section.c (MiReadPage): Assert if Fcb->Bcb is NULL. (MmCreateDataFileSection): Make sure caching is initialized for the file stream. svn path=/trunk/; revision=3879
This commit is contained in:
Casper Hornstrup
parent
d774049979
commit
3aa9d2d9ba
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@ -1,3 +1,22 @@
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2002-12-15 Casper S. Hornstrup <chorns@users.sourceforge.net>
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* drivers/fs/vfat/cleanup.c (VfatCleanupFile): Only uninitialize caching
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when initialized.
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* drivers/fs/vfat/fcb.c (vfatReleaseFCB): Ditto.
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* lib/kernel32/mem/section.c (CreateFileMappingW): Pass NULL as
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MaximumSize to NtCreateSection if dwMaximumSizeHigh and dwMaximumSizeLow
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are both 0.
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* ntoskrnl/cc/pin.c (CcMapData): Assert if Bcb is NULL.
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* ntoskrnl/cc/view.c (CcRosReleaseCacheSegment, CcRosLookupCacheSegment,
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CcRosMarkDirtyCacheSegment, CcRosUnmapCacheSegment,
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CcRosCreateCacheSegment, CcRosGetCacheSegmentChain,
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CcRosGetCacheSegment, CcRosRequestCacheSegment, CcFlushCache,
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CcRosDeleteFileCache, CcRosReferenceCache, CcRosDereferenceCache,
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CcRosReleaseFileCache, CcGetFileObjectFromSectionPtrs): Ditto.
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* ntoskrnl/mm/section.c (MiReadPage): Assert if Fcb->Bcb is NULL.
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(MmCreateDataFileSection): Make sure caching is initialized for the file
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stream.
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2002-11-15 Casper S. Hornstrup <chorns@users.sourceforge.net>
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* include/ddk/ldrtypes.h: Move ...
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@ -1,4 +1,4 @@
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/* $Id: cleanup.c,v 1.7 2002/08/14 20:58:31 dwelch Exp $
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/* $Id: cleanup.c,v 1.8 2002/12/15 17:01:51 chorns Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -48,8 +48,11 @@ VfatCleanupFile(PDEVICE_EXTENSION DeviceExt,
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}
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}
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/* Uninitialize the file cache. */
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CcRosReleaseFileCache (FileObject, pFcb->RFCB.Bcb);
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/* Uninitialize file cache if initialized for this file object. */
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if (pFcb->RFCB.Bcb != NULL)
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{
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CcRosReleaseFileCache (FileObject, pFcb->RFCB.Bcb);
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}
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return STATUS_SUCCESS;
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}
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@ -1,4 +1,4 @@
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/* $Id: fcb.c,v 1.22 2002/11/11 21:49:18 hbirr Exp $
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/* $Id: fcb.c,v 1.23 2002/12/15 17:01:51 chorns Exp $
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*
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*
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* FILE: fcb.c
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@ -149,7 +149,11 @@ vfatReleaseFCB(PDEVICE_EXTENSION pVCB, PVFATFCB pFCB)
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KeReleaseSpinLock (&pVCB->FcbListLock, oldIrql);
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if (vfatFCBIsDirectory(pFCB))
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{
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CcRosReleaseFileCache(pFCB->FileObject, pFCB->RFCB.Bcb);
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/* Uninitialize file cache if initialized for this file object. */
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if (pFCB->RFCB.Bcb != NULL)
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{
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CcRosReleaseFileCache(pFCB->FileObject, pFCB->RFCB.Bcb);
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}
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vfatDestroyCCB(pFCB->FileObject->FsContext2);
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pFCB->FileObject->FsContext2 = NULL;
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ObDereferenceObject(pFCB->FileObject);
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@ -1,4 +1,4 @@
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/* $Id: section.c,v 1.16 2002/09/08 10:22:43 chorns Exp $
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/* $Id: section.c,v 1.17 2002/12/15 17:01:51 chorns Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -82,6 +82,7 @@ CreateFileMappingW(HANDLE hFile,
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NTSTATUS Status;
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HANDLE SectionHandle;
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LARGE_INTEGER MaximumSize;
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PLARGE_INTEGER MaximumSizePointer;
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING UnicodeName;
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PSECURITY_DESCRIPTOR SecurityDescriptor;
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@ -95,8 +96,16 @@ CreateFileMappingW(HANDLE hFile,
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SecurityDescriptor = NULL;
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}
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MaximumSize.u.LowPart = dwMaximumSizeLow;
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MaximumSize.u.HighPart = dwMaximumSizeHigh;
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if ((dwMaximumSizeLow == 0) && (dwMaximumSizeHigh == 0))
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{
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MaximumSizePointer = NULL;
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}
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else
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{
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MaximumSize.u.LowPart = dwMaximumSizeLow;
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MaximumSize.u.HighPart = dwMaximumSizeHigh;
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MaximumSizePointer = &MaximumSize;
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}
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RtlInitUnicodeString(&UnicodeName,
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lpName);
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InitializeObjectAttributes(&ObjectAttributes,
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@ -107,7 +116,7 @@ CreateFileMappingW(HANDLE hFile,
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Status = NtCreateSection(&SectionHandle,
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SECTION_ALL_ACCESS,
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&ObjectAttributes,
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&MaximumSize,
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MaximumSizePointer,
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flProtect,
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0,
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hFile);
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@ -1,4 +1,4 @@
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/* $Id: pin.c,v 1.8 2002/10/02 19:23:42 hbirr Exp $
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/* $Id: pin.c,v 1.9 2002/12/15 17:01:52 chorns Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -57,7 +57,8 @@ CcMapData (IN PFILE_OBJECT FileObject,
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ReadOffset = FileOffset->QuadPart;
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Bcb = ((REACTOS_COMMON_FCB_HEADER*)FileObject->FsContext)->Bcb;
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assert(Bcb);
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DPRINT("AllocationSize %d, FileSize %d\n",
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(ULONG)Bcb->AllocationSize.QuadPart,
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(ULONG)Bcb->FileSize.QuadPart);
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: view.c,v 1.53 2002/10/02 19:20:51 hbirr Exp $
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/* $Id: view.c,v 1.54 2002/12/15 17:01:52 chorns Exp $
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*
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/cc/view.c
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@ -227,6 +227,8 @@ CcRosReleaseCacheSegment(PBCB Bcb,
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BOOLEAN WasDirty = CacheSeg->Dirty;
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KIRQL oldIrql;
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assert(Bcb);
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DPRINT("CcReleaseCacheSegment(Bcb %x, CacheSeg %x, Valid %d)\n",
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Bcb, CacheSeg, Valid);
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@ -268,6 +270,8 @@ PCACHE_SEGMENT CcRosLookupCacheSegment(PBCB Bcb, ULONG FileOffset)
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PCACHE_SEGMENT current;
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KIRQL oldIrql;
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assert(Bcb);
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DPRINT("CcRosLookupCacheSegment(Bcb %x, FileOffset %d)\n", Bcb, FileOffset);
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KeAcquireSpinLock(&Bcb->BcbLock, &oldIrql);
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@ -295,6 +299,8 @@ CcRosMarkDirtyCacheSegment(PBCB Bcb, ULONG FileOffset)
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PCACHE_SEGMENT CacheSeg;
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KIRQL oldIrql;
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assert(Bcb);
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DPRINT("CcRosMarkDirtyCacheSegment(Bcb %x, FileOffset %d)\n", Bcb, FileOffset);
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CacheSeg = CcRosLookupCacheSegment(Bcb, FileOffset);
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@ -330,6 +336,8 @@ CcRosUnmapCacheSegment(PBCB Bcb, ULONG FileOffset, BOOLEAN NowDirty)
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BOOLEAN WasDirty;
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KIRQL oldIrql;
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assert(Bcb);
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DPRINT("CcRosUnmapCacheSegment(Bcb %x, FileOffset %d, NowDirty %d)\n",
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Bcb, FileOffset, NowDirty);
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@ -380,6 +388,8 @@ CcRosCreateCacheSegment(PBCB Bcb,
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NTSTATUS Status;
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KIRQL oldIrql;
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assert(Bcb);
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DPRINT("CcRosCreateCacheSegment()\n");
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current = ExAllocatePoolWithTag(NonPagedPool, sizeof(CACHE_SEGMENT),
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@ -487,6 +497,8 @@ CcRosGetCacheSegmentChain(PBCB Bcb,
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PCACHE_SEGMENT* CacheSegList;
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PCACHE_SEGMENT Previous = NULL;
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assert(Bcb);
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DPRINT("CcRosGetCacheSegmentChain()\n");
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Length = ROUND_UP(Length, Bcb->CacheSegmentSize);
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@ -542,6 +554,8 @@ CcRosGetCacheSegment(PBCB Bcb,
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PCACHE_SEGMENT current;
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NTSTATUS Status;
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assert(Bcb);
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DPRINT("CcRosGetCacheSegment()\n");
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/*
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@ -582,6 +596,8 @@ CcRosRequestCacheSegment(PBCB Bcb,
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{
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ULONG BaseOffset;
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assert(Bcb);
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if ((FileOffset % Bcb->CacheSegmentSize) != 0)
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{
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CPRINT("Bad fileoffset %x should be multiple of %x",
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@ -634,6 +650,8 @@ CcRosFreeCacheSegment(PBCB Bcb, PCACHE_SEGMENT CacheSeg)
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NTSTATUS Status;
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KIRQL oldIrql;
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assert(Bcb);
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DPRINT("CcRosFreeCacheSegment(Bcb %x, CacheSeg %x)\n",
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Bcb, CacheSeg);
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@ -671,6 +689,7 @@ CcFlushCache(IN PSECTION_OBJECT_POINTERS SectionObjectPointers,
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if (SectionObjectPointers && SectionObjectPointers->SharedCacheMap)
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{
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Bcb = (PBCB)SectionObjectPointers->SharedCacheMap;
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assert(Bcb);
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if (FileOffset)
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{
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Offset = *FileOffset;
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@ -739,6 +758,8 @@ CcRosDeleteFileCache(PFILE_OBJECT FileObject, PBCB Bcb)
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LIST_ENTRY FreeList;
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KIRQL oldIrql;
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assert(Bcb);
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DPRINT("CcRosDeleteFileCache(FileObject %x, Bcb %x)\n",
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Bcb->FileObject, Bcb);
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@ -792,6 +813,7 @@ VOID CcRosReferenceCache(PFILE_OBJECT FileObject)
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PBCB Bcb;
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ExAcquireFastMutex(&ViewLock);
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Bcb = (PBCB)FileObject->SectionObjectPointers->SharedCacheMap;
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assert(Bcb);
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Bcb->RefCount++;
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ExReleaseFastMutex(&ViewLock);
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}
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@ -801,6 +823,7 @@ VOID CcRosDereferenceCache(PFILE_OBJECT FileObject)
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PBCB Bcb;
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ExAcquireFastMutex(&ViewLock);
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Bcb = (PBCB)FileObject->SectionObjectPointers->SharedCacheMap;
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assert(Bcb);
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Bcb->RefCount--;
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if (Bcb->RefCount == 0)
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{
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@ -816,6 +839,8 @@ CcRosReleaseFileCache(PFILE_OBJECT FileObject, PBCB Bcb)
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* has been closed.
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*/
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{
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assert(Bcb);
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ExAcquireFastMutex(&ViewLock);
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if (FileObject->SectionObjectPointers->SharedCacheMap != NULL)
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@ -889,6 +914,7 @@ CcGetFileObjectFromSectionPtrs(IN PSECTION_OBJECT_POINTERS SectionObjectPointers
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if (SectionObjectPointers && SectionObjectPointers->SharedCacheMap)
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{
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Bcb = (PBCB)SectionObjectPointers->SharedCacheMap;
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assert(Bcb);
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return Bcb->FileObject;
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}
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return NULL;
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: section.c,v 1.101 2002/11/10 18:17:42 chorns Exp $
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/* $Id: section.c,v 1.102 2002/12/15 17:01:52 chorns Exp $
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*
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/mm/section.c
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@ -329,6 +329,8 @@ MiReadPage(PMEMORY_AREA MemoryArea,
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FileObject = MemoryArea->Data.SectionData.Section->FileObject;
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Fcb = (PREACTOS_COMMON_FCB_HEADER)FileObject->FsContext;
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assert(Fcb->Bcb);
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/*
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* If the file system is letting us go directly to the cache and the
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* memory area was mapped at an offset in the file which is page aligned
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@ -2044,6 +2046,9 @@ MmCreateDataFileSection(PHANDLE SectionHandle,
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PFILE_OBJECT FileObject;
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PMM_SECTION_SEGMENT Segment;
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ULONG FileAccess;
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IO_STATUS_BLOCK Iosb;
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LARGE_INTEGER Offset;
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CHAR Buffer;
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/*
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* Check the protection
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@ -2053,7 +2058,27 @@ MmCreateDataFileSection(PHANDLE SectionHandle,
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{
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return(STATUS_INVALID_PAGE_PROTECTION);
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}
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/*
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* Read a bit so caching is initiated for the file object.
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* This is only needed because MiReadPage currently cannot
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* handle non-cached streams.
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*/
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Offset.QuadPart = 0;
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Status = ZwReadFile(FileHandle,
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NULL,
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NULL,
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NULL,
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&Iosb,
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&Buffer,
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sizeof (Buffer),
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&Offset,
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0);
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if (!NT_SUCCESS(Status) && (Status != STATUS_END_OF_FILE))
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{
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return(Status);
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}
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/*
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* Create the section
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*/
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