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sys: IRP_MJ_FLUSH_BUFFERS: flush volume implementation

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This commit is contained in:
Bill Zissimopoulos
2016-04-04 14:33:23 -07:00
parent 71c1469b46
commit 83c59a6f37
4 changed files with 173 additions and 37 deletions
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37
src/sys/file.c
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@ -6,6 +6,9 @@
#include <sys/driver.h>
NTSTATUS FspFileNodeCopyList(PDEVICE_OBJECT DeviceObject,
FSP_FILE_NODE ***PFileNodes, PULONG PFileNodeCount);
VOID FspFileNodeDeleteList(FSP_FILE_NODE **FileNodes, ULONG FileNodeCount);
NTSTATUS FspFileNodeCreate(PDEVICE_OBJECT DeviceObject,
ULONG ExtraSize, FSP_FILE_NODE **PFileNode);
VOID FspFileNodeDelete(FSP_FILE_NODE *FileNode);
@ -51,6 +54,8 @@ NTSTATUS FspFileDescResetDirectoryPattern(FSP_FILE_DESC *FileDesc,
PUNICODE_STRING FileName, BOOLEAN Reset);
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE, FspFileNodeCopyList)
#pragma alloc_text(PAGE, FspFileNodeDeleteList)
#pragma alloc_text(PAGE, FspFileNodeCreate)
#pragma alloc_text(PAGE, FspFileNodeDelete)
#pragma alloc_text(PAGE, FspFileNodeAcquireSharedF)
@ -102,6 +107,38 @@ NTSTATUS FspFileDescResetDirectoryPattern(FSP_FILE_DESC *FileDesc,
if (IrpValid) \
FspIrpSetFlags(Irp, FspIrpFlags(Irp) & (~Flags & 3))
NTSTATUS FspFileNodeCopyList(PDEVICE_OBJECT DeviceObject,
FSP_FILE_NODE ***PFileNodes, PULONG PFileNodeCount)
{
PAGED_CODE();
NTSTATUS Result;
ULONG Index;
FspFsvolDeviceLockContextTable(DeviceObject);
Result = FspFsvolDeviceCopyContextByNameList(DeviceObject, PFileNodes, PFileNodeCount);
if (NT_SUCCESS(Result))
{
for (Index = 0; *PFileNodeCount > Index; Index++)
FspFileNodeReference((*PFileNodes)[Index]);
}
FspFsvolDeviceUnlockContextTable(DeviceObject);
return Result;
}
VOID FspFileNodeDeleteList(FSP_FILE_NODE **FileNodes, ULONG FileNodeCount)
{
PAGED_CODE();
ULONG Index;
for (Index = 0; FileNodeCount > Index; Index++)
FspFileNodeDereference(FileNodes[Index]);
FspFsvolDeviceDeleteContextByNameList(FileNodes, FileNodeCount);
}
NTSTATUS FspFileNodeCreate(PDEVICE_OBJECT DeviceObject,
ULONG ExtraSize, FSP_FILE_NODE **PFileNode)
{