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sys: IRP_MJ_LOCK_CONTROL

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This commit is contained in:
Bill Zissimopoulos
2016-04-06 16:35:25 -07:00
parent 66dbfb24ff
commit b6e824b6ae
3 changed files with 47 additions and 32 deletions
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27
src/sys/file.c
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@ -48,8 +48,7 @@ BOOLEAN FspFileNodeTrySetDirInfo(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG S
static VOID FspFileNodeInvalidateDirInfo(FSP_FILE_NODE *FileNode);
VOID FspFileNodeNotifyChange(FSP_FILE_NODE *FileNode,
ULONG Filter, ULONG Action);
NTSTATUS FspFileNodeProcessLockIrp(FSP_FILE_NODE *FileNode, PIRP Irp,
PBOOLEAN PIrpRelinquished);
NTSTATUS FspFileNodeProcessLockIrp(FSP_FILE_NODE *FileNode, PIRP Irp);
static NTSTATUS FspFileNodeCompleteLockIrp(PVOID Context, PIRP Irp);
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
@ -88,6 +87,7 @@ NTSTATUS FspFileDescResetDirectoryPattern(FSP_FILE_DESC *FileDesc,
// !#pragma alloc_text(PAGE, FspFileNodeTrySetDirInfo)
// !#pragma alloc_text(PAGE, FspFileNodeInvalidateDirInfo)
#pragma alloc_text(PAGE, FspFileNodeNotifyChange)
#pragma alloc_text(PAGE, FspFileNodeProcessLockIrp)
#pragma alloc_text(PAGE, FspFileNodeCompleteLockIrp)
#pragma alloc_text(PAGE, FspFileDescCreate)
#pragma alloc_text(PAGE, FspFileDescDelete)
@ -940,29 +940,26 @@ VOID FspFileNodeNotifyChange(FSP_FILE_NODE *FileNode,
0, Filter, Action);
}
NTSTATUS FspFileNodeProcessLockIrp(FSP_FILE_NODE *FileNode, PIRP Irp,
PBOOLEAN PIrpRelinquished)
NTSTATUS FspFileNodeProcessLockIrp(FSP_FILE_NODE *FileNode, PIRP Irp)
{
PAGED_CODE();
NTSTATUS Result;
FspFileNodeAcquireShared(FileNode, Main);
FspFileNodeSetOwner(FileNode, Main, Irp);
IoMarkIrpPending(Irp);
FspFileNodeSetOwnerF(FileNode, FspIrpFlags(Irp), Irp);
try
{
Result = FsRtlProcessFileLock(&FileNode->FileLock, Irp, FileNode);
*PIrpRelinquished = TRUE;
FsRtlProcessFileLock(&FileNode->FileLock, Irp, FileNode);
}
except (EXCEPTION_EXECUTE_HANDLER)
{
FspFileNodeReleaseOwner(FileNode, Main, Irp);
Result = GetExceptionCode();
*PIrpRelinquished = FALSE;
Irp->IoStatus.Status = GetExceptionCode();
Irp->IoStatus.Information = 0;
FspFileNodeCompleteLockIrp(FileNode, Irp);
}
return Result;
return STATUS_PENDING;
}
static NTSTATUS FspFileNodeCompleteLockIrp(PVOID Context, PIRP Irp)
@ -972,7 +969,7 @@ static NTSTATUS FspFileNodeCompleteLockIrp(PVOID Context, PIRP Irp)
FSP_FILE_NODE *FileNode = Context;
NTSTATUS Result = Irp->IoStatus.Status;
FspFileNodeReleaseOwner(FileNode, Main, Irp);
FspFileNodeReleaseOwnerF(FileNode, FspIrpFlags(Irp), Irp);
DEBUGLOGIRP(Irp, Result);