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- Implement a helper for updating IO transfer counters. Based on a patch by Dmitry Chapyshev.

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svn path=/trunk/; revision=41358
This commit is contained in:
Aleksey Bragin 2009-06-09 16:17:34 +00:00
parent de4dace673
commit 37fdc19299
1 changed files with 38 additions and 0 deletions
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38
reactos/ntoskrnl/include/internal/io_x.h
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@ -89,6 +89,44 @@ IopUpdateOperationCount(IN IOP_TRANSFER_TYPE Type)
}
}
static
__inline
VOID
IopUpdateTransferCount(IN IOP_TRANSFER_TYPE Type, IN ULONG TransferCount)
{
PLARGE_INTEGER CountToChange;
PLARGE_INTEGER TransferToChange;
/* Make sure I/O operations are being counted */
if (IoCountOperations)
{
if (Type == IopReadTransfer)
{
/* Increase read count */
CountToChange = &PsGetCurrentProcess()->ReadTransferCount;
TransferToChange = &IoReadTransferCount;
}
else if (Type == IopWriteTransfer)
{
/* Increase write count */
CountToChange = &PsGetCurrentProcess()->WriteTransferCount;
TransferToChange = &IoWriteTransferCount;
}
else
{
/* Increase other count */
CountToChange = &PsGetCurrentProcess()->OtherTransferCount;
TransferToChange = &IoOtherTransferCount;
}
/* Increase the process-wide count */
ExInterlockedAddLargeStatistic(CountToChange, TransferCount);
/* Increase global count */
ExInterlockedAddLargeStatistic(TransferToChange, TransferCount);
}
}
static
__inline
BOOLEAN