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[UDFS] Fix async paging IO wait handling without boolean literals #73

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[UDFS] Fix async paging IO wait handling without boolean literals #73

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Copilot Feb 22, 2026
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UDFS: Fix paging IO wait handling without boolean literals in read.cp…
Copilot Feb 22, 2026
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9 changes: 9 additions & 0 deletions drivers/filesystems/udfs/read.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,15 @@ UDFCommonRead(
NonCachedIo = TRUE;
}

// If this is async paging io then check if we are being called by the mapped page writer.
// Convert it back to synchronous if not.

if (!Wait && PagingIo) {

SetFlag(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT);
Wait = BooleanFlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT);
}

_SEH2_TRY {

// Acquire the appropriate FCB resource shared
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2 changes: 1 addition & 1 deletion drivers/filesystems/udfs/write.cpp
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Expand Up @@ -132,8 +132,8 @@ UDFCommonWrite(

if (!Wait && PagingIo) {

Wait = TRUE;
SetFlag(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT);
Wait = BooleanFlagOn(IrpContext->Flags, IRP_CONTEXT_FLAG_WAIT);
}

StartingOffset = IrpSp->Parameters.Write.ByteOffset.QuadPart;
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