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[CDFS_NEW] Replace old driver with a Ms-PL licensed version straight out of the driver samples github repository.

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This commit is contained in:
David Quintana 2017-11-23 21:02:16 +01:00 • committed by Pierre Schweitzer
parent 87d276f05d
commit fd34548263
38 changed files with 5298 additions and 2802 deletions
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64
drivers/filesystems/cdfs_new/cleanup.c
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@ -14,7 +14,7 @@ Abstract:
--*/
#include "cdprocs.h"
#include "CdProcs.h"
//
// The Bug check file id for this module
@ -22,11 +22,11 @@ Abstract:
#define BugCheckFileId (CDFS_BUG_CHECK_CLEANUP)
_Requires_lock_held_(_Global_critical_region_)
NTSTATUS
CdCommonCleanup (
IN PIRP_CONTEXT IrpContext,
IN PIRP Irp
_Inout_ PIRP_CONTEXT IrpContext,
_Inout_ PIRP Irp
)
/*++
@ -82,7 +82,7 @@ Return Value:
TYPE_OF_OPEN TypeOfOpen;
BOOLEAN SendUnlockNotification = FALSE;
BOOLEAN AttemptTeardown;
BOOLEAN AttemptTeardown = FALSE;
BOOLEAN VcbAcquired = FALSE;
PVCB Vcb;
@ -148,7 +148,38 @@ Return Value:
SetFlag( FileObject->Flags, FO_CLEANUP_COMPLETE );
CdReleaseFile( IrpContext, Fcb);
if (TypeOfOpen == UserVolumeOpen) {
//
// For a force dismount, physically disconnect this Vcb from the device so
// a new mount can occur. Vcb deletion cannot happen at this time since
// there is a reference on it associated with this very request, but we'll
// call check for dismount again later after we process this close.
//
if (FlagOn( Ccb->Flags, CCB_FLAG_DISMOUNT_ON_CLOSE )) {
CdAcquireCdData( IrpContext );
CdCheckForDismount( IrpContext, Vcb, TRUE );
CdReleaseCdData( IrpContext );
//
// If this handle actually wrote something, flush the device buffers,
// and then set the verify bit now just to be safe (in case there is no
// dismount).
//
} else if (FlagOn( FileObject->Flags, FO_FILE_MODIFIED )) {
CdHijackIrpAndFlushDevice( IrpContext, Irp, Vcb->TargetDeviceObject );
CdMarkDevForVerifyIfVcbMounted( Vcb );
}
}
//
// Acquire the current file.
//
@ -159,7 +190,7 @@ Return Value:
// Use a try-finally to facilitate cleanup.
//
_SEH2_TRY {
try {
//
// Case on the type of open that we are trying to cleanup.
@ -187,7 +218,7 @@ Return Value:
// need to check for STATUS_PENDING.
//
FsRtlCheckOplock( &Fcb->Oplock,
FsRtlCheckOplock( CdGetFcbOplock(Fcb),
Irp,
IrpContext,
NULL,
@ -221,12 +252,13 @@ Return Value:
break;
case UserVolumeOpen :
case UserVolumeOpen:
break;
default :
#pragma prefast( suppress:__WARNING_USE_OTHER_FUNCTION, "argument bogus" )
CdBugCheck( TypeOfOpen, 0, 0 );
}
@ -257,7 +289,7 @@ Return Value:
if (FileObject == Vcb->VolumeLockFileObject) {
ASSERT( FlagOn( Vcb->VcbState, VCB_STATE_LOCKED));
NT_ASSERT( FlagOn( Vcb->VcbState, VCB_STATE_LOCKED));
IoAcquireVpbSpinLock( &SavedIrql );
@ -279,15 +311,15 @@ Return Value:
IoRemoveShareAccess( FileObject, &Fcb->ShareAccess );
} _SEH2_FINALLY {
} finally {
CdReleaseFcb( IrpContext, Fcb );
CdReleaseFcb( IrpContext, Fcb );
if (SendUnlockNotification) {
FsRtlNotifyVolumeEvent( FileObject, FSRTL_VOLUME_UNLOCK );
}
} _SEH2_END;
}
//
// If appropriate, try to spark teardown by purging the volume. Should
@ -305,19 +337,19 @@ Return Value:
CdAcquireCdData( IrpContext);
_SEH2_TRY {
try {
CdAcquireVcbExclusive( IrpContext, Vcb, FALSE );
VcbAcquired = TRUE;
CdPurgeVolume( IrpContext, Vcb, FALSE );
} _SEH2_FINALLY {
} finally {
if (VcbAcquired) { CdReleaseVcb( IrpContext, Vcb ); }
CdReleaseCdData( IrpContext);
} _SEH2_END;
}
}
//