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sys: eliminate multiple uses of FspFsvolFileRename locking

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This commit is contained in:
Bill Zissimopoulos
2016-03-04 15:08:42 -08:00
parent 342fd6a996
commit 4d3a169da6
3 changed files with 4 additions and 28 deletions
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19
src/sys/cleanup.c
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@ -30,8 +30,7 @@ FSP_DRIVER_DISPATCH FspCleanup;
enum
{
/* Cleanup */
RequestDeviceObject = 0,
RequestIrp = 1,
RequestIrp = 0,
};
typedef struct
@ -81,10 +80,7 @@ static NTSTATUS FspFsvolCleanup(
FspFileNodeCleanup(FileNode, FileObject, &DeletePending);
if (DeletePending)
{
FspFsvolDeviceFileRenameAcquireShared(FsvolDeviceObject);
FspFileNodeAcquireExclusive(FileNode, Full);
}
else
FspFileNodeAcquireShared(FileNode, Full);
@ -96,11 +92,6 @@ static NTSTATUS FspFsvolCleanup(
Request->Req.Cleanup.UserContext2 = FileDesc->UserContext2;
Request->Req.Cleanup.Delete = DeletePending;
if (DeletePending)
{
FspFsvolDeviceFileRenameSetOwner(FsvolDeviceObject, Request);
FspIopRequestContext(Request, RequestDeviceObject) = FsvolDeviceObject;
}
FspFileNodeSetOwner(FileNode, Full, Request);
FspIopRequestContext(Request, RequestIrp) = Irp;
@ -134,7 +125,6 @@ static VOID FspFsvolCleanupRequestFini(FSP_FSCTL_TRANSACT_REQ *Request, PVOID Co
PAGED_CODE();
PDEVICE_OBJECT FsvolDeviceObject = Context[RequestDeviceObject];
PIRP Irp = Context[RequestIrp];
PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
PFILE_OBJECT FileObject = IrpSp->FileObject;
@ -165,8 +155,6 @@ static VOID FspFsvolCleanupRequestFini(FSP_FSCTL_TRANSACT_REQ *Request, PVOID Co
if (DeletePending)
{
ASSERT(0 != FsvolDeviceObject);
/* FileNode is Exclusive Full; release Pgio */
FspFileNodeReleaseOwner(FileNode, Pgio, Request);
@ -174,8 +162,6 @@ static VOID FspFsvolCleanupRequestFini(FSP_FSCTL_TRANSACT_REQ *Request, PVOID Co
}
else
{
ASSERT(0 == FsvolDeviceObject);
/* FileNode is Shared Full; reacquire as Exclusive Main for CcUnitializeCacheMap */
FspFileNodeReleaseOwner(FileNode, Full, Request);
@ -208,9 +194,6 @@ static VOID FspFsvolCleanupRequestFini(FSP_FSCTL_TRANSACT_REQ *Request, PVOID Co
/* this works correctly even if owner is current thread */
FspFileNodeReleaseOwner(FileNode, Main, Request);
if (DeletePending)
FspFsvolDeviceFileRenameReleaseOwner(FsvolDeviceObject, Request);
}
static VOID FspFsvolCleanupUninitialize(PVOID Context)