diff --git a/src/sys/create.c b/src/sys/create.c
index 44ffa442..42549f12 100644
--- a/src/sys/create.c
+++ b/src/sys/create.c
@@ -374,7 +374,7 @@ NTSTATUS FspFsvolCreatePrepare(
         FileObject = FspIopRequestContext(Request, RequestFileObject);
 
         /* lock the FileNode for Paging IO */
-        Success = FspFileNodePgioLockExclusive(FileNode, FALSE);
+        Success = FspFileNodePgioTryAcquireExclusive(FileNode);
         if (!Success)
         {
             /* repost the IRP to retry later */
@@ -392,7 +392,7 @@ NTSTATUS FspFsvolCreatePrepare(
         Success = MmCanFileBeTruncated(&FileNode->NonPaged->SectionObjectPointers, &Zero);
         if (!Success)
         {
-            FspFileNodePgioUnlock(FileNode);
+            FspFileNodePgioRelease(FileNode);
 
             FspFsvolCreatePostClose(FileNode, (UINT_PTR)FileObject->FsContext2);
             FspFileNodeClose(FileNode, FileObject, 0);
@@ -612,7 +612,7 @@ VOID FspFsvolCreateComplete(
         /* did the user-mode file system sent us a failure code? */
         if (!NT_SUCCESS(Response->IoStatus.Status))
         {
-            FspFileNodePgioUnlock(FileNode);
+            FspFileNodePgioRelease(FileNode);
 
             FspFileNodeClose(FileNode, FileObject, 0);
 
@@ -626,7 +626,7 @@ VOID FspFsvolCreateComplete(
         FileNode->Header.FileSize.QuadPart = Response->Rsp.Overwrite.FileSize;
         CcSetFileSizes(FileObject, (PCC_FILE_SIZES)&FileNode->Header.AllocationSize);
 
-        FspFileNodePgioUnlock(FileNode);
+        FspFileNodePgioRelease(FileNode);
 
         /* SUCCESS! */
         FspIopRequestContext(Request, RequestFileNode) = 0;
diff --git a/src/sys/driver.h b/src/sys/driver.h
index 3ae214df..63dcab26 100644
--- a/src/sys/driver.h
+++ b/src/sys/driver.h
@@ -561,32 +561,52 @@ VOID FspFileNodeDereference(FSP_FILE_NODE *FileNode)
         FspFileNodeDelete(FileNode);
 }
 static inline
-BOOLEAN FspFileNodeLockShared(FSP_FILE_NODE *FileNode, BOOLEAN Wait)
+VOID FspFileNodeAcquireShared(FSP_FILE_NODE *FileNode)
 {
-    return ExAcquireResourceSharedLite(FileNode->Header.Resource, Wait);
+    ExAcquireResourceSharedLite(FileNode->Header.Resource, TRUE);
 }
 static inline
-BOOLEAN FspFileNodeLockExclusive(FSP_FILE_NODE *FileNode, BOOLEAN Wait)
+BOOLEAN FspFileNodeTryAcquireShared(FSP_FILE_NODE *FileNode)
 {
-    return ExAcquireResourceExclusiveLite(FileNode->Header.Resource, Wait);
+    return ExAcquireResourceSharedLite(FileNode->Header.Resource, FALSE);
 }
 static inline
-VOID FspFileNodeUnlock(FSP_FILE_NODE *FileNode)
+VOID FspFileNodeAcquireExclusive(FSP_FILE_NODE *FileNode)
+{
+    ExAcquireResourceExclusiveLite(FileNode->Header.Resource, TRUE);
+}
+static inline
+BOOLEAN FspFileNodeTryAcquireExclusive(FSP_FILE_NODE *FileNode)
+{
+    return ExAcquireResourceExclusiveLite(FileNode->Header.Resource, FALSE);
+}
+static inline
+VOID FspFileNodeRelease(FSP_FILE_NODE *FileNode)
 {
     ExReleaseResourceLite(FileNode->Header.Resource);
 }
 static inline
-BOOLEAN FspFileNodePgioLockShared(FSP_FILE_NODE *FileNode, BOOLEAN Wait)
+VOID FspFileNodePgioAcquireShared(FSP_FILE_NODE *FileNode)
 {
-    return ExAcquireResourceSharedLite(FileNode->Header.PagingIoResource, Wait);
+    ExAcquireResourceSharedLite(FileNode->Header.PagingIoResource, TRUE);
 }
 static inline
-BOOLEAN FspFileNodePgioLockExclusive(FSP_FILE_NODE *FileNode, BOOLEAN Wait)
+BOOLEAN FspFileNodePgioTryAcquireShared(FSP_FILE_NODE *FileNode)
 {
-    return ExAcquireResourceExclusiveLite(FileNode->Header.PagingIoResource, Wait);
+    return ExAcquireResourceSharedLite(FileNode->Header.PagingIoResource, FALSE);
 }
 static inline
-VOID FspFileNodePgioUnlock(FSP_FILE_NODE *FileNode)
+VOID FspFileNodePgioAcquireExclusive(FSP_FILE_NODE *FileNode)
+{
+    ExAcquireResourceExclusiveLite(FileNode->Header.PagingIoResource, TRUE);
+}
+static inline
+BOOLEAN FspFileNodePgioTryAcquireExclusive(FSP_FILE_NODE *FileNode)
+{
+    return ExAcquireResourceExclusiveLite(FileNode->Header.PagingIoResource, FALSE);
+}
+static inline
+VOID FspFileNodePgioRelease(FSP_FILE_NODE *FileNode)
 {
     ExReleaseResourceLite(FileNode->Header.PagingIoResource);
 }