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sys: file, callbacks: acquire MainFileNode resources if exists

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This commit is contained in:
Bill Zissimopoulos 2016-10-03 14:21:34 -07:00
parent 87b2d4ca4c
commit 016d015fe6
2 changed files with 27 additions and 1 deletions
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4
src/sys/callbacks.c
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@ -116,7 +116,9 @@ NTSTATUS FspAcquireForModWrite(
Success = FspFileNodeTryAcquireExclusiveF(FileNode, FspFileNodeAcquireFull, FALSE);
if (Success)
{
*ResourceToRelease = FileNode->Header.PagingIoResource;
*ResourceToRelease = 0 == FileNode->MainFileNode ?
FileNode->Header.PagingIoResource :
FileNode->MainFileNode->Header.PagingIoResource;
Result = STATUS_SUCCESS;
}
else

24
src/sys/file.c
View File

@ -240,6 +240,9 @@ VOID FspFileNodeAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags)
{
PAGED_CODE();
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
FSP_FILE_NODE_GET_FLAGS();
FSP_FILE_NODE_ASSERT_FLAGS_CLR();
@ -256,6 +259,9 @@ BOOLEAN FspFileNodeTryAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags, BOOLE
{
PAGED_CODE();
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
FSP_FILE_NODE_GET_FLAGS();
FSP_FILE_NODE_ASSERT_FLAGS_CLR();
@ -289,6 +295,9 @@ VOID FspFileNodeAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags)
{
PAGED_CODE();
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
FSP_FILE_NODE_GET_FLAGS();
FSP_FILE_NODE_ASSERT_FLAGS_CLR();
@ -305,6 +314,9 @@ BOOLEAN FspFileNodeTryAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags, BO
{
PAGED_CODE();
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
FSP_FILE_NODE_GET_FLAGS();
FSP_FILE_NODE_ASSERT_FLAGS_CLR();
@ -338,6 +350,9 @@ VOID FspFileNodeConvertExclusiveToSharedF(FSP_FILE_NODE *FileNode, ULONG Flags)
{
PAGED_CODE();
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
FSP_FILE_NODE_GET_FLAGS();
if (Flags & FspFileNodeAcquirePgio)
@ -351,6 +366,9 @@ VOID FspFileNodeSetOwnerF(FSP_FILE_NODE *FileNode, ULONG Flags, PVOID Owner)
{
PAGED_CODE();
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
FSP_FILE_NODE_GET_FLAGS();
Owner = (PVOID)((UINT_PTR)Owner | 3);
@ -366,6 +384,9 @@ VOID FspFileNodeReleaseF(FSP_FILE_NODE *FileNode, ULONG Flags)
{
PAGED_CODE();
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
FSP_FILE_NODE_GET_FLAGS();
FSP_FILE_NODE_ASSERT_FLAGS_SET();
@ -382,6 +403,9 @@ VOID FspFileNodeReleaseOwnerF(FSP_FILE_NODE *FileNode, ULONG Flags, PVOID Owner)
{
PAGED_CODE();
if (0 != FileNode->MainFileNode)
FileNode = FileNode->MainFileNode;
FSP_FILE_NODE_GET_FLAGS();
FSP_FILE_NODE_ASSERT_FLAGS_SET();