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sys: implement FastIo operations

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FspFastIoQueryOpen
This commit is contained in:
Bill Zissimopoulos
2018-09-07 16:01:40 -07:00
parent 0d849ffcc8
commit 3a286324ff
4 changed files with 101 additions and 33 deletions
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29
src/sys/file.c
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@ -61,6 +61,8 @@ NTSTATUS FspFileNodeRenameCheck(PDEVICE_OBJECT FsvolDeviceObject, PIRP OplockIrp
VOID FspFileNodeRename(FSP_FILE_NODE *FileNode, PUNICODE_STRING NewFileName);
VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
BOOLEAN FspFileNodeTryGetFileInfoByName(PDEVICE_OBJECT FsvolDeviceObject,
PUNICODE_STRING FileName, FSP_FSCTL_FILE_INFO *FileInfo);
VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, BOOLEAN TruncateOnClose);
BOOLEAN FspFileNodeTrySetFileInfoOnOpen(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
@ -136,6 +138,7 @@ VOID FspFileNodeOplockComplete(PVOID Context, PIRP Irp);
#pragma alloc_text(PAGE, FspFileNodeRename)
#pragma alloc_text(PAGE, FspFileNodeGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTryGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTryGetFileInfoByName)
#pragma alloc_text(PAGE, FspFileNodeSetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTrySetFileInfoOnOpen)
#pragma alloc_text(PAGE, FspFileNodeTrySetFileInfo)
@ -1640,6 +1643,32 @@ BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *
return TRUE;
}
BOOLEAN FspFileNodeTryGetFileInfoByName(PDEVICE_OBJECT FsvolDeviceObject,
PUNICODE_STRING FileName, FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
FSP_FILE_NODE *FileNode;
BOOLEAN Result;
FspFsvolDeviceLockContextTable(FsvolDeviceObject);
FileNode = FspFsvolDeviceLookupContextByName(FsvolDeviceObject, FileName);
if (0 != FileNode)
FspFileNodeReference(FileNode);
FspFsvolDeviceUnlockContextTable(FsvolDeviceObject);
Result = FALSE;
if (0 != FileNode)
{
FspFileNodeAcquireShared(FileNode, Main);
Result = FspFileNodeTryGetFileInfo(FileNode, FileInfo);
FspFileNodeRelease(FileNode, Main);
FspFileNodeDereference(FileNode);
}
return Result;
}
VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, PFILE_OBJECT CcFileObject,
const FSP_FSCTL_FILE_INFO *FileInfo, BOOLEAN TruncateOnClose)
{