Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-01 17:03:00 +00:00
Code Issues Projects Releases Packages Wiki Activity

[NTFS] Use LookasideList allocations for FILE_RECORD_HEADER.

Browse source 
TODO: use a specific tag

This, and previous commit, should speed up a bit the driver until caching gets implemented
This commit is contained in:
Pierre Schweitzer 2017-12-31 14:14:24 +01:00
parent 3ddf44ff10
commit 216a2cae73
No known key found for this signature in database
GPG key ID: 7545556C3D585B0B
10 changed files with 156 additions and 170 deletions
Download patch file Download diff file Expand all files Collapse all files

28
drivers/filesystems/ntfs/rw.c
View file

@ -79,7 +79,7 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
return STATUS_NOT_IMPLEMENTED;
}
FileRecord = ExAllocatePoolWithTag(NonPagedPool, DeviceExt->NtfsInfo.BytesPerFileRecord, TAG_NTFS);
FileRecord = ExAllocateFromNPagedLookasideList(&DeviceExt->FileRecLookasideList);
if (FileRecord == NULL)
{
DPRINT1("Not enough memory!\n");
@ -90,7 +90,7 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
if (!NT_SUCCESS(Status))
{
DPRINT1("Can't find record!\n");
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
return Status;
}
@ -122,7 +122,7 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
FindCloseAttribute(&Context);
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
return Status;
}
@ -131,7 +131,7 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
{
DPRINT1("Reading beyond stream end!\n");
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
return STATUS_END_OF_FILE;
}
@ -159,7 +159,7 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
{
DPRINT1("Not enough memory!\n");
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
return STATUS_INSUFFICIENT_RESOURCES;
}
AllocatedBuffer = TRUE;
@ -171,7 +171,7 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
{
DPRINT1("Read failure!\n");
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
if (AllocatedBuffer)
{
ExFreePoolWithTag(ReadBuffer, TAG_NTFS);
@ -180,7 +180,7 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
}
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
*LengthRead = ToRead;
@ -355,7 +355,7 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
}
// allocate non-paged memory for the FILE_RECORD_HEADER
FileRecord = ExAllocatePoolWithTag(NonPagedPool, DeviceExt->NtfsInfo.BytesPerFileRecord, TAG_NTFS);
FileRecord = ExAllocateFromNPagedLookasideList(&DeviceExt->FileRecLookasideList);
if (FileRecord == NULL)
{
DPRINT1("Not enough memory! Can't write %wS!\n", Fcb->PathName);
@ -369,7 +369,7 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
{
// We couldn't get the file's record. Free the memory and return the error
DPRINT1("Can't find record for %wS!\n", Fcb->ObjectName);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
return Status;
}
@ -408,7 +408,7 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
FindCloseAttribute(&Context);
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
return Status;
}
@ -437,7 +437,7 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
if (!NT_SUCCESS(Status))
{
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
*LengthWritten = 0;
return Status;
}
@ -469,7 +469,7 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
{
// TODO - just fail for now
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
*LengthWritten = 0;
return STATUS_ACCESS_DENIED;
}
@ -485,7 +485,7 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
{
DPRINT1("Write failure!\n");
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
return Status;
}
@ -499,7 +499,7 @@ NTSTATUS NtfsWriteFile(PDEVICE_EXTENSION DeviceExt,
}
ReleaseAttributeContext(DataContext);
ExFreePoolWithTag(FileRecord, TAG_NTFS);
ExFreeToNPagedLookasideList(&DeviceExt->FileRecLookasideList, FileRecord);
return Status;
}