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[NTFS]

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Use non-paged lookaside list for IRP context allocation

svn path=/trunk/; revision=67883
This commit is contained in:
Pierre Schweitzer
2015-05-24 15:26:15 +00:00
parent 6c9074c225
commit 4c9b6600ea
4 changed files with 7 additions and 4 deletions
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reactos/drivers/filesystems/ntfs/dispatch.c
+1 -1
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@@ -117,7 +117,7 @@ NtfsDispatch(PNTFS_IRP_CONTEXT IrpContext)
}
else
{
ExFreePoolWithTag(IrpContext, 'PRIN');
ExFreeToNPagedLookasideList(&NtfsGlobalData->IrpContextLookasideList, IrpContext);
}
IoSetTopLevelIrp(NULL);
reactos/drivers/filesystems/ntfs/misc.c
+1 -3
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@@ -70,9 +70,7 @@ NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
TRACE_(NTFS, "NtfsAllocateIrpContext()\n");
IrpContext = (PNTFS_IRP_CONTEXT)ExAllocatePoolWithTag(NonPagedPool,
sizeof(NTFS_IRP_CONTEXT),
'PRIN');
IrpContext = (PNTFS_IRP_CONTEXT)ExAllocateFromNPagedLookasideList(&NtfsGlobalData->IrpContextLookasideList);
if (IrpContext == NULL)
return NULL;
reactos/drivers/filesystems/ntfs/ntfs.c
+4
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@@ -96,6 +96,10 @@ DriverEntry(PDRIVER_OBJECT DriverObject,
NtfsGlobalData->FastIoDispatch.FastIoWrite = NtfsFastIoWrite;
DriverObject->FastIoDispatch = &NtfsGlobalData->FastIoDispatch;
/* Initialize lookaside list for IRP contexts */
ExInitializeNPagedLookasideList(&NtfsGlobalData->IrpContextLookasideList,
NULL, NULL, 0, sizeof(NTFS_IRP_CONTEXT), 'PRIN', 0);
/* Driver can't be unloaded */
DriverObject->DriverUnload = NULL;
reactos/drivers/filesystems/ntfs/ntfs.h
+1
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@@ -137,6 +137,7 @@ typedef struct
CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
ULONG Flags;
FAST_IO_DISPATCH FastIoDispatch;
NPAGED_LOOKASIDE_LIST IrpContextLookasideList;
} NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;