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authorBarry Golden <[email protected]>2019-09-16 14:04:28 -0700
committerGitHub <[email protected]>2019-09-16 14:04:28 -0700
commitf064dfb2d92ac3f1f4344d435e4690e4339b5025 (patch)
treea807973e6c0bd9e2c92b3b8cf7ecb5f9e63c28d2 /filesys/miniFilter/swapBuffers
parentdb43355fe49c4bec3dbb5f84c271e15dc914ce72 (diff)
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@@ -8,16 +8,6 @@ products:
- windows-wdk
---
-
-<!---
- name: SwapBuffer File System Minifilter Driver
- platform: WDM
- language: cpp
- category: FileSystem
- description: Demonstrates how to switch buffers between reads and writes of data. This technique is particularly useful for encryption filters.
- samplefwlink: http://go.microsoft.com/fwlink/p/?LinkId=617657
---->
-
# SwapBuffer File System Minifilter Driver
The SwapBuffers minifilter demonstrates how to switch buffers between reads and writes of data. This technique is particularly useful for encryption filters because they have to encrypt data before writing it to disk and decrypt it after reading it from disk. Because encryption/decryption has to be done transparently, you cannot use system-supplied buffers directly, so intermediate buffers have to be introduced.
@@ -30,4 +20,4 @@ This sample builds a Universal Windows Driver. It uses only APIs and DDIs that a
The *SwapBuffers* minifilter introduces a new buffer before a read/write or directory control operations. The corresponding operation is then performed on the new buffer instead of the buffer that was originally provided. After the operation completes, the contents of the new buffer are copied back in to the original buffer.
-For more information on file system minifilter design, start with the [File System Minifilter Drivers](http://msdn.microsoft.com/en-us/library/windows/hardware/ff540402) section in the Installable File Systems Design Guide.
+For more information on file system minifilter design, start with the [File System Minifilter Drivers](https://docs.microsoft.com/windows-hardware/drivers/ifs/file-system-minifilter-drivers) section in the Installable File Systems Design Guide.