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10/16/2014
The following table shows the Filesys.exe IOCTLs. Implementing these IOCTLs is optional. Only Filesys.exe should call these IOCTLs.
Programming element |
Description |
|---|---|
This IOCTL queries the OAL about whether the registry hives and user profiles should be deleted and recreated. It is used by Filesys.exe. |
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This IOCTL specifies a region of RAM to hold the registry hive instead of using it as a memory-mapped file on a file system. |
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This IOCTL signals that the registry is active and that data from the OAL can now be propagated to the registry. It is called by Filesys.exe. |
|
This IOCTL indicates whether a specific partition should be formatted when it is mounted. |
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This IOCTL gives the OEM a chance to copy the registry RAM region to persistent storage while the registry is in a steady state. It is called by Filesys.exe when an application calls RegSaveKey, if the registry hive is stored in a region of RAM specified by the OEM. |