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Can IO request be submitted to specific storage driver?

 
 
Junior Member
Join Date: Aug 2010
Posts: 1

 
      08-16-2010
Hello,

Suppose normal Windows IO goes through the below drivers:

ntfs.sys
volsnap.sys
volmgr.sys
partmgr.sys
storage class driver
storage port driver

May I write an filter driver sits between any pair of above system drivers, and make user mode application calls DeviceIOControl() to this filter driver to submit the IO request? Or, I can call the system driver directly with DeviceIOControl()? The purpose is we can control which system drivers can be bypassed to study each driver's impact.

For example: can I submit read/write request to partmgr.sys directly?

User Application
partition manager filter driver --- must implement this filter or directly calls partmgr.sys?
partmgr.sys
storage class driver
storage port driver
 
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