Xen devel - Apr 2009 - Re: [5 Patches] Synchronize blktap with citrix blktap2.

I started to look into these patches, to try to evaluate how much
performance improvement this re-write gives, but have a problem with the
way this works.

As I understand the patch set in userspace you:
1. move the old blktap dir to blktap_old
2. introduce the new blktap2 code in blktap

However, these changes that you are making to qemu merely link against
the old libraries, rather than adjusting the include paths to include
the new headers, and compile/link against the new blktap2?

Won''t this cause problems when you actually go to use tapdisk?

Am I missing something here?

Ben


        I''ve been reminded that the ioemu patch to update the blktap
dependencies in that repo is still necessary. It is available here:
       
http://www.cs.ubc.ca/~dmeyer/blktap2/tools_ioemu_dir_use_blktap_old.patch
        
        --Dutch
                        


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