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Re:Why Virtual Machines suck when you run them from BTRFS fi... by simcop2387 on Thursday July 14, 2011 @02:01PM (#2764177)
The closest thing I'm aware of for doing that currently is the Phoronix Testing Suite; or whatever they're calling it now. It's most certainly not complete but it's the only thing I'm aware of that can do any kind of regression testing like that. In fact it's been worked on recently to make it really easy to do testing with git bisect on the kernel.
Re:Why Virtual Machines suck when you run them from BTRFS fi... by rbanffy on Thursday July 14, 2011 @07:27PM (#2765619)
Going further in the thread they mention xfstests and that they run it against every patch.

http://xfs.org/index.php/Getting_the_latest_source_code#XFS_...

and

http://oss.sgi.com/cgi-bin/gitweb.cgi?p=xfs/cmds/xfstests.gi...