[Ocfs2-test-devel] [PATCH] Test zeros in holes while writing on page boundaries

[Goldwyn Rodrigues]

On Mon, Feb 28, 2011 at 10:04:23AM -0800, Joel Becker wrote:
> On Thu, Feb 24, 2011 at 10:55:17AM -0600, Goldwyn Rodrigues wrote:
> > This checks for zeros while writing at page boundaries and lseeking. The
> > precise conditions are:
> > 
> > 1. blocksize < clustersize
> > 2.  the previous write ended in a page boundary, but not a cluster
> > boundary. eg, clustersize=16K but pos is at the page boundary = 4k
> > 3. you wrote something at the page boundary
> > 4. there is a hole created in the page from 4k-8k in *between* say
> > 4128-4640
> > 5. i_size has moved past the second page, or past 8192
> > 
> > Sorry, my expected file is a bit too large because this is more
> > probabilistic rather than deterministic.
> 
> 	Like I stated in my other response, this should be evidenced
> directly by one test, not only sometimes, right?

This *is* evidenced directly by one test, and fails everytime I execute
the test.


-- 
Goldwyn