Messages in this thread |  | | From | Chris Mason <> | Subject | Re: [RFC v2] block integrity: Stabilize(?) pages during writeback | Date | Fri, 22 Apr 2011 08:50:01 -0400 |
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Excerpts from Darrick J. Wong's message of 2011-04-21 20:02:26 -0400: > Hi everyone, > > I've finally managed to get together a patch that seems to provide stable pages > during writeback, or at least gets us to the point that after several days of > running tests I don't see DIF checksum errors anymore. :) > > The last two pieces to go into this puzzle were (a) bio_integrity_prep needs to > walk the process tree to find all userland ptes that map to a particular memory > page and revoke write access, and
Hmm, did you need the bio_integrity_prep change for all the filesystems? This should be happening already as part of using page_mkwrite.
-chris
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