Messages in this thread | | | Date | Wed, 23 Feb 2011 12:24:47 -0800 | From | Joel Becker <> | Subject | Re: [RFC] block integrity: Fix write after checksum calculation problem |
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On Tue, Feb 22, 2011 at 11:45:44AM -0500, Martin K. Petersen wrote: > Also, DIX is only the tip of the iceberg. Many other impending > technologies feature checksums and require pages to be stable during I/O > due to checksumming, encryption and so on. > > The VM is already trying to do the right thing. We just need the > relevant filesystems to catch up.
ocfs2 handles stable metadata for its checksums when feeding things to the journal. If we're doing pagecache-based I/O, is the pagecache going to help here for data?
Joel
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