On Thu, Jun 03, 2010 at 07:09:52PM +0300, Boaz Harrosh wrote: > [Topic] > How to not let pages change while in IO > > [Abstract] > As seen in a long thread on the fsdvel scsi mailing lists. Lots of > people have headaches and sleep less nights because individual pages > can change while in IO and/or DMA. Though each one as slightly different > needs, the mechanics look to be the same. > > People that care: > - Mirror and RAID people that need on disk consistency. > - Network storage that wants data checksum. Yes, nfs/rpcsec_gss code is an example of code that tries to sign pages containing data that could change underneath us. I don't know if we've seen it in practice. --b. > - DIF/DIX people > - ... > > I for one know nothing of the subject but am a RAID person and would > like a solution that does not force me to copy the complete data load. > > Please lets get all the VM VFS and drivers people in one room and see > if we can have a Linux solution to this problem > > Boaz > _______________________________________________ > Lsf10-pc mailing list > Lsf10-pc@xxxxxxxxxxxxxxxxxxxxxxxxxx > https://lists.linux-foundation.org/mailman/listinfo/lsf10-pc -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
