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On Wed, Jan 09, 2002 at 11:28:39AM -0800, Badari Pulavarty wrote: > Ben, > > By any chance do you have a list of drivers that assume this ? > What does it take to fix them ? > > I think Jens BIO changes for 2.5 will fix this problem. But > 2.4 needs a solution in this area too. This patch showed > significant improvement for database workloads. I didn't checked the implementation but as far as the blkdev is concerned the b_size changes without notification as soon as you 'mkfs -b somethingelse' and then mount the fs. So it cannot break as far I can tell. The only important thing is that b_size stays between 512 and 4k. > If it is not reasonable to fix all the brokern drivers, > how about making this configurable (to do variable size IO) ? > Do you favour this solution ? no. Andrea - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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