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Alan, > > > 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 ? > > We have hardware that requires aligned power of two for writes (ie 4K on > 4K boundaries only). The 3ware is one example Jeff Merkey found > emm.. come to think of it, I can easily (2 line) change my patch to do 512 byte buffer heads till we get PAGE alignment and then start issuing 4K IO buffer heads. What do you think ? will this work ? And also, do you know any low level drivers Ben mentioning: > low level drivers, some of which assume that > all buffer heads within a request have the same block size. Is it still true for 2.4 ? Regards, Badari - 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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