Messages in this thread | | | From | Badari Pulavarty <> | Subject | Re: [PATCH] PAGE_SIZE IO for RAW (RAW VARY) | Date | Wed, 9 Jan 2002 15:48:17 -0800 (PST) |
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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 ?
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