Messages in this thread | | | Date | Thu, 26 Apr 2007 17:56:49 +0300 | From | Avi Kivity <> | Subject | Re: [00/17] Large Blocksize Support V3 |
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David Chinner wrote: >> Why is it necessary to assume that one filesystem block == one buffer? >> Is it for atomicity, efficiency, or something else? >> > > By definition, really - each filesystem block has it's own state and > it's own disk mapping and so we need something to carry that > information around.... >
Well, for block sizes > PAGE_SIZE, you can just duplicate the mapping information (with an offset-in-block bit field) in each page's struct page. But I see from your other posts that there are atomicity and performance reasons as well.
-- error compiling committee.c: too many arguments to function
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