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    SubjectRe: [RFC][fat] use mpage_readpage when cluster size is page-alignment
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    cai <junjiec@gmail.com> writes:

    >>Can't we use mpage_readpage() always? IIRC, that should work fine
    >>without disadvantage.
    >>
    > it should work, but maybe some performance loses if the
    > cluster size is not page-alignment, for example, 4 sector/cluster
    > in a 4KB/page system.
    > because it will fall back to the block_read_full_page when
    > non-adjacent block found in do_mpage_readpage, i think.
    > the same applies to mpage_readpages too.

    Ah, yes.

    But if cluster is not fragmented it shouldn't fall back, and rather it
    will get advantage. And I guess, even if it fall back to
    block_read_full_page(), it would be very trivial.

    What do you think? We may need benchmark...
    --
    OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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