Re: [RFC][fat] use mpage_readpage when cluster size is page-alignment

[cai]

hi,

> Can't we use mpage_readpage() always? IIRC, that should work fine
> without disadvantage.
>
> Thanks.
>  
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.

thanks.
                                     junjie

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