> > Since each mapping has its own vm_area, I don't see the problem.
> > Do you want different mappers to share read-ahead info?
>
> yes, since they are sharing the same file in the same page cache it
> would be silly to trigger read-ahead needlessly, even if it finds all the
> pages already in the page cache.
Does that mean we could get away with passing an inode rather than a filp
to i_op->readpage()? That makes some of my code for the NTFS driver a little
tidier.
--
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If you see a bright streak in the sky coming at you, duck.
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