On Mon, Sep 22, 2014 at 8:29 AM, Anton Altaparmakov <ai...@cam.ac.uk> wrote:
>
> You could do "block & ~(sector_t)(size - 1)" instead of "(sector_t)index <<
> sizebits" if you prefer but not sure that is an improvement!
No, it would be even worse. Something like
block & ~(sector_t)((size >> 9) - 1)
because block is the sector number (ie 512-byte) and size is in bytes.
Linus
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