On Thu, Nov 23, 2000 at 12:38:55PM -0800, Linus Torvalds wrote:
...
> In fact, almost all filesystems do this at some point. ext2 does it for
> directories too, for some very similar reasons that isofs does. See
> fs/ext2/dir.c:
>
> blk = (filp->f_pos) >> EXT2_BLOCK_SIZE_BITS(sb);
>
> (and don't ask me about the extraneous parenthesis. I bet some LISP
> programmer felt alone and decided to make it a bit more homey).
>
> Linus
Propably some programmer has been bitten once too many times with
C's operator precedence rules, which only affect more complicated
expressions -- and thus are used rarely, and not remembered well.
(Or perhaps rememberance is felt to be weak, and parenthesis solve it.)
/Matti Aarnio
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