do_div vs sector_t

Peter Chubb (peter@chubb.wattle.id.au)
Mon, 14 Jul 2003 14:07:51 +1000


>>>>> "Matthew" == Matthew Wilcox <willy@debian.org> writes:

Matthew> do_div(aic->seek_mean, aic->seek_samples); }

Matthew> seek_mean is a sector_t so sometimes it's 64-bit on a 32-bit
Matthew> platform. so we can't avoid calling do_div().

Use sector_div() instead! -- it uses a 63/32 bit divide/remainder if
sector_t is 64-bit, and 32/32 if it's 32-bit.

--
Dr Peter Chubb  http://www.gelato.unsw.edu.au  peterc AT gelato.unsw.edu.au
You are lost in a maze of BitKeeper repositories,   all slightly different.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/