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author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-12 14:40:38 +0400 |
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committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-12 14:40:38 +0400 |
commit | 2da96acde0318f121ed3f5993ae9324c856ecfd4 (patch) | |
tree | 020f58a39c5ceb9bd3bca1a63ad22e3a2da98e57 /include/linux/kernel.h | |
parent | 782e3b3b3804c38d5130c7f21d7ec7bf6709023f (diff) | |
download | linux-2da96acde0318f121ed3f5993ae9324c856ecfd4.tar.xz |
[BLOCK] Move sector_div() from blkdev.h to kernel.h
We need it even if CONFIG_BLOCK is disabled, so move it outside of
the block layer include system.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r-- | include/linux/kernel.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 47160fe378c9..d9725a28a265 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -42,6 +42,20 @@ extern const char linux_proc_banner[]; #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) +#ifdef CONFIG_LBD +# include <asm/div64.h> +# define sector_div(a, b) do_div(a, b) +#else +# define sector_div(n, b)( \ +{ \ + int _res; \ + _res = (n) % (b); \ + (n) /= (b); \ + _res; \ +} \ +) +#endif + /** * upper_32_bits - return bits 32-63 of a number * @n: the number we're accessing |