From: Wang Shilong Date: Fri, 11 Apr 2014 10:32:25 +0000 (+0800) Subject: Btrfs: fix compile warnings on on avr32 platform X-Git-Tag: v3.15-rc3~3^2~10 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e4fbaee29272533a242f117d18712e2974520d2c;p=platform%2Fkernel%2Flinux-stable.git Btrfs: fix compile warnings on on avr32 platform fs/btrfs/scrub.c: In function 'get_raid56_logic_offset': fs/btrfs/scrub.c:2269: warning: comparison of distinct pointer types lacks a cast fs/btrfs/scrub.c:2269: warning: right shift count >= width of type fs/btrfs/scrub.c:2269: warning: passing argument 1 of '__div64_32' from incompatible pointer type Since @rot is an int type, we should not use do_div(), fix it. Reported-by: kbuild test robot Signed-off-by: Wang Shilong Signed-off-by: Chris Mason --- diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index aee909f..68a5a26 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -2266,7 +2266,7 @@ static int get_raid56_logic_offset(u64 physical, int num, rot = do_div(stripe_nr, map->num_stripes); /* calculate which stripe this data locates */ rot += i; - stripe_index = do_div(rot, map->num_stripes); + stripe_index = rot % map->num_stripes; if (stripe_index == num) return 0; if (stripe_index < num)