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Btrfs: fix compile warnings on on avr32 platform

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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 <fengguang.wu@intel.com>
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Wang Shilong 2014-04-11 18:32:25 +08:00 committed by Chris Mason
parent 0723a0473f
commit e4fbaee292
1 changed files with 1 additions and 1 deletions
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fs/btrfs/scrub.c
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@ -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)