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ext4: fix abs() usage in ext4_mb_check_group_pa 

The ext4_fsblk_t type is a long long, which should not be used
with abs(), as is done in ext4_mb_check_group_pa().

This patch modifies ext4_mb_check_group_pa() to use abs64()
instead.

Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
John Stultz 2015-10-19 00:01:05 -04:00 committed by Theodore Ts'o
parent 1e381f60da
commit 16175039e6
1 changed files with 2 additions and 2 deletions
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4
fs/ext4/mballoc.c
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@ -3333,8 +3333,8 @@ ext4_mb_check_group_pa(ext4_fsblk_t goal_block,
atomic_inc(&pa->pa_count);
return pa;
}
cur_distance = abs(goal_block - cpa->pa_pstart);
new_distance = abs(goal_block - pa->pa_pstart);
cur_distance = abs64(goal_block - cpa->pa_pstart);
new_distance = abs64(goal_block - pa->pa_pstart);
if (cur_distance <= new_distance)
return cpa;