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. Cc: "Theodore Ts'o" <[email protected]> Cc: Andreas Dilger <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: [email protected] Signed-off-by: John Stultz <[email protected]> --- fs/ext4/mballoc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 34b610e..4780ab1 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3331,8 +3331,8 @@ 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; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
