[PATCH] gfs2: use helper macro abs()

[Xianting Tian]

Use helper macro abs() to simplify the "x >= y || x <= -y" cmp.

Signed-off-by: Xianting Tian <tian.xiant...@h3c.com>
---
 fs/gfs2/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 9f4d9e7be..05eb709de 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -304,7 +304,7 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, 
s64 free,
        if (sdp->sd_args.ar_statfs_percent) {
                x = 100 * l_sc->sc_free;
                y = m_sc->sc_free * sdp->sd_args.ar_statfs_percent;
-               if (x >= y || x <= -y)
+               if (abs(x) >= y)
                        need_sync = 1;
        }
        spin_unlock(&sdp->sd_statfs_spin);
-- 
2.17.1