linux-kernel - [PATCH] gfs2: use helper macro abs()

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Message-ID: <20201019064349.48828-1-tian.xianting@h3c.com>
Date:   Mon, 19 Oct 2020 14:43:49 +0800
From:   Xianting Tian <tian.xianting@....com>
To:     <rpeterso@...hat.com>, <agruenba@...hat.com>
CC:     <cluster-devel@...hat.com>, <linux-kernel@...r.kernel.org>,
        Xianting Tian <tian.xianting@....com>
Subject: [PATCH] gfs2: use helper macro abs()

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

Signed-off-by: Xianting Tian <tian.xianting@....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