linux-kernel - [PATCH] fs/ocfs2/cluster: use offset_in

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Date:   Sat, 22 Apr 2017 09:21:08 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Mark Fasheh <mfasheh@...sity.com>,
        Joel Becker <jlbec@...lplan.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Ingo Molnar <mingo@...nel.org>, Tejun Heo <tj@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        David Howells <dhowells@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Geliang Tang <geliangtang@...il.com>, ocfs2-devel@....oracle.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH] fs/ocfs2/cluster: use offset_in_page() macro

Use offset_in_page() macro instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 fs/ocfs2/cluster/tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index a4a6ba2..8d77922 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -955,7 +955,7 @@ static void o2net_sendpage(struct o2net_sock_container *sc,
 		mutex_lock(&sc->sc_send_lock);
 		ret = sc->sc_sock->ops->sendpage(sc->sc_sock,
 						 virt_to_page(kmalloced_virt),
-						 (long)kmalloced_virt & ~PAGE_MASK,
+						 offset_in_page(kmalloced_virt),
 						 size, MSG_DONTWAIT);
 		mutex_unlock(&sc->sc_send_lock);
 		if (ret == size)
-- 
2.9.3