From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754210AbeDWCgq (ORCPT ); Sun, 22 Apr 2018 22:36:46 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:7194 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754068AbeDWCgo (ORCPT ); Sun, 22 Apr 2018 22:36:44 -0400 From: Chao Yu To: CC: , , , Chao Yu Subject: [PATCH 1/3] f2fs: fix to wait page writeback during revoking atomic write Date: Mon, 23 Apr 2018 10:36:13 +0800 Message-ID: <20180423023615.33247-1-yuchao0@huawei.com> X-Mailer: git-send-email 2.15.0.55.gc2ece9dc4de6 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.120.216.130] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After revoking atomic write, related LBA can be reused by others, so we need to wait page writeback before reusing the LBA, in order to avoid interference between old atomic written in-flight IO and new IO. Signed-off-by: Chao Yu --- fs/f2fs/segment.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index cba59fc58eb6..24299f81f80d 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -231,6 +231,8 @@ static int __revoke_inmem_pages(struct inode *inode, lock_page(page); + f2fs_wait_on_page_writeback(page, DATA, true); + if (recover) { struct dnode_of_data dn; struct node_info ni; -- 2.15.0.55.gc2ece9dc4de6