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From:   Chao Yu <yuchao0@huawei.com>
To:     <jaegeuk@kernel.org>
CC:     <linux-f2fs-devel@lists.sourceforge.net>,
        <linux-kernel@vger.kernel.org>, <chao@kernel.org>,
        Chao Yu <yuchao0@huawei.com>
Subject: [PATCH 3/3] f2fs: avoid unneeded barrier in do_checkpoint()
Date:   Tue, 18 Feb 2020 18:21:36 +0800
Message-ID: <20200218102136.32150-3-yuchao0@huawei.com>
In-Reply-To: <20200218102136.32150-1-yuchao0@huawei.com>
References: <20200218102136.32150-1-yuchao0@huawei.com>
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We don't need to wait all dirty page submitting IO twice,
remove unneeded wait step.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
 fs/f2fs/checkpoint.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 751815cb4c2b..9c88fb3d255a 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1384,8 +1384,6 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 
 	/* Flush all the NAT/SIT pages */
 	f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
-	/* Wait for all dirty meta pages to be submitted for IO */
-	f2fs_wait_on_all_pages(sbi, F2FS_DIRTY_META);
 
 	/*
 	 * modify checkpoint
-- 
2.18.0.rc1