From: Chao Yu <chao2.yu@samsung.com>
To: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] f2fs: fix to remove directory inode from dirty list
Date: Tue, 10 Nov 2015 18:45:07 +0800
Message-id: <01b901d11ba4$f56a5cb0$e03f1610$@samsung.com>
MIME-version: 1.0
Content-type: text/plain; charset=us-ascii
Content-transfer-encoding: 7bit
Thread-index: AdEbpNDHO2Xo0D6XQsi+gSSNKDGCQg==
Content-language: zh-cn
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 941
Lines: 34

If last dirty dentry page was writebacked in reclaim path, we should
remove its directory inode from global dirty list to avoid unnecessary
flush for this inode when doing checkpoint.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
---
 fs/f2fs/data.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c3e1ffa..6c689e9 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1182,8 +1182,10 @@ out:
 	unlock_page(page);
 	if (need_balance_fs)
 		f2fs_balance_fs(sbi);
-	if (wbc->for_reclaim)
+	if (wbc->for_reclaim) {
 		f2fs_submit_merged_bio(sbi, DATA, WRITE);
+		remove_dirty_dir_inode(inode);
+	}
 	return 0;
 
 redirty_out:
-- 
2.6.1


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/