linux-kernel - [PATCH 2/2] f2fs: don't track volatile file in dirty inode list

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Message-ID: <20170322092346.115258-2-yuchao0@huawei.com>
Date:   Wed, 22 Mar 2017 17:23:46 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        Chao Yu <yuchao0@...wei.com>
Subject: [PATCH 2/2] f2fs: don't track volatile file in dirty inode list

Don't track volatile file in dirty inode list, otherwise with data_flush
option, background thread will entry into endless loop for flushing
journal file's pages.

Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 fs/f2fs/checkpoint.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 85831a0af463..9aba0bb340a0 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -817,7 +817,9 @@ static void __add_dirty_inode(struct inode *inode, enum inode_type type)
 		return;
 
 	set_inode_flag(inode, flag);
-	list_add_tail(&F2FS_I(inode)->dirty_list, &sbi->inode_list[type]);
+	if (!f2fs_is_volatile_file(inode))
+		list_add_tail(&F2FS_I(inode)->dirty_list,
+						&sbi->inode_list[type]);
 	stat_inc_dirty_inode(sbi, type);
 }
 
-- 
2.8.2.295.g3f1c1d0