From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49812 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405750AbeHATIf (ORCPT ); Wed, 1 Aug 2018 15:08:35 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chao Yu , Yunlei He , Jaegeuk Kim , Sasha Levin Subject: [PATCH 4.14 057/246] f2fs: fix to dont trigger writeback during recovery Date: Wed, 1 Aug 2018 18:49:27 +0200 Message-Id: <20180801165014.439877217@linuxfoundation.org> In-Reply-To: <20180801165011.700991984@linuxfoundation.org> References: <20180801165011.700991984@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chao Yu [ Upstream commit 64c74a7ab505ea40d1b3e5d02735ecab08ae1b14 ] - f2fs_fill_super - recover_fsync_data - recover_data - del_fsync_inode - iput - iput_final - write_inode_now - f2fs_write_inode - f2fs_balance_fs - f2fs_balance_fs_bg - sync_dirty_inodes With data_flush mount option, during recovery, in order to avoid entering above writeback flow, let's detect recovery status and do skip in f2fs_balance_fs_bg. Signed-off-by: Chao Yu Signed-off-by: Yunlei He Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/segment.c | 3 +++ 1 file changed, 3 insertions(+) --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -435,6 +435,9 @@ void f2fs_balance_fs(struct f2fs_sb_info void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi) { + if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) + return; + /* try to shrink extent cache when there is no enough memory */ if (!available_free_memory(sbi, EXTENT_CACHE)) f2fs_shrink_extent_tree(sbi, EXTENT_CACHE_SHRINK_NUMBER);