From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.136]:52214 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754520AbcJQWCV (ORCPT ); Mon, 17 Oct 2016 18:02:21 -0400 From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 1/3] f2fs: count dirty inodes to flush node pages during checkpoint Date: Mon, 17 Oct 2016 14:56:43 -0700 Message-Id: <20161017215645.435-1-jaegeuk@kernel.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: If there are a lot of dirty inodes, we need to flush all of them when doing checkpoint. So, we need to count this for enough free space. Signed-off-by: Jaegeuk Kim --- fs/f2fs/segment.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index fecb856..a6efb5c 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -471,11 +471,12 @@ static inline bool need_SSR(struct f2fs_sb_info *sbi) { int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES); int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS); + int imeta_secs = get_blocktype_secs(sbi, F2FS_DIRTY_IMETA); if (test_opt(sbi, LFS)) return false; - return free_sections(sbi) <= (node_secs + 2 * dent_secs + + return free_sections(sbi) <= (node_secs + 2 * dent_secs + imeta_secs + reserved_sections(sbi) + 1); } @@ -484,6 +485,7 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, { int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES); int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS); + int imeta_secs = get_blocktype_secs(sbi, F2FS_DIRTY_IMETA); node_secs += get_blocktype_secs(sbi, F2FS_DIRTY_IMETA); @@ -491,7 +493,8 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, return false; return (free_sections(sbi) + freed) <= - (node_secs + 2 * dent_secs + reserved_sections(sbi) + needed); + (node_secs + 2 * dent_secs + imeta_secs + + reserved_sections(sbi) + needed); } static inline bool excess_prefree_segs(struct f2fs_sb_info *sbi) -- 2.8.3