From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755139AbcHZBIx (ORCPT ); Thu, 25 Aug 2016 21:08:53 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:56940 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753226AbcHZBIv (ORCPT ); Thu, 25 Aug 2016 21:08:51 -0400 From: Chao Yu To: CC: , , Chao Yu Subject: [PATCH] f2fs: add noinline_dentry mount option Date: Fri, 26 Aug 2016 09:01:22 +0800 Message-ID: <20160826010122.79644-1-yuchao0@huawei.com> X-Mailer: git-send-email 2.8.2.311.gee88674 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.120.216.130] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090204.57BF951C.0006,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: ac0566b25eb1df14bd597abc350cd2b0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds noinline_dentry mount option. Signed-off-by: Chao Yu --- Documentation/filesystems/f2fs.txt | 1 + fs/f2fs/super.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index ecd8080..753dd4f 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -131,6 +131,7 @@ inline_dentry Enable the inline dir feature: data in new created directory entries can be written into inode block. The space of inode block which is used to store inline dentries is limited to ~3.4k. +noinline_dentry Diable the inline dentry feature. flush_merge Merge concurrent cache_flush commands as much as possible to eliminate redundant command issues. If the underlying device handles the cache_flush command relatively slowly, diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 7974833..b776414 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -87,6 +87,7 @@ enum { Opt_inline_xattr, Opt_inline_data, Opt_inline_dentry, + Opt_noinline_dentry, Opt_flush_merge, Opt_noflush_merge, Opt_nobarrier, @@ -118,6 +119,7 @@ static match_table_t f2fs_tokens = { {Opt_inline_xattr, "inline_xattr"}, {Opt_inline_data, "inline_data"}, {Opt_inline_dentry, "inline_dentry"}, + {Opt_noinline_dentry, "noinline_dentry"}, {Opt_flush_merge, "flush_merge"}, {Opt_noflush_merge, "noflush_merge"}, {Opt_nobarrier, "nobarrier"}, @@ -488,6 +490,9 @@ static int parse_options(struct super_block *sb, char *options) case Opt_inline_dentry: set_opt(sbi, INLINE_DENTRY); break; + case Opt_noinline_dentry: + clear_opt(sbi, INLINE_DENTRY); + break; case Opt_flush_merge: set_opt(sbi, FLUSH_MERGE); break; @@ -879,6 +884,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root) seq_puts(seq, ",noinline_data"); if (test_opt(sbi, INLINE_DENTRY)) seq_puts(seq, ",inline_dentry"); + else + seq_puts(seq, ",noinline_dentry"); if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE)) seq_puts(seq, ",flush_merge"); if (test_opt(sbi, NOBARRIER)) -- 2.8.2.311.gee88674