From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B2422D743D7 for ; Wed, 20 Nov 2024 20:36:24 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-1.v29.lw.sourceforge.com) by sfs-ml-1.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1tDrQy-0002OO-Is; Wed, 20 Nov 2024 20:36:21 +0000 Received: from [172.30.29.66] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1tDrQp-0002O9-18 for linux-f2fs-devel@lists.sourceforge.net; Wed, 20 Nov 2024 20:36:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=In-Reply-To:Content-Type:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Q3nSscPG030NjqnH2O4XxEsEhCx0EFoVFUzipGoL8qw=; b=khTwd7KL/1KoNgEJkxbQIFpATG ITh0W3hhpFYff45CTBi0uCyaT9+Fd3KJU0FzD2EA8AJ+BeaiEbJTvbNHvyvoUZm7o5nP/e6EyieCg lRRCmp1CGAiafdXlCjH3ssIBUemc7gBqJ9nkukzJLL5NLh4XgxnMLfUPfjCOL0sJi9UY=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To :From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=Q3nSscPG030NjqnH2O4XxEsEhCx0EFoVFUzipGoL8qw=; b=hKCD9snO892Pgix7I1InT3tLzq iB9MN69H5HDzP8nRO2uMJS4c9jmyrs5oSXLY8iYJWMkJy53ENRsEVMa5Re6PPC41CObL0KwMXruaX zUzGf151pN4KlPyHEKdLWdzyN/ceu8vp0VaHX8IsZgj2KdS3+4DtP5CgRLVGf+JTFdXE=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1tDrQj-00088P-Ph for linux-f2fs-devel@lists.sourceforge.net; Wed, 20 Nov 2024 20:36:07 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 512545C4820; Wed, 20 Nov 2024 20:35:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE34FC4CECD; Wed, 20 Nov 2024 20:35:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732134960; bh=X8FBbRmWHmatSWLjM3YTpUV6jfXsVQ1VgIdJpMCHcSI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OBfA9xirbzJPWJpZLOMX09UWwftrmYuI3LnpqOoOmNI+yN/pwtdXwdRijCyKD41tj x9XosnvE4MzG+d7U0fy9SKkJOF/yaQWlUUh4Z2UWhe5D8hWEo+/gnZJyHPHaBnZym4 T8qVA851O6RjQT1ntRxz6orvEA4ujSWeZt9Pkhw89zdBbDGzqlOWjZJItAJqJlxcvO BJP7xbSW7HUI1SYGTgM69fKtb0GvpGKvzOzaOUNLknAM/hTOM9Yxpt/P6puRZLKgWL rPm6QBeSDRXrMDaxw2bsDTub280IUEXTOQQ38g+bZoWNlyuz6LPtq7Cz6kSrsotXdg Z1IwIYaZWJluA== Date: Wed, 20 Nov 2024 20:35:58 +0000 To: Chao Yu Message-ID: References: <20241112010820.2788822-1-jaegeuk@kernel.org> <2d26eeee-01f7-445b-a1d2-bc2de65b5599@kernel.org> <35c20e47-9124-45df-8067-67c5ef29600e@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <35c20e47-9124-45df-8067-67c5ef29600e@kernel.org> X-Headers-End: 1tDrQj-00088P-Ph Subject: Re: [f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing" X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Jaegeuk Kim via Linux-f2fs-devel Reply-To: Jaegeuk Kim Cc: Eric Sandeen , linux-f2fs-devel@lists.sourceforge.net, stable@vger.kernel.org, Daniel Rosenberg , linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 11/20, Chao Yu wrote: > On 2024/11/20 4:48, Jaegeuk Kim wrote: > > On 11/19, Chao Yu wrote: > > > On 2024/11/13 5:39, Jaegeuk Kim via Linux-f2fs-devel wrote: > > > > Hi Eric, > > > > > > > > Could you please check this revert as it breaks the mount()? > > > > It seems F2FS needs to implement new mount support. > > > > > > Hi all, > > > > > > Actually, if we want to enable lazytime option, we can use mount > > > syscall as: > > > > > > mount("/dev/vdb", "/mnt/test", "f2fs", MS_LAZYTIME, NULL); > > > > > > or use shell script as: > > > > > > mount -t f2fs -o lazytime /dev/vdb /mnt/test > > > > > > IIUC, the reason why mount command can handle lazytime is, after > > > 8c7f073aaeaa ("libmount: add support for MS_LAZYTIME"), mount command > > > supports to map "lazytime" to MS_LAZYTIME, and use MS_LAZYTIME in > > > parameter @mountflags of mount(2). > > > > > > So, it looks we have alternative way to enable/disable lazytime feature > > > after removing Opt_{no,}lazytime parsing in f2fs, do we really need this > > > revert patch? > > > > This is a regression of the below command. I don't think offering others are > > feasible. > > > > mount("/dev/vdb", "/mnt/test", "f2fs", 0, "lazytime"); > > Alright, there are other options were removed along w/ removal of > related feature. e.g. > > 1. io_bits=%u by commit 87161a2b0aed ("f2fs: deprecate io_bits") > 2. whint_mode=%s by commit 930e2607638d ("f2fs: remove obsolete whint_mode") > > Do we need to add these options handling back, and print "xxx options were > deprecated" as we did in ("f2fs: kill heap-based allocation"), in order to > avoid mount(......, "io_bits=%u" or "whint_mode=%s") command regression? These are different from the generic lazytime option, and I haven't got any complaint on this removal. > > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c > index 867b147eb957..329f317e6f09 100644 > --- a/fs/f2fs/super.c > +++ b/fs/f2fs/super.c > @@ -733,10 +733,8 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount) > clear_opt(sbi, DISCARD); > break; > case Opt_noheap: > - set_opt(sbi, NOHEAP); > - break; > case Opt_heap: > - clear_opt(sbi, NOHEAP); > + f2fs_warn(sbi, "heap/no_heap options were deprecated"); > break; > > Thanks, > > > > > > > > > Thanks, > > > > > > > > > > > Thanks, > > > > > > > > On 11/12, Jaegeuk Kim wrote: > > > > > This reverts commit 54f43a10fa257ad4af02a1d157fefef6ebcfa7dc. > > > > > > > > > > The above commit broke the lazytime mount, given > > > > > > > > > > mount("/dev/vdb", "/mnt/test", "f2fs", 0, "lazytime"); > > > > > > > > > > CC: stable@vger.kernel.org # 6.11+ > > > > > Signed-off-by: Daniel Rosenberg > > > > > Signed-off-by: Jaegeuk Kim > > > > > --- > > > > > fs/f2fs/super.c | 10 ++++++++++ > > > > > 1 file changed, 10 insertions(+) > > > > > > > > > > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c > > > > > index 49519439b770..35c4394e4fc6 100644 > > > > > --- a/fs/f2fs/super.c > > > > > +++ b/fs/f2fs/super.c > > > > > @@ -150,6 +150,8 @@ enum { > > > > > Opt_mode, > > > > > Opt_fault_injection, > > > > > Opt_fault_type, > > > > > + Opt_lazytime, > > > > > + Opt_nolazytime, > > > > > Opt_quota, > > > > > Opt_noquota, > > > > > Opt_usrquota, > > > > > @@ -226,6 +228,8 @@ static match_table_t f2fs_tokens = { > > > > > {Opt_mode, "mode=%s"}, > > > > > {Opt_fault_injection, "fault_injection=%u"}, > > > > > {Opt_fault_type, "fault_type=%u"}, > > > > > + {Opt_lazytime, "lazytime"}, > > > > > + {Opt_nolazytime, "nolazytime"}, > > > > > {Opt_quota, "quota"}, > > > > > {Opt_noquota, "noquota"}, > > > > > {Opt_usrquota, "usrquota"}, > > > > > @@ -922,6 +926,12 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount) > > > > > f2fs_info(sbi, "fault_type options not supported"); > > > > > break; > > > > > #endif > > > > > + case Opt_lazytime: > > > > > + sb->s_flags |= SB_LAZYTIME; > > > > > + break; > > > > > + case Opt_nolazytime: > > > > > + sb->s_flags &= ~SB_LAZYTIME; > > > > > + break; > > > > > #ifdef CONFIG_QUOTA > > > > > case Opt_quota: > > > > > case Opt_usrquota: > > > > > -- > > > > > 2.47.0.277.g8800431eea-goog > > > > > > > > > > > > _______________________________________________ > > > > Linux-f2fs-devel mailing list > > > > Linux-f2fs-devel@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6EB4B1714A3; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OBfA9xir" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE34FC4CECD; Wed, 20 Nov 2024 20:35:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732134960; bh=X8FBbRmWHmatSWLjM3YTpUV6jfXsVQ1VgIdJpMCHcSI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OBfA9xirbzJPWJpZLOMX09UWwftrmYuI3LnpqOoOmNI+yN/pwtdXwdRijCyKD41tj x9XosnvE4MzG+d7U0fy9SKkJOF/yaQWlUUh4Z2UWhe5D8hWEo+/gnZJyHPHaBnZym4 T8qVA851O6RjQT1ntRxz6orvEA4ujSWeZt9Pkhw89zdBbDGzqlOWjZJItAJqJlxcvO BJP7xbSW7HUI1SYGTgM69fKtb0GvpGKvzOzaOUNLknAM/hTOM9Yxpt/P6puRZLKgWL rPm6QBeSDRXrMDaxw2bsDTub280IUEXTOQQ38g+bZoWNlyuz6LPtq7Cz6kSrsotXdg Z1IwIYaZWJluA== Date: Wed, 20 Nov 2024 20:35:58 +0000 From: Jaegeuk Kim To: Chao Yu Cc: Eric Sandeen , Daniel Rosenberg , stable@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing" Message-ID: References: <20241112010820.2788822-1-jaegeuk@kernel.org> <2d26eeee-01f7-445b-a1d2-bc2de65b5599@kernel.org> <35c20e47-9124-45df-8067-67c5ef29600e@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <35c20e47-9124-45df-8067-67c5ef29600e@kernel.org> On 11/20, Chao Yu wrote: > On 2024/11/20 4:48, Jaegeuk Kim wrote: > > On 11/19, Chao Yu wrote: > > > On 2024/11/13 5:39, Jaegeuk Kim via Linux-f2fs-devel wrote: > > > > Hi Eric, > > > > > > > > Could you please check this revert as it breaks the mount()? > > > > It seems F2FS needs to implement new mount support. > > > > > > Hi all, > > > > > > Actually, if we want to enable lazytime option, we can use mount > > > syscall as: > > > > > > mount("/dev/vdb", "/mnt/test", "f2fs", MS_LAZYTIME, NULL); > > > > > > or use shell script as: > > > > > > mount -t f2fs -o lazytime /dev/vdb /mnt/test > > > > > > IIUC, the reason why mount command can handle lazytime is, after > > > 8c7f073aaeaa ("libmount: add support for MS_LAZYTIME"), mount command > > > supports to map "lazytime" to MS_LAZYTIME, and use MS_LAZYTIME in > > > parameter @mountflags of mount(2). > > > > > > So, it looks we have alternative way to enable/disable lazytime feature > > > after removing Opt_{no,}lazytime parsing in f2fs, do we really need this > > > revert patch? > > > > This is a regression of the below command. I don't think offering others are > > feasible. > > > > mount("/dev/vdb", "/mnt/test", "f2fs", 0, "lazytime"); > > Alright, there are other options were removed along w/ removal of > related feature. e.g. > > 1. io_bits=%u by commit 87161a2b0aed ("f2fs: deprecate io_bits") > 2. whint_mode=%s by commit 930e2607638d ("f2fs: remove obsolete whint_mode") > > Do we need to add these options handling back, and print "xxx options were > deprecated" as we did in ("f2fs: kill heap-based allocation"), in order to > avoid mount(......, "io_bits=%u" or "whint_mode=%s") command regression? These are different from the generic lazytime option, and I haven't got any complaint on this removal. > > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c > index 867b147eb957..329f317e6f09 100644 > --- a/fs/f2fs/super.c > +++ b/fs/f2fs/super.c > @@ -733,10 +733,8 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount) > clear_opt(sbi, DISCARD); > break; > case Opt_noheap: > - set_opt(sbi, NOHEAP); > - break; > case Opt_heap: > - clear_opt(sbi, NOHEAP); > + f2fs_warn(sbi, "heap/no_heap options were deprecated"); > break; > > Thanks, > > > > > > > > > Thanks, > > > > > > > > > > > Thanks, > > > > > > > > On 11/12, Jaegeuk Kim wrote: > > > > > This reverts commit 54f43a10fa257ad4af02a1d157fefef6ebcfa7dc. > > > > > > > > > > The above commit broke the lazytime mount, given > > > > > > > > > > mount("/dev/vdb", "/mnt/test", "f2fs", 0, "lazytime"); > > > > > > > > > > CC: stable@vger.kernel.org # 6.11+ > > > > > Signed-off-by: Daniel Rosenberg > > > > > Signed-off-by: Jaegeuk Kim > > > > > --- > > > > > fs/f2fs/super.c | 10 ++++++++++ > > > > > 1 file changed, 10 insertions(+) > > > > > > > > > > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c > > > > > index 49519439b770..35c4394e4fc6 100644 > > > > > --- a/fs/f2fs/super.c > > > > > +++ b/fs/f2fs/super.c > > > > > @@ -150,6 +150,8 @@ enum { > > > > > Opt_mode, > > > > > Opt_fault_injection, > > > > > Opt_fault_type, > > > > > + Opt_lazytime, > > > > > + Opt_nolazytime, > > > > > Opt_quota, > > > > > Opt_noquota, > > > > > Opt_usrquota, > > > > > @@ -226,6 +228,8 @@ static match_table_t f2fs_tokens = { > > > > > {Opt_mode, "mode=%s"}, > > > > > {Opt_fault_injection, "fault_injection=%u"}, > > > > > {Opt_fault_type, "fault_type=%u"}, > > > > > + {Opt_lazytime, "lazytime"}, > > > > > + {Opt_nolazytime, "nolazytime"}, > > > > > {Opt_quota, "quota"}, > > > > > {Opt_noquota, "noquota"}, > > > > > {Opt_usrquota, "usrquota"}, > > > > > @@ -922,6 +926,12 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount) > > > > > f2fs_info(sbi, "fault_type options not supported"); > > > > > break; > > > > > #endif > > > > > + case Opt_lazytime: > > > > > + sb->s_flags |= SB_LAZYTIME; > > > > > + break; > > > > > + case Opt_nolazytime: > > > > > + sb->s_flags &= ~SB_LAZYTIME; > > > > > + break; > > > > > #ifdef CONFIG_QUOTA > > > > > case Opt_quota: > > > > > case Opt_usrquota: > > > > > -- > > > > > 2.47.0.277.g8800431eea-goog > > > > > > > > > > > > _______________________________________________ > > > > Linux-f2fs-devel mailing list > > > > Linux-f2fs-devel@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel