From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relayfre-01.paragon-software.com (relayfre-01.paragon-software.com [176.12.100.13]) (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 016122C81 for ; Mon, 11 Oct 2021 17:14:36 +0000 (UTC) Received: from dlg2.mail.paragon-software.com (vdlg-exch-02.paragon-software.com [172.30.1.105]) by relayfre-01.paragon-software.com (Postfix) with ESMTPS id D39D042C; Mon, 11 Oct 2021 20:14:28 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paragon-software.com; s=mail; t=1633972468; bh=hP5CrubvbNrj+5YR8Nrl4oDNVEbRN1HW7A+zrUZo4Y4=; h=Date:Subject:To:CC:References:From:In-Reply-To; b=iuBdZVohhoTEp9GoRZx2k6k3ACoHG7Fbgjsyoj6GLj34YfKvXuAOYN6gDZ96jz38V k92DCP+sBQJJPZ0m0dYehjZvCKicpX8FJ79FE0qlQ9qVxvjhje8kwRewpkS64SSha4 Njbg2YP1+wQBXos2bMEJ39cKoS4U8PDiuvNLovag= Received: from [192.168.211.33] (192.168.211.33) by vdlg-exch-02.paragon-software.com (172.30.1.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 11 Oct 2021 20:14:28 +0300 Message-ID: <204a5be9-f0a2-1c85-d3a8-3011578b9299@paragon-software.com> Date: Mon, 11 Oct 2021 20:14:28 +0300 Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.2 Subject: Re: [PATCH v4 7/9] fs/ntfs3: Add iocharset= mount option as alias for nls= Content-Language: en-US To: Kari Argillander , =?UTF-8?Q?Pali_Roh=c3=a1r?= CC: , Christoph Hellwig , , , Matthew Wilcox , Christian Brauner , References: <20210907153557.144391-1-kari.argillander@gmail.com> <20210907153557.144391-8-kari.argillander@gmail.com> <20210908190938.l32kihefvtfw5tjp@pali> <20211009114252.jn2uehmaveucimp5@pali> <20211009143327.mqwwwlc4bgwtpush@kari-VirtualBox> From: Konstantin Komarov In-Reply-To: <20211009143327.mqwwwlc4bgwtpush@kari-VirtualBox> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [192.168.211.33] X-ClientProxiedBy: vdlg-exch-02.paragon-software.com (172.30.1.105) To vdlg-exch-02.paragon-software.com (172.30.1.105) On 09.10.2021 17:33, Kari Argillander wrote: > Choose to add Linus to CC so that he also knows whats coming. > > On Sat, Oct 09, 2021 at 01:42:52PM +0200, Pali Rohár wrote: >> Hello! >> >> This patch have not been applied yet: >> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/fs/ntfs3/super.c#n247 >> >> What happened that in upstream tree is still only nls= option and not >> this iocharset=? > > Very valid question. For some reason Konstantin has not sended pr to > Linus. I have also address my concern that pr is not yet sended and he > will make very massive "patch dumb" to rc6/rc7. See thread [1]. There is > about 50-70 patch already which he will send to rc6/rc7. I have get also > impression that patches which are not yet even applied to ntfs3 tree [2] > will be also sended to rc6/rc7. There is lot of refactoring and new > algorithms which imo are not rc material. I have sended many message to > Konstantin about this topic, but basically ignored. > > Basically we do not have anything for next merge window and every patch > will be sended for 5.15. > > [1] lore.kernel.org/lkml/20210925082823.fo2wm62xlcexhwvi@kari-VirtualBox > [2] https://github.com/Paragon-Software-Group/linux-ntfs3/commits/master > > Argillander > Hello. I was planning to send pull request on Friday 08.10. But there is still one panic, that wasn't resolved [1]. It seems to be tricky, so I'll be content even with quick band-aid [2]. After confirming, that it works, I plan on sending pull request. I don't want for this panic to remain in 5.15. [1]: https://lore.kernel.org/ntfs3/f9de5807-2311-7374-afb0-bc5dffb522c0@gmail.com/ [2]: https://lore.kernel.org/ntfs3/7e5b8dc9-9989-0e8a-9e8d-ae26b6e74df4@paragon-software.com/ >> >> On Wednesday 08 September 2021 21:09:38 Pali Rohár wrote: >>> On Tuesday 07 September 2021 18:35:55 Kari Argillander wrote: >>>> Other fs drivers are using iocharset= mount option for specifying charset. >>>> So add it also for ntfs3 and mark old nls= mount option as deprecated. >>>> >>>> Signed-off-by: Kari Argillander >>> >>> Reviewed-by: Pali Rohár >>> >>>> --- >>>> Documentation/filesystems/ntfs3.rst | 4 ++-- >>>> fs/ntfs3/super.c | 18 +++++++++++------- >>>> 2 files changed, 13 insertions(+), 9 deletions(-) >>>> >>>> diff --git a/Documentation/filesystems/ntfs3.rst b/Documentation/filesystems/ntfs3.rst >>>> index af7158de6fde..ded706474825 100644 >>>> --- a/Documentation/filesystems/ntfs3.rst >>>> +++ b/Documentation/filesystems/ntfs3.rst >>>> @@ -32,12 +32,12 @@ generic ones. >>>> >>>> =============================================================================== >>>> >>>> -nls=name This option informs the driver how to interpret path >>>> +iocharset=name This option informs the driver how to interpret path >>>> strings and translate them to Unicode and back. If >>>> this option is not set, the default codepage will be >>>> used (CONFIG_NLS_DEFAULT). >>>> Examples: >>>> - 'nls=utf8' >>>> + 'iocharset=utf8' >>>> >>>> uid= >>>> gid= >>>> diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c >>>> index 729ead6f2fac..503e2e23f711 100644 >>>> --- a/fs/ntfs3/super.c >>>> +++ b/fs/ntfs3/super.c >>>> @@ -226,7 +226,7 @@ enum Opt { >>>> Opt_nohidden, >>>> Opt_showmeta, >>>> Opt_acl, >>>> - Opt_nls, >>>> + Opt_iocharset, >>>> Opt_prealloc, >>>> Opt_no_acs_rules, >>>> Opt_err, >>>> @@ -245,9 +245,13 @@ static const struct fs_parameter_spec ntfs_fs_parameters[] = { >>>> fsparam_flag_no("hidden", Opt_nohidden), >>>> fsparam_flag_no("acl", Opt_acl), >>>> fsparam_flag_no("showmeta", Opt_showmeta), >>>> - fsparam_string("nls", Opt_nls), >>>> fsparam_flag_no("prealloc", Opt_prealloc), >>>> fsparam_flag("no_acs_rules", Opt_no_acs_rules), >>>> + fsparam_string("iocharset", Opt_iocharset), >>>> + >>>> + __fsparam(fs_param_is_string, >>>> + "nls", Opt_iocharset, >>>> + fs_param_deprecated, NULL), >>>> {} >>>> }; >>>> >>>> @@ -346,7 +350,7 @@ static int ntfs_fs_parse_param(struct fs_context *fc, >>>> case Opt_showmeta: >>>> opts->showmeta = result.negated ? 0 : 1; >>>> break; >>>> - case Opt_nls: >>>> + case Opt_iocharset: >>>> kfree(opts->nls_name); >>>> opts->nls_name = param->string; >>>> param->string = NULL; >>>> @@ -380,11 +384,11 @@ static int ntfs_fs_reconfigure(struct fs_context *fc) >>>> new_opts->nls = ntfs_load_nls(new_opts->nls_name); >>>> if (IS_ERR(new_opts->nls)) { >>>> new_opts->nls = NULL; >>>> - errorf(fc, "ntfs3: Cannot load nls %s", new_opts->nls_name); >>>> + errorf(fc, "ntfs3: Cannot load iocharset %s", new_opts->nls_name); >>>> return -EINVAL; >>>> } >>>> if (new_opts->nls != sbi->options->nls) >>>> - return invalf(fc, "ntfs3: Cannot use different nls when remounting!"); >>>> + return invalf(fc, "ntfs3: Cannot use different iocharset when remounting!"); >>>> >>>> sync_filesystem(sb); >>>> >>>> @@ -528,9 +532,9 @@ static int ntfs_show_options(struct seq_file *m, struct dentry *root) >>>> if (opts->dmask) >>>> seq_printf(m, ",dmask=%04o", ~opts->fs_dmask_inv); >>>> if (opts->nls) >>>> - seq_printf(m, ",nls=%s", opts->nls->charset); >>>> + seq_printf(m, ",iocharset=%s", opts->nls->charset); >>>> else >>>> - seq_puts(m, ",nls=utf8"); >>>> + seq_puts(m, ",iocharset=utf8"); >>>> if (opts->sys_immutable) >>>> seq_puts(m, ",sys_immutable"); >>>> if (opts->discard) >>>> -- >>>> 2.25.1 >>>>