linux-kernel - Re: [PATCH] Add CONFIG_VFAT_NO_CREATE_WITH

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Message-ID: <87bpqbaji9.fsf@devron.myhome.or.jp>
Date:	Sat, 02 May 2009 19:26:06 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
Cc:	Andrew Tridgell <tridge@...ba.org>,
	Steve French <sfrench@...ibm.com>,
	Mingming Cao <cmm@...ibm.com>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH] Add CONFIG_VFAT_NO_CREATE_WITH_LONGNAMES option

OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> writes:

> OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> writes:
>
>> Dave Kleikamp <shaggy@...ux.vnet.ibm.com> writes:
>>
>>> Subject: [PATCH] Add CONFIG_VFAT_NO_CREATE_WITH_LONGNAMES option
>>>
>>> When this option is enabled the VFAT filesystem will refuse to create
>>> new files with long names. Accessing existing files with long names
>>> will continue to work.
>>>
>>> File names to be created must conform to the 8.3 format.  Mixed case is
>>> not allowed in either the prefix or the suffix.
>>
>> I'll answer to only technical part. This patch creates different name
>> internally, without renaming dcache. Are you really sure if that's ok?
>
> Ah, sorry. I'm missing (is_shortname == 0) part.

Um.., probably, this patch would be handle the invalid chars for 8.3 alias.
Otherwise, it'll try to create ~<num> postfix, and I guess it'll become
the dcache problem.

Thanks.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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