linux-kernel - Re: CONFIG_VFAT_FS

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Date:	Fri, 3 Jul 2009 04:09:50 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	tridge@...ba.org
cc:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	Theodore Tso <tytso@....edu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Pavel Machek <pavel@....cz>, john.lanza@...ux.com,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>, corbet@....net,
	jcm@...masters.org
Subject: Re: CONFIG_VFAT_FS_DUALNAMES regressions


On Friday 2009-07-03 03:59, tridge@...ba.org wrote:
>
> > The cam does not have a problem with long filenames 牴 
>
>That is curious. When you use a long filename (ie. a real long
>filename, not a mixed case 8.3 name), if you ask the camera for
>details on the photo,

No-no, as previously mentioned it ignores filenames not in the
format of dscf????.jpg. But if I interpret the hexdump right,
standard Linux creates a long name *anyway*, even for names
fitting in 8.3, if it's lowercase:

│00bce510 79 39 79 39 03 00 f5 5b-79 39 95 4b 00 00 00 00 |y9y9? ?[y9?K    |    
│00bce520 41 67 00 6f 00 64 00 64-00 61 00 0f 00 27 6d 00 |Ag o d d a ? 'm |    
│00bce530 6e 00 2e 00 7a 00 69 00-70 00 00 00 00 00 ff ff |n . z i p     ??|    
│00bce540 47 4f 44 44 41 4d 4e 20-5a 49 50 20 00 64 d2 20 |GODDAMN ZIP  d? |    
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