From mboxrd@z Thu Jan  1 00:00:00 1970
From: Helge Hafting <helge.hafting@hist.no>
Subject: Re: The argument for fs assistance in handling archives
Date: Fri, 03 Sep 2004 10:28:39 +0200
Message-ID: <41382B37.1000901@hist.no>
References: <20040826150202.GE5733@mail.shareable.org> <200408282314.i7SNErYv003270@localhost.localdomain> <20040901200806.GC31934@mail.shareable.org> <Pine.LNX.4.58.0409011311150.2295@ppc970.osdl.org> <20040902002431.GN31934@mail.shareable.org> <413694E6.7010606@slaphack.com> <Pine.LNX.4.58.0409012037300.2295@ppc970.osdl.org> <4136A14E.9010303@slaphack.com> <Pine.LNX.4.58.0409012259340.2295@ppc970.osdl.org> <4136C876.5010806@namesys.com> <Pine.LNX.4.58.0409020030220.2295@ppc970.osdl.org> <4136E0B6.4000705@namesys.com> <4699bb7b04090202121119a57b@mail.gmail.com> <4136E756.8020105@hist.no> <4699bb7b0409020245250922f9@mail.gmail.com>            <812032218.20040902120259@tnonline.net> <200409022239.i82MdmnO015327@turing-police.cc.vt.edu>
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To: Valdis.Kletnieks@vt.edu
Cc: Spam <spam@tnonline.net>, Oliver Hunt <oliverhunt@gmail.com>, Hans Reiser <reiser@namesys.com>, Linus Torvalds <torvalds@osdl.org>, David Masover <ninja@slaphack.com>, Jamie Lokier <jamie@shareable.org>, Horst von Brand <vonbrand@inf.utfsm.cl>, Adrian Bunk <bunk@fs.tum.de>, viro@parcelfarce.linux.theplanet.co.uk, Christoph Hellwig <hch@lst.de>, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Lyamin aka FLX <flx@namesys.com>, ReiserFS List <reiserfs-list@namesys.com>

Valdis.Kletnieks@vt.edu wrote:

>On Thu, 02 Sep 2004 12:02:59 +0200, Spam said:
>
>  
>
>>  The meta-data should be deleted if it the file is copied or moved to
>>  a medium that doesn't support it. However a _warning_ may be shown
>>  to the user if there is risk to loose data.
>>    
>>
>
>OK... I'll bite.  How do you report the warning to the user if you're using
>an unenhanced utility to copy a file to a file system that may be lossy?
>  
>
Well, _if_ you're using my sort of file-as-dir then you'd expect a
plain "cp" to only copy the file.  You'd use cp -a to copy the
file's subdirectory too.  If you're copying to anther filesystem
that doesn't support file-as-directory then "cp -a" won't be able
to create a directory with the same name as the file, and
will do whatever cp does in such a situation.  I.e. something like
"NAME exists but is not a directory".

Helge Hafting