From: "Petr Vandrovec" <VANDROVE@vc.cvut.cz>
To: Patrick Mochel <mochel@osdl.org>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] read() from driverfs files can read more bytes
Date: Thu, 7 Feb 2002 21:11:10 +0100 [thread overview]
Message-ID: <1126CC346B32@vcnet.vc.cvut.cz> (raw)
On 7 Feb 02 at 10:27, Patrick Mochel wrote:
> Concerning reading/writing from offsets, it's up to the drivers for them
> to either support it or not. In the files I've done so far, I return 0 if
> show() is called with an offset. Which will give different results if you
> read byte-by-byte or an entire chunk.
>
> It makes the callbacks simpler, but it is not technically correct.
What about extremelly nice stuff Al Viro made for us in
fs/seq_file.c ? It made putting stuff into procfs really easy...
Petr Vandrovec
vandrove@vc.cvut.cz
next reply other threads:[~2002-02-07 20:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-07 20:11 Petr Vandrovec [this message]
2002-02-07 20:21 ` Patrick Mochel
2002-02-07 20:26 ` Alexander Viro
2002-02-07 20:59 ` Patrick Mochel
2002-02-07 21:37 ` Alexander Viro
-- strict thread matches above, loose matches on Subject: below --
2002-02-07 18:15 Petr Vandrovec
2002-02-07 18:27 ` Patrick Mochel
2002-02-08 19:18 ` Pavel Machek
2002-02-07 18:11 Thomas Hood
2002-02-07 17:25 Petr Vandrovec
2002-02-07 17:43 ` Patrick Mochel
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