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Message-ID: <20010211223011.H3748@bug.ucw.cz>
Date: Sun, 11 Feb 2001 22:30:11 +0100
From: Pavel Machek <pavel@suse.cz>
To: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>,
        Pavel Machek <pavel@suse.cz>
Cc: Linus Torvalds <torvalds@transmeta.com>, Jens Axboe <axboe@suse.de>,
        Marcelo Tosatti <marcelo@conectiva.com.br>,
        Manfred Spraul <manfred@colorfullife.com>,
        Ben LaHaise <bcrl@redhat.com>, Ingo Molnar <mingo@elte.hu>,
        "Stephen C. Tweedie" <sct@redhat.com>,
        Alan Cox <alan@lxorguk.ukuu.org.uk>, Steve Lord <lord@sgi.com>,
        Linux Kernel List <linux-kernel@vger.kernel.org>,
        kiobuf-io-devel@lists.sourceforge.net, Ingo Molnar <mingo@redhat.com>
Subject: Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait
In-Reply-To: <20010208001513.B189@bug.ucw.cz> <Pine.LNX.3.96.1010208145857.24587C-100000@artax.karlin.mff.cuni.cz>
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In-Reply-To: <Pine.LNX.3.96.1010208145857.24587C-100000@artax.karlin.mff.cuni.cz>; from Mikulas Patocka on Thu, Feb 08, 2001 at 03:52:35PM +0100
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Hi!

> > So you consider inability to select() on regular files _feature_?
> 
> select on files is unimplementable. You can't do background file IO the
> same way you do background receiving of packets on socket. Filesystem is
> synchronous. It can block. 

You can use helper friends if VFS layer is not able to handle
background IO. Then we can do it right in linux-4.4.
								Pavel

-- 
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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