From: "Stephen C. Tweedie" <sct@redhat.com>
To: BenHanokh Gabriel <gabriel@SANgate.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: kiobuf questions
Date: Tue, 3 Oct 2000 16:35:06 +0100 [thread overview]
Message-ID: <20001003163506.N1076@redhat.com> (raw)
In-Reply-To: <39D9EF24.491F4389@SANgate.com>; from gabriel@SANgate.com on Tue, Oct 03, 2000 at 05:37:24PM +0300
Hi,
On Tue, Oct 03, 2000 at 05:37:24PM +0300, BenHanokh Gabriel wrote:
>
> i'm trying to understand the role of the kiobuf struct in the io
> subsystem.
>
> there are 2 fields i failed to see any reference to :
> end_io and
> wait_queue
>
> now, the documentation says that this is a completion callback , but i
> never saw anyone using it.
That's because the only user of kiobuf-based IO is, for now,
synchronous. You need end_io() callbacks and a wait queue to allow
async completion in the future.
Cheers,
Stephen
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prev parent reply other threads:[~2000-10-03 15:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-03 14:37 kiobuf questions BenHanokh Gabriel
2000-10-03 15:35 ` Stephen C. Tweedie [this message]
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