From: Linus Torvalds <torvalds@transmeta.com>
To: Alexander Viro <viro@math.psu.edu>
Cc: Jens Axboe <axboe@suse.de>, <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] change of ->bd_op->open() semantics
Date: Fri, 24 May 2002 13:25:35 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.44.0205241323240.11918-100000@home.transmeta.com> (raw)
In-Reply-To: <Pine.GSO.4.21.0205241603270.9792-100000@weyl.math.psu.edu>
On Fri, 24 May 2002, Alexander Viro wrote:
>
> It has an additional benefit of killing the array of default
> queues on the same pass - a thing we will need to do sooner or later
> anyway.
I'd like to see this, because we want to make the "find the right queue" a
much more expensive operation (no longer some fairly simple mapping from
major number - a more dynamic and general "register this queue for minors
xxxx-yyyy of major zzz").
Doing it just once at open() time allows for that to happen without any
performance downside.
Linus
next prev parent reply other threads:[~2002-05-24 20:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-24 20:12 [RFC] change of ->bd_op->open() semantics Alexander Viro
2002-05-24 20:25 ` Linus Torvalds [this message]
2002-05-24 21:15 ` Martin Dalecki
2002-05-24 22:47 ` Alexander Viro
2002-05-24 22:17 ` Martin Dalecki
2002-05-25 0:24 Andries.Brouwer
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