From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Steven Dake <scd@broked.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux1394-devel@lists.sourceforge.net
Subject: Re: [PATCH] [RFC] Advanced TCA Disk Hotswap support in Linux Kernel [core 1/2]
Date: 11 Oct 2002 11:40:21 +0100 [thread overview]
Message-ID: <1034332821.7042.60.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <004401c270c4$4bbe2a50$0200000a@persist>
On Fri, 2002-10-11 at 02:19, Steven Dake wrote:
> This mechanism is far superior to /proc/scsi/scsi because it:
> 1) provides true FibreChannel hotswap support (at this point qlogic FC
> HBAs)
> 2) is programmatic such that errors can be reported from kernel to user
> without looking is /var/log/.
> 3) Provides superior response times vs opening a file and writing to
> proc.
> 4) Easier to control from kernel and user via C APIs vs using
> open/write.
Doesn't seem to have any locking/ Thats a scsi layer problem that does
need tackling to mke hotswap actually work well. At the very least the
host queue needs locks and probably the hosts need refcounting now
next prev parent reply other threads:[~2002-10-11 10:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-11 1:19 Steven Dake
2002-10-11 10:40 ` Alan Cox [this message]
2002-10-11 15:27 ` Randy.Dunlap
[not found] <002901c27143$53cb5fe0$0200000a@persist>
2002-10-12 4:15 ` Randy.Dunlap
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