From: James Bottomley <James.Bottomley@SteelEye.com>
To: Mark Lord <lsml@rtr.ca>
Cc: Anton Blanchard <anton@samba.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: Core scsi layer crashes in 2.6.8.1
Date: 05 Oct 2004 09:56:00 -0500 [thread overview]
Message-ID: <1096988167.2064.7.camel@mulgrave> (raw)
In-Reply-To: <4162B345.9000806@rtr.ca>
On Tue, 2004-10-05 at 09:44, Mark Lord wrote:
> There seem to be other holes/races in this and related code.
>
> The QStor driver implements hot insertion/removal of drives.
>
> One thing it has to cope with at present is, after notifying
> the mid-layer that a drive has been removed, the mid-layer calls
> back with a synchronize-cache command for that drive..
This is expected behaviour. For orderly removal an cache sync command
must be sent to drives with a writeback cache before they're powered
down. For forced ejection, the driver has to error the command.
James
next prev parent reply other threads:[~2004-10-05 14:56 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-28 20:03 Core scsi layer crashes in 2.6.8.1 Alan Cox
2004-09-29 14:11 ` James Bottomley
2004-09-29 13:24 ` Alan Cox
2004-09-29 14:34 ` James Bottomley
2004-09-29 14:27 ` Matthew Wilcox
2004-10-05 11:49 ` Anton Blanchard
2004-10-05 13:56 ` James Bottomley
2004-10-05 14:44 ` Mark Lord
2004-10-05 14:56 ` James Bottomley [this message]
2004-10-05 15:46 ` Mark Lord
2004-10-05 15:49 ` Oliver Neukum
2004-10-05 15:54 ` James Bottomley
2004-10-05 15:57 ` Mark Lord
2004-10-05 16:01 ` James Bottomley
2004-10-05 16:53 ` Jeff Garzik
2004-10-05 16:01 ` Oliver Neukum
2004-10-05 16:07 ` James Bottomley
2004-10-05 16:26 ` Oliver Neukum
2004-10-05 16:38 ` James Bottomley
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