From: James Bottomley <James.Bottomley@SteelEye.com>
To: Luben Tuikov <luben_tuikov@adaptec.com>
Cc: Mike Anderson <andmike@us.ibm.com>,
Alan Stern <stern@rowland.harvard.edu>,
SCSI development list <linux-scsi@vger.kernel.org>,
Mohammed Sameer <uniball@gmx.net>,
USB users list <linux-usb-users@lists.sourceforge.net>
Subject: Re: BUG: CD driver sends command during host removal
Date: 29 Sep 2004 17:26:04 -0400 [thread overview]
Message-ID: <1096493170.2124.150.camel@mulgrave> (raw)
In-Reply-To: <415B271F.7080902@adaptec.com>
On Wed, 2004-09-29 at 17:20, Luben Tuikov wrote:
> Is it possible that there could be a slight race when
> the LLDD starts calling scsi_done() on pending commands,
> _after_ it has called scsi_remove_host()?
No, because it starts failing commmands *before* it calls
scsi_remove_host().
> BTW, why have/leave two alternate paths for this behavior?
> This may bite us back in the future when things get more
> complicated, i.e. dealing with more complicated devices,
> transports, etc.
Certain LLDs have no internal track of outstanding commands.
James
next prev parent reply other threads:[~2004-09-29 21:26 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20040926082926.GA1944@uniball>
2004-09-27 18:18 ` BUG: CD driver sends command during host removal Alan Stern
2004-09-27 18:51 ` Mohammed Sameer
2004-09-29 16:06 ` Luben Tuikov
2004-09-29 16:55 ` Alan Stern
2004-09-29 17:09 ` Mike Anderson
2004-09-29 18:02 ` Luben Tuikov
2004-09-29 18:09 ` James Bottomley
2004-09-29 18:58 ` Luben Tuikov
2004-09-29 19:39 ` James Bottomley
2004-09-29 19:01 ` Alan Stern
2004-09-29 19:27 ` Mike Anderson
2004-09-29 19:33 ` Luben Tuikov
2004-09-29 19:50 ` James Bottomley
2004-09-29 20:31 ` Mike Anderson
2004-09-29 20:41 ` James Bottomley
2004-09-29 21:07 ` Mike Anderson
2004-09-29 21:14 ` James Bottomley
2004-09-29 21:20 ` Luben Tuikov
2004-09-29 21:26 ` James Bottomley [this message]
2004-09-29 21:20 ` Alan Stern
2004-10-02 23:57 ` Mohammed Sameer
2004-10-11 19:20 Alan Stern
2004-10-11 19:36 ` James Bottomley
2004-10-11 20:03 ` Alan Stern
2004-10-11 20:12 ` James Bottomley
2004-10-11 20:40 ` Mike Anderson
2004-10-11 21:15 ` James Bottomley
2004-10-11 23:13 ` Mike Anderson
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