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From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: linux1394-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/9] firewire: fw-sbp2: wait for completion of fetch agent reset
Date: Mon, 04 Feb 2008 09:11:43 +0100	[thread overview]
Message-ID: <47A6C8BF.30204@s5r6.in-berlin.de> (raw)
In-Reply-To: <tkrat.f428e74c4b757abb@s5r6.in-berlin.de>

I wrote:
> Like the old sbp2 driver, wait for the write transaction to the
> AGENT_RESET to complete before proceeding (after login, after reconnect,
> or in SCSI error handling).
> 
> There is one occasion where AGENT_RESET is written to from atomic
> context when getting DEAD status for a command ORB.  There we still
> continue without waiting for the transaction to complete because this
> is more difficult to fix...

In addition, we need to serialize agent resets by the SCSI error handler
and the command ORB completion against ongoing reconnects/ relogins.
-- 
Stefan Richter
-=====-==--- --=- --=--
http://arcgraph.de/sr/

  reply	other threads:[~2008-02-04  8:12 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-03 22:00 [PATCH 0/9] firewire-sbp2: misc hotplug related patches Stefan Richter
2008-02-03 22:03 ` [PATCH 1/9] firewire: log GUID of new devices Stefan Richter
2008-02-04  8:14   ` Stefan Richter
2008-02-11 16:53   ` Jarod Wilson
2008-02-03 22:04 ` [PATCH 2/9] firewire: fw-sbp2: add INQUIRY delay workaround Stefan Richter
2008-02-11 17:01   ` Jarod Wilson
2008-02-03 22:07 ` [PATCH 3/9] ieee1394: sbp2: " Stefan Richter
2008-02-11 17:03   ` Jarod Wilson
2008-02-03 22:08 ` [PATCH 4/9] firewire: fw-sbp2: wait for completion of fetch agent reset Stefan Richter
2008-02-04  8:11   ` Stefan Richter [this message]
2008-02-03 22:09 ` [PATCH 5/9] firewire: fw-sbp2: log bus_id at management request failures Stefan Richter
2008-02-11 17:16   ` Jarod Wilson
2008-02-03 22:10 ` [PATCH 6/9] firewire: fw-sbp2: don't add scsi_device twice Stefan Richter
2008-02-11 17:19   ` Jarod Wilson
2008-02-11 19:42     ` Stefan Richter
2008-02-12  8:55       ` Stefan Richter
2008-02-03 22:11 ` [PATCH 7/9] firewire: fw-sbp2: logout and login after failed reconnect Stefan Richter
2008-02-11 17:32   ` Jarod Wilson
2008-02-03 22:12 ` [PATCH 8/9] firewire: fw-sbp2: sort includes Stefan Richter
2008-02-03 22:13 ` [PATCH 9/9] firewire: fw-sbp2: fix I/O errors during reconnect Stefan Richter
2008-02-11 18:09   ` Jarod Wilson
2008-02-11 20:21     ` Stefan Richter
2008-02-12  5:07       ` Jarod Wilson
2008-02-12  8:01         ` Stefan Richter
2008-02-16 15:37       ` Stefan Richter
2008-02-16 15:51         ` Stefan Richter
2008-02-04 15:54 ` [PATCH 0/9] firewire-sbp2: misc hotplug related patches John Stoffel
2008-02-04 17:48   ` Stefan Richter
2008-02-04 18:51     ` John Stoffel
2008-02-06  5:17 ` Jarod Wilson
2008-02-06 18:27   ` Stefan Richter
2008-02-06 21:09     ` [PATCH 11/9] firewire: fw-sbp2: enforce a retry of __scsi_add_device if bus generation changed Stefan Richter
2008-02-08 18:54       ` Jarod Wilson
2008-02-08 19:58         ` Stefan Richter
2008-02-08 21:33           ` [PATCH 11/9 update] " Stefan Richter
2008-02-10 18:36             ` Jarod Wilson
2008-02-16 15:01               ` Stefan Richter
2008-02-06 21:07 ` [PATCH 10/9] firewire: fw-sbp2: preemptively block sdev Stefan Richter

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