freebsd-scsi Digest, Vol 362, Issue 2
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Today's Topics:
1. Re: How is supposed to be protected the units list?
(Matthew Jacob)
2. adding a "retry command after a delay" error (Matthew Jacob)
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Message: 1
Date: Mon, 29 Mar 2010 08:36:28 -0700
From: Matthew Jacob <m...@feral.com>
Subject: Re: How is supposed to be protected the units list?
To: freebs...@freebsd.org
Message-ID: <4BB0C8FC...@feral.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Sorry for being quiet about this. I'm going to look at this again today.
It turns out where I work there is tremendous amount of pain about this
also.
> So I made this new patch using the bus lock:
> http://www.freebsd.org/~attilio/Sandvine/pdrv/xpt_lock.diff
>
> I would have preferred to have a dedicated lock for the units lists,
> but as long as you seem having strong opionion, I'm fine with it.
> Maybe Matt wants to add his refcounting modifies using this scheme if
> we came to a consensous?
>
> Thanks,
> Attilio
>
>
>
>
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Message: 2
Date: Mon, 29 Mar 2010 11:42:16 -0700
From: Matthew Jacob <m...@feral.com>
Subject: adding a "retry command after a delay" error
To: freebs...@freebsd.org
Message-ID: <4BB0F488...@feral.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
This is something I whipped up for dealing with some
active/active-after-failover-time systems. I wanted to have a general
facility to say of an ASC/ASCQ- retry the command, but after a period of
delay.
Wonder if anyone had comments?
http://people.freebsd.org/~mjacob/delay_diffs.txt
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End of freebsd-scsi Digest, Vol 362, Issue 2
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