From: Mike Christie <michaelc@cs.wisc.edu>
To: dgilbert@interlog.com
Cc: SCSI development list <linux-scsi@vger.kernel.org>,
Jeremy Linton <jlinton@tributary.com>
Subject: Re: [PATCH] SG_SCSI_RESET ioctl: add no_escalate values
Date: Fri, 15 Feb 2013 15:48:35 -0600 [thread overview]
Message-ID: <511EAD33.7000901@cs.wisc.edu> (raw)
In-Reply-To: <511E8EF7.3010004@interlog.com>
On 02/15/2013 01:39 PM, Douglas Gilbert wrote:
> Further to the thread titled: "[PATCH] SG_SCSI_RESET ioctl should
> only perform requested operation" by Jeremy Linton a patch
> is presented that adds "no_escalate" versions to the existing
> ioctl. This should not break any existing code.
>
> This patches applies to lk 3.7.7 and lk 3.8.0-rc7 . I will extend
> sg_reset in the sg3_utils package to use it.
>
> ChangeLog:
> - modify SG_SCSI_RESET ioctl so the SG_SCSI_RESET_NO_ESCALATE
> value may be added to the existing values. If so the existing
> device->target->bus->host escalation does not occur.
> - modify scsi_reset_provider() in the scsi_error.c file in a
> similar way to support this new functionality.
>
> Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Some drivers rely on more invasive eh callbacks to be called if they
return FAILED in a eh callbacks. Is there a way for drivers to tell
scsi-ml it needs the old behavior?
next prev parent reply other threads:[~2013-02-15 21:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-15 19:39 [PATCH] SG_SCSI_RESET ioctl: add no_escalate values Douglas Gilbert
2013-02-15 19:46 ` Jeremy Linton
2013-02-15 21:48 ` Mike Christie [this message]
2013-02-15 23:32 ` Douglas Gilbert
2013-02-16 5:45 ` Michael Christie
2013-02-16 6:44 ` Michael Christie
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