From: James Bottomley <James.Bottomley@steeleye.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: SCSI synchronization and error handling
Date: 30 Jun 2004 19:49:48 -0500 [thread overview]
Message-ID: <1088642994.1888.5.camel@mulgrave> (raw)
In-Reply-To: <40E317D9.80904@pobox.com>
On Wed, 2004-06-30 at 14:43, Jeff Garzik wrote:
> What's the best way to ensure that the SMART command is only executed
> after preceding, queued commands are completed? My guess is to return
> MLQUEUE_BUSY if (a) ->queuecommand is passed a non-queued command AND
> (b) there are commands queued to hardware already.
So you have to quiesce the device before issuing the smart command? In
which case, scsi_quiesce_device() is the API you want. Or is this some
type of command ordering problem you're trying to solve?
James
prev parent reply other threads:[~2004-07-01 0:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-30 19:43 SCSI synchronization and error handling Jeff Garzik
2004-07-01 0:49 ` James Bottomley [this message]
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