From: Pavel Machek <pavel@ucw.cz>
To: Randy Dunlap <randy_d_dunlap@linux.intel.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
scsi <linux-scsi@vger.kernel.org>,
linux-ide@vger.kernel.org, akpm@osdl.org, jgarzik@pobox.com,
james.bottomley@steeleye.com
Subject: Re: [PATCH 12/13] ATA ACPI: use scsi_bus_shutdown for SATA/PATA
Date: Tue, 28 Feb 2006 12:58:58 +0100 [thread overview]
Message-ID: <20060228115858.GF4081@elf.ucw.cz> (raw)
In-Reply-To: <20060222140608.2de3fa24.randy_d_dunlap@linux.intel.com>
Hi!
> From: Randy Dunlap <randy_d_dunlap@linux.intel.com>
>
> Add ability for SCSI drivers to invoke a shutdown method.
> This allows drivers to make drives safe for shutdown/poweroff,
> for example. Some drives need this to prevent possible problems.
>
> Signed-off-by: Randy Dunlap <randy_d_dunlap@linux.intel.com>
> --- linux-2616-rc4-ata.orig/drivers/scsi/scsi_sysfs.c
> +++ linux-2616-rc4-ata/drivers/scsi/scsi_sysfs.c
> @@ -302,11 +302,27 @@ static int scsi_bus_resume(struct device
> return err;
> }
>
> +static void scsi_bus_shutdown(struct device * dev)
> +{
> + struct scsi_device *sdev = to_scsi_device(dev);
> + struct scsi_host_template *sht = sdev->host->hostt;
> + int err;
> +
> + err = scsi_device_quiesce(sdev);
int err = scsi_device_quiesce()?
> + if (err)
> + printk(KERN_DEBUG "%s: error (0x%x) during shutdown\n",
> + __FUNCTION__, err);
If you get an error, and then ignore it... that should not be DEBUG
message, right?
> + if (sht->shutdown)
> + sht->shutdown(sdev);
> +}
> +
> struct bus_type scsi_bus_type = {
> .name = "scsi",
> .match = scsi_bus_match,
> .suspend = scsi_bus_suspend,
> .resume = scsi_bus_resume,
> + .shutdown = scsi_bus_shutdown,
> };
Whitespace?
Pavel
--
Web maintainer for suspend.sf.net (www.sf.net/projects/suspend) wanted...
next prev parent reply other threads:[~2006-02-28 12:03 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060222133241.595a8509.randy_d_dunlap@linux.intel.com>
2006-02-22 21:40 ` [PATCH 1/13] ATA ACPI: Makefile/Kconfig/doc Randy Dunlap
2006-02-22 21:51 ` [PATCH 2/13] ATA ACPI: debugging infrastructure Randy Dunlap
2006-02-28 11:45 ` Pavel Machek
2006-02-28 12:00 ` Jeff Garzik
2006-02-28 12:04 ` Pavel Machek
2006-02-28 12:13 ` Jeff Garzik
2006-02-28 12:18 ` Andrew Morton
2006-02-28 12:31 ` Jeff Garzik
2006-02-28 18:35 ` Andrew Morton
2006-02-28 19:27 ` Jeff Garzik
2006-02-28 14:43 ` Mark Lord
2006-02-28 19:22 ` Randy Dunlap
2006-02-28 17:10 ` Phillip Susi
2006-03-01 10:29 ` James Courtier-Dutton
2006-03-01 10:45 ` Andrew Morton
2006-02-22 21:52 ` [PATCH 3/13] ATA ACPI: SATA methods Randy Dunlap
2006-02-22 21:54 ` [PATCH 4/13] ATA ACPI: add params/docs Randy Dunlap
2006-02-28 11:46 ` Pavel Machek
2006-02-28 11:57 ` Jeff Garzik
2006-02-22 21:55 ` [PATCH 5/13] ATA ACPI: use debugging macros Randy Dunlap
2006-02-28 11:47 ` Pavel Machek
2006-02-28 11:58 ` Jeff Garzik
2006-02-22 21:56 ` [PATCH 6/13] ATA ACPI: use correct acpi_object pointer Randy Dunlap
2006-02-22 21:58 ` [PATCH 7/13] ATA ACPI: more Makefile/Kconfig Randy Dunlap
2006-02-28 11:49 ` Pavel Machek
2006-02-28 12:03 ` Jeff Garzik
2006-02-28 15:27 ` Randy.Dunlap
2006-02-22 21:58 ` [PATCH 8/13] ATA ACPI: PATA methods Randy Dunlap
2006-02-28 11:55 ` Pavel Machek
2006-02-28 12:02 ` Jeff Garzik
2006-02-22 22:00 ` [PATCH 9/13] ATA ACPI: check SATA/PATA more carefully Randy Dunlap
2006-02-23 0:30 ` Alan Cox
2006-02-22 22:01 ` [PATCH 10/13] ATA ACPI: do taskfile before mode commands Randy Dunlap
2006-02-28 11:57 ` Pavel Machek
2006-02-28 12:05 ` Jeff Garzik
2006-02-28 12:08 ` Pavel Machek
2006-02-28 12:14 ` Jeff Garzik
2006-02-22 22:02 ` [PATCH 11/13] ATA ACPI: fix pata host typo Randy Dunlap
2006-02-22 22:06 ` [PATCH 12/13] ATA ACPI: use scsi_bus_shutdown for SATA/PATA Randy Dunlap
2006-02-28 11:58 ` Pavel Machek [this message]
2006-02-28 19:44 ` Randy Dunlap
2006-02-28 20:22 ` Pavel Machek
2006-02-22 22:07 ` [PATCH 13/13] ATA ACPI: enable writing PATA taskfiles Randy Dunlap
2006-02-28 11:59 ` Pavel Machek
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