linux-kernel - Re: [PATCH] libata: Handle bay devices in dock stations

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <48466E8E.9070108@garzik.org>
Date:	Wed, 04 Jun 2008 06:29:34 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Jeff Garzik <jeff@...zik.org>, linux-kernel@...r.kernel.org,
	Tejun Heo <htejun@...il.com>, linux-ide@...r.kernel.org,
	linux-acpi@...r.kernel.org, Matthew Garrett <mjg59@...f.ucam.org>,
	akpm@...ux-foundation.org
Subject: Re: [PATCH] libata: Handle bay devices in dock stations

Holger Macht wrote:
> * Differentiate between bay devices in dock stations and others:
> 
>  - When an ACPI_NOTIFY_EJECT_REQUEST appears, just signal uevent to
>    userspace (that is when the optional eject button on a bay device is
>    pressed/pulled) giving the possibility to unmount file systems and to
>    clean up. Also, only send uevent in case we get an EJECT_REQUEST
>    without doing anything else. In other cases, you'll get an add/remove
>    event because libata attaches/detaches the device.
> 
>  - In case of a dock event, which in turn signals an
>    ACPI_NOTIFY_EJECT_REQUEST, immediately detach the device, because it
>    may already have been gone
> 
> * In case of an ACPI_NOTIFY_DEVICE/BUS_CHECK, evaluate _STA to check if
>   the device has been plugged or unplugged. If plugged, hotplug it, if
>   unplugged, just signal event to userspace
>   (initial patch by Matthew Garrett <mjg59@...f.ucam.org>)
> 
> * Call ACPI _EJ0 for detached devices
> 
> Signed-off-by: Holger Macht <hmacht@...e.de>
> ---
> 
> Previous patch differences:
>  * Remove one call to ata_port_freeze
>  * Add some documentation from Tejun

applied


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/