linux-kernel - Re: [PATCH] scsi: document generic scsi host sysfs attributes

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Message-ID: <20110818145559.37cd9e67@stein>
Date:	Thu, 18 Aug 2011 14:55:59 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
Cc:	james.bottomley@...senpartnership.com, stephenmcameron@...il.com,
	akpm@...ux-foundation.org, gregkh@...e.de,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH] scsi: document generic scsi host sysfs attributes

On Aug 17 Stephen M. Cameron wrote:
> What:		/sys/bus/scsi/devices/host*/scsi_host/host*/unchecked_isa_dma
> +Date:		February, 2003
> +KernelVersion:	Unknown
> +Contact:	James Bottomley <James.Bottomley@...senPartnership.com>
> +Description:
> +
> +What:		/sys/bus/scsi/devices/host*/scsi_host/host*/proc_name
> +Date:		March, 2004
> +KernelVersion:	Unknown
> +Contact:	James Bottomley <James.Bottomley@...senPartnership.com>
> +Description:
> +
> +What:		/sys/bus/scsi/devices/host*/scsi_host/host*/scan
> +Date:		August, 2003
> +KernelVersion:	Unknown
> +Contact:	James Bottomley <James.Bottomley@...senPartnership.com>
> +Description:
> +		Read only integer which indicates whether the host is an
> +		ancient ISA device which therefore requires extra bounce
> +		buffering.

The last description obviously belongs to unchecked_isa_dma.

scan is a write-only attribute that may or may not initiate a bus rescan,
I suppose.

proc_name is the "name of proc directory" of a driver, if the driver
maintained one; though it seems all drivers provide proc_name
independently of the obsolete proc interface for driver data.
-- 
Stefan Richter
-=====-==-== =--- =--=-
http://arcgraph.de/sr/
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