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From: Douglas Gilbert <dgilbert@interlog.com>
To: Konrad Rzeszutek Wilk <konrad@kernel.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@suse.de>, Greg KH <greg@kroah.com>,
	linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
	alsa-devel@alsa-project.org, Jens Axboe <axboe@kernel.dk>,
	Stephen Hemminger <shemminger@vyatta.com>,
	Kay Sievers <kay.sievers@vrfy.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	"James E.J. Bottomley" <James.Bottomley@suse.de>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	Randy Dunlap <randy.dunlap@oracle.com>, Tejun Heo <tj@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>,
	Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	David Howells <dhowells@redhat.com>,
	Dave Airlie <airlied@gmail.com>
Subject: Re: [PATCH] driver core: remove CONFIG_SYSFS_DEPRECATED
Date: Thu, 15 Jul 2010 12:24:33 -0400	[thread overview]
Message-ID: <4C3F3641.8020802@interlog.com> (raw)
In-Reply-To: <201007150929.03916.konrad@kernel.org>

On 10-07-15 09:29 AM, Konrad Rzeszutek Wilk wrote:
>
>>> and the box still won't boot.
>>
>> The reason FC6 doesn't boot is there is a userspace tool
>> I believe in the initrd that cares about symlinks when it should
>> not.
>
> It is not just nash. Also multipathd would fail (as it expects
> the /sys/scsi_host/..<something>  in certain directories), and 'lsscsi'. There
> might be other tools that depend on libsysfs to be affected by this as well.

lsscsi has been "CONFIG_SYSFS_DEPRECATED_V2" tolerant
since version 0.21 released 20080710. The current
version is 0.23 released 20091201 which will soon
be displaced by 0.24 to cope with the most recent
breakages.

Writing a user space tool that relies on sysfs structure
and contents, stable over the whole lk 2.6 series, is
impossible. For a history of my pain with lsscsi see
its ChangeLog.


Happily most of my tools are based on an ioctl! SG_IO
was a suggestion from Joerg Schilling and has now found
its way into most block devices. Now it has a new lease
of life in the bsg driver.

Doug Gilbert



  parent reply	other threads:[~2010-07-15 16:24 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-09 18:54 [PATCH] driver core: remove CONFIG_SYSFS_DEPRECATED Greg Kroah-Hartman
2010-07-14 23:38 ` Andrew Morton
2010-07-14 23:38   ` Andrew Morton
2010-07-15  0:24   ` Dave Airlie
2010-07-15  0:24     ` [alsa-devel] " Dave Airlie
2010-07-15  4:14     ` Greg KH
2010-07-15  5:00       ` Dave Airlie
2010-07-15  5:00         ` [alsa-devel] " Dave Airlie
2010-07-15  5:35         ` Greg KH
2010-07-15  6:32           ` Dave Airlie
2010-07-15  6:32             ` [alsa-devel] " Dave Airlie
2010-07-15  7:56             ` Greg KH
2010-07-15  0:40   ` Eric W. Biederman
2010-07-15  4:16     ` Greg KH
2010-07-15  4:29       ` Eric W. Biederman
2010-07-15  4:44         ` Greg KH
2010-07-15 13:29     ` Konrad Rzeszutek Wilk
2010-07-15 14:27       ` Greg KH
2010-07-15 14:27         ` Greg KH
2010-07-15 16:24       ` Douglas Gilbert [this message]
2010-07-15 17:02         ` Greg KH
2010-07-15  3:52   ` Greg KH
2010-07-15  8:31     ` Kay Sievers
2010-07-15  8:31       ` Kay Sievers
2010-07-15  8:36       ` Andrew Morton
2010-07-15  8:36         ` Andrew Morton
2010-07-15  8:51         ` Kay Sievers
2010-07-15  8:51           ` Kay Sievers
2010-07-23 12:40   ` Greg KH
2010-07-23 12:40     ` Greg KH

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