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From: Milan Broz <mbroz@redhat.com>
To: Karel Zak <kzak@redhat.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>,
	util-linux-ng@vger.kernel.org, linux-kernel@vger.kernel.org,
	axboe@kernel.dk
Subject: Re: [PATCH] loop: add some basic read-only sysfs attributes
Date: Thu, 29 Jul 2010 22:24:15 +0200	[thread overview]
Message-ID: <4C51E36F.6060906@redhat.com> (raw)
In-Reply-To: <20100729195616.GF1981@nb.net.home>

On 07/29/2010 09:56 PM, Karel Zak wrote:
>> Sure it does. Sysfs attributes need to be created _before_ uevents are
>> sent out. The current behavior is that all blockdev attributes are
>> safely created before the event is sent. These loop attributes are
>> created _after_ the event is sent.
>>
>> The question is if we can rely on the fact, that 'add' events never
>> want to look at any of these attributes, and all can be deferred to

The problem is that add_disk() initializes kobject and announces device.
How can I add some new attributes (subdir) with the current code
before it happens?

And why it is problem at all? After configuration there is always change
event and at this time attributes are there.

Milan

  parent reply	other threads:[~2010-07-29 20:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20100722101541.GU15652@nb.net.home>
2010-07-29 13:33 ` [PATCH] loop: add some basic read-only sysfs attributes Milan Broz
2010-07-29 13:47   ` Kay Sievers
2010-07-29 14:06     ` Milan Broz
2010-07-29 14:22       ` Kay Sievers
2010-07-29 14:35         ` Milan Broz
2010-07-29 14:58         ` Karel Zak
2010-07-29 16:07           ` Kay Sievers
2010-07-29 19:56             ` Karel Zak
2010-07-29 20:06               ` Karel Zak
2010-07-29 20:24               ` Milan Broz [this message]
2010-07-30  4:36                 ` Kay Sievers
2010-07-30 14:22                   ` [PATCH v2] " Milan Broz
2010-07-30 14:34                     ` Kay Sievers
2010-08-23 12:29                       ` Karel Zak
2010-08-23 12:30                         ` Jens Axboe
2010-07-30  7:37             ` [PATCH] " Karel Zak
2010-07-30  7:43               ` Kay Sievers
2010-07-30  8:01                 ` Kay Sievers

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