linux-kernel - Re: regarding major number of block extended devt

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Message-ID: <48BF2BAC.9070508@zytor.com>
Date:	Wed, 03 Sep 2008 17:28:28 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Tejun Heo <tj@...nel.org>
CC:	device@...ana.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: regarding major number of block extended devt

Tejun Heo wrote:
>>
>> (a) we can't do anything about, but (b) we can, by introducing a
>> partition number attribute in sysfs.
> 
> Yeah, that would certainly be a nice addition.  Also, if partitions
> are made proper classes, they'll be easily enumerable by
> /sys/block/*/partitions/*.
> 
> Jens, what do you think?
> 

Note that addition /partitions/ is somewhat unlikely to be useful, since 
existing code will have to search through random crap in sysfs to look 
for the partition directories anyway.

	-hpa
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