Re: /sys/block vs. /sys/class/block
From: Nick Piggin (nickpiggin_at_yahoo.com.au)
Date: 12/20/04
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Date: Mon, 20 Dec 2004 19:16:45 +1100 To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt wrote:
> I'm trying to understand why we have /sys/block instead
> of /sys/class/block, and so far, I haven't found a single good argument
> justifying it... It just messes up the so far logical layout of sysfs
> for no apparent reason.
>
> I also didn't find where /sys/block is created, but that's maybe because
> I didn't search too hard :) So I'm not coming up with a patch yet, but
> unless somebody can convince me it should stay here, I'll do so soon.
>
> If the reason not to fix it is backward compatibility, then that would
> really be a shame we managed already to turn the brand new sysfs into a
> mess with no hope of fixing it... If there is really a problem there,
> maybe we could move it and keep a compat symlink for a few kernel
> revs... ?
>
Seems like that's where it belongs.
The reason why it is in /sys/block is because it is apparently a "subsystem",
and using decl_subsys - drivers/block/genhd.c
Nick
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- Previous message: Matthew Dharm: "Re: RFC: [2.6 patch] let BLK_DEV_UB depend on EMBEDDED"
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