[RFC] what's the point of register_filesystem() in drivers/dax/super.c?

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To: Dan Williams <dan.j.williams@xxxxxxxxx>
Subject: [RFC] what's the point of register_filesystem() in drivers/dax/super.c?
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sat, 16 Mar 2019 16:23:54 +0000
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
User-agent: Mutt/1.10.1 (2018-07-13)

	It's not user-mountable, kern_mount() doesn't care about
looking it up by name, so the only effect of having it registered
is having it visible in /proc/filesystems.

	Do you need that for anything?  Because I would rather
avoid more of that voodoo...

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