Messages in this thread | | | Date | Sun, 24 Nov 2013 09:28:22 -0500 | From | Tejun Heo <> | Subject | Re: [PATCHSET driver-core-next] sysfs: separate out kernfs, take #3 |
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Hello,
On Sun, Nov 24, 2013 at 01:16:02AM -0800, Christoph Hellwig wrote: > It would be highly useful if you could explain us what kernfs is > supposed to do and why we're cheerfully waiting for it. Also given
Oops, sorry about that. It was explained in earlier series but I probably should carry on a simplified explanation on later ones too. It's just separating out the core features of sysfs into a separate filesystem so that it can be used by non-kobject based users too. So, kernfs implements the core pseudo file functionality and sysfs becomes kobject-wrapping layer on top of it. I'm gonna convert cgroup to use kernfs and Greg seems to have some plans for debugfs, IIUC.
> that you touch VFS core files please Cc linux-fsdevel for those and > explain them in detail.
Does it? Ah, okay, fs/Makefile and fs/namespace.c. The former is just adding kernfs/ directory and the latter is splitting out kernfs_init() from sysfs_init() call. Both are trivial. Will cc linux-fsdevel on those patches.
Thanks.
-- tejun
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