Re: [PATCH 3.2 058/221] debugfs: leave freeing a symlink body until inode eviction

[Ben Hutchings]

On Tue, 2015-06-16 at 17:33 +0100, Luis Henriques wrote:
> On Tue, May 05, 2015 at 02:16:39AM +0100, Ben Hutchings wrote:
[...]
> > [bwh: Backported to 3.2:
> >  - Plumb in debugfs_super_operations, which we didn't previously 
> > define
> 
> It looks like this is introducing a regression[1].  Basically, simply
> running df shows an error:
> 
>   df: `/sys/kernel/debug': Function not implemented
> 
> Doing 'strace df' shows the following:
> 
>   statfs64("/sys/kernel/debug", 84, 0xbfddc6bc) = -1 ENOSYS (Function 
> not implemented)
> 
> A quick test shows that adding '.statfs = simple_statfs' in the
> debugfs_super_operations struct fixes the problem, but I'm not sure
> that's the right thing to do.
[...]

It looks right to me.  I've queued up this change; thanks a lot.

Ben.

-- 
Ben Hutchings
One of the nice things about standards is that there are so many of them.

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