Re: [PATCH 00/11] nfs refcount conversions

[J. Bruce Fields]

On Fri, Oct 20, 2017 at 12:53:27PM +0300, Elena Reshetova wrote:
> This series, for nfs components, replaces atomic_t reference
> counters with the new refcount_t type and API (see include/linux/refcount.h).
> By doing this we prevent intentional or accidental
> underflows or overflows that can led to use-after-free vulnerabilities.
> 
> The patches are fully independent and can be cherry-picked separately.
> If there are no objections to the patches, please merge them via respective trees.
> 
> Rebased on top of linux-next.
> 
> Elena Reshetova (11):
>   fs, nfsd: convert nfs4_stid.sc_count from atomic_t to refcount_t
>   fs, nfsd: convert nfs4_cntl_odstate.co_odcount from atomic_t to
>     refcount_t
>   fs, nfsd: convert nfs4_file.fi_ref from atomic_t to refcount_t

Thanks, applying for 4.15.

I haven't followed recent discussion on the refcount api, but I assume
the consensus is to do this, and these particular conversions certainly
look trivial enough.

--b.