linux-kernel - Re: [PATCH v2 5/6] debugfs: add debugfs_create_atomic64_t for atomic64

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Message-ID: <ZC2cC+I1KTyD8UcC@bombadil.infradead.org>
Date:   Wed, 5 Apr 2023 09:04:27 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     david@...hat.com, patches@...ts.linux.dev,
        linux-modules@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, pmladek@...e.com,
        petr.pavlu@...e.com, prarit@...hat.com, gregkh@...uxfoundation.org,
        rafael@...nel.org, christophe.leroy@...roup.eu, tglx@...utronix.de,
        peterz@...radead.org, song@...nel.org, rppt@...nel.org,
        dave@...olabs.net, willy@...radead.org, vbabka@...e.cz,
        mhocko@...e.com, dave.hansen@...ux.intel.com,
        colin.i.king@...il.com, jim.cromie@...il.com,
        catalin.marinas@....com, jbaron@...mai.com,
        rick.p.edgecombe@...el.com
Subject: Re: [PATCH v2 5/6] debugfs: add debugfs_create_atomic64_t for
 atomic64_t

On Wed, Apr 05, 2023 at 08:26:18AM -0700, Linus Torvalds wrote:
> So I realize why you use atomic64, but I really suspect you'd be
> better off with just the regular "atomic_long".

<-- snip --> 

> So something like
> 
>         debugfs_create_ulong(... &val->counter ..);
> 
> instead of
> 
>         debugfs_create_atomic64(... &val ..);
> 
> Hmm?

We already have debugfs_create_ulong(), it just uses unsigned long
with no atomic_long. I can just use that then.

  Luis