linux-kernel - Re: [PATCH] fs: make d_path-like functions all have unsigned size

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Message-ID: <YP/mZjsOVsvTmV11@kroah.com>
Date:   Tue, 27 Jul 2021 12:56:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Ahmed S. Darwish" <a.darwish@...utronix.de>
Cc:     viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jordy Zomer <jordy@...ing.systems>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH] fs: make d_path-like functions all have unsigned size

On Tue, Jul 27, 2021 at 12:49:52PM +0200, Ahmed S. Darwish wrote:
> On Tue, Jul 27, 2021, Greg Kroah-Hartman wrote:
> >
> > Resolve all of the abuguity by just making "size" an unsigned value,
> > which takes the guesswork out of everything involved.
> >
> 
> Pardon my ignorance, but why not size_t instead of an unsigned int? I
> feel it will be more clear this way; but, yes, on 64-bit machines this
> will extend the buflen param to 64-bit.

I have no objection moving it to size_t, but as you say, I don't think
it's needed to make the buffer get that big.

thanks,

greg k-h