Re: [git pull] vfs part 2

From: Linus Torvalds
Date: Sun Jun 21 2015 - 17:16:19 EST

On Sun, Jun 21, 2015 at 2:12 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
> + if (count > rsize) {
> + WARN_ON(1);
> + count = rsize;
> + }

So if we'd actually want to merge it with the warning, I'd prefer writing it as

if (WARN_ON_ONCE(count > rsize))
count = size;

because it's smaller and cannot spam your logs. WARN_ON_ONCE() will
only _warn_ once, but it always returns the conditional for the
warning, so the above does the right thing.

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