linux-kernel - Re: [GIT PULL] overlayfs updates for 6.13

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Message-ID: <20241123061407.GR3387508@ZenIV>
Date: Sat, 23 Nov 2024 06:14:07 +0000
From: Al Viro <viro@...iv.linux.org.uk>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Amir Goldstein <amir73il@...il.com>, Miklos Szeredi <miklos@...redi.hu>,
	Christian Brauner <brauner@...nel.org>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-unionfs@...r.kernel.org
Subject: Re: [GIT PULL] overlayfs updates for 6.13

On Fri, Nov 22, 2024 at 10:09:04PM -0800, Linus Torvalds wrote:

>  (a) add a new "dup_cred()" helper
> 
>     /* Get the cred without clearing the 'non_rcu' flag */
>     const struct cred *dup_cred(const struct cred *cred)
>     { get_new_cred((struct cred *)cred); return cred; }

Umm...  Something like hold_cred() might be better - dup usually
implies copying an object...  For grapping a reference we
normally go for something like hold/get/grab/pin...