linux-kernel - Re: [PATCH 1/3] fs: add an enum for number of life time hints

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <gzj54cob33ecyfdabfbvci7nj7gl5sc2cbujpkg6qax7vgoph2@3ubnb4d2dfim>
Date: Fri, 5 Sep 2025 10:17:51 +0200
From: Carlos Maiolino <cem@...nel.org>
To: Hans Holmberg <Hans.Holmberg@....com>
Cc: "linux-xfs@...r.kernel.org" <linux-xfs@...r.kernel.org>, 
	Dave Chinner <david@...morbit.com>, "Darrick J . Wong" <djwong@...nel.org>, hch <hch@....de>, 
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	brauner@...nel.org
Subject: Re: [PATCH 1/3] fs: add an enum for number of life time hints

On Mon, Sep 01, 2025 at 10:52:04AM +0000, Hans Holmberg wrote:
> Add WRITE_LIFE_HINT_NR into the rw_hint enum to define the number of
> values write life time hints can be set to. This is useful for e.g.
> file systems which may want to map these values to allocation groups.
> 
> Signed-off-by: Hans Holmberg <hans.holmberg@....com>

Cc'ing Chris Brauner here, as I think he is who will be picking this up.

The other two can go through XFS tree.

> ---
>  include/linux/rw_hint.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/rw_hint.h b/include/linux/rw_hint.h
> index 309ca72f2dfb..adcc43042c90 100644
> --- a/include/linux/rw_hint.h
> +++ b/include/linux/rw_hint.h
> @@ -14,6 +14,7 @@ enum rw_hint {
>  	WRITE_LIFE_MEDIUM	= RWH_WRITE_LIFE_MEDIUM,
>  	WRITE_LIFE_LONG		= RWH_WRITE_LIFE_LONG,
>  	WRITE_LIFE_EXTREME	= RWH_WRITE_LIFE_EXTREME,
> +	WRITE_LIFE_HINT_NR,
>  } __packed;
> 
>  /* Sparse ignores __packed annotations on enums, hence the #ifndef below. */
> --
> 2.34.1
>