linux-kernel - Re: [PATCH v5 7/8] man/man2/open_tree{,_attr}.2: document new open_tree

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Message-ID: <2025-10-01-frayed-minty-deputy-nag-zwy8se@cyphar.com>
Date: Wed, 1 Oct 2025 17:37:21 +1000
From: Aleksa Sarai <cyphar@...har.com>
To: Alejandro Colomar <alx@...nel.org>
Cc: Askar Safin <safinaskar@...il.com>, brauner@...nel.org, 
	dhowells@...hat.com, g.branden.robinson@...il.com, jack@...e.cz, 
	linux-api@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-man@...r.kernel.org, mtk.manpages@...il.com, viro@...iv.linux.org.uk
Subject: Re: [PATCH v5 7/8] man/man2/open_tree{,_attr}.2: document new
 open_tree_attr() API

On 2025-10-01, Alejandro Colomar <alx@...nel.org> wrote:
> Hi Askar,
> 
> On Wed, Oct 01, 2025 at 03:38:41AM +0300, Askar Safin wrote:
> > Aleksa Sarai <cyphar@...har.com>:
> > > +mntfd2 = open_tree(mntfd1, "", OPEN_TREE_CLONE,
> > > +                   &attr, sizeof(attr));
> > 
> > Your whole so-called "open_tree_attr example" doesn't contain any open_tree_attr
> > calls. :)
> > 
> > I think you meant open_tree_attr here.
> 
> I'll wait for Aleksa to confirm before applying and amending.

Yeah, Askar is right, they were a copy-paste snafu.

> > > +\&
> > > +/* Create a new copy with the id-mapping cleared */
> > > +memset(&attr, 0, sizeof(attr));
> > > +attr.attr_clr = MOUNT_ATTR_IDMAP;
> > > +mntfd3 = open_tree(mntfd1, "", OPEN_TREE_CLONE,
> > > +                   &attr, sizeof(attr));
> > 
> > And here.
> > 
> > Otherwise your whole patchset looks good. Add to whole patchset:
> > Reviewed-by: Askar Safin <safinaskar@...il.com>
> 
> Thanks!  I'll retro-fit that to the commits I've aplied already too, as
> I haven't pushed them to master yet.
> 
> 
> Have a lovely day!
> Alex
> 
> -- 
> <https://www.alejandro-colomar.es>
> Use port 80 (that is, <...:80/>).



-- 
Aleksa Sarai
Senior Software Engineer (Containers)
SUSE Linux GmbH
https://www.cyphar.com/

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