linux-kernel - Re: [PATCH 07/16] fs: add inode operations to get/set/remove fscaps

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Date:   Thu, 30 Nov 2023 09:36:35 -0600
From:   "Seth Forshee (DigitalOcean)" <sforshee@...nel.org>
To:     Amir Goldstein <amir73il@...il.com>
Cc:     Christian Brauner <brauner@...nel.org>,
        Serge Hallyn <serge@...lyn.com>,
        Paul Moore <paul@...l-moore.com>,
        Eric Paris <eparis@...hat.com>,
        James Morris <jmorris@...ei.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Miklos Szeredi <miklos@...redi.hu>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-security-module@...r.kernel.org, audit@...r.kernel.org,
        linux-unionfs@...r.kernel.org
Subject: Re: [PATCH 07/16] fs: add inode operations to get/set/remove fscaps

On Thu, Nov 30, 2023 at 07:32:19AM +0200, Amir Goldstein wrote:
> On Wed, Nov 29, 2023 at 11:51 PM Seth Forshee (DigitalOcean)
> <sforshee@...nel.org> wrote:
> >
> > Add inode operations for getting, setting and removing filesystem
> > capabilities rather than passing around raw xattr data. This provides
> > better type safety for ids contained within xattrs.
> >
> > Signed-off-by: Seth Forshee (DigitalOcean) <sforshee@...nel.org>
> > ---
> >  include/linux/fs.h | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/include/linux/fs.h b/include/linux/fs.h
> > index 98b7a7a8c42e..a0a77f67b999 100644
> > --- a/include/linux/fs.h
> > +++ b/include/linux/fs.h
> > @@ -2002,6 +2002,11 @@ struct inode_operations {
> >                                      int);
> >         int (*set_acl)(struct mnt_idmap *, struct dentry *,
> >                        struct posix_acl *, int);
> > +       int (*get_fscaps)(struct mnt_idmap *, struct dentry *,
> > +                         struct vfs_caps *);
> > +       int (*set_fscaps)(struct mnt_idmap *, struct dentry *,
> > +                         const struct vfs_caps *, int flags);
> > +       int (*remove_fscaps)(struct mnt_idmap *, struct dentry *);
> >         int (*fileattr_set)(struct mnt_idmap *idmap,
> >                             struct dentry *dentry, struct fileattr *fa);
> >         int (*fileattr_get)(struct dentry *dentry, struct fileattr *fa);
> >
> 
> Please document in Documentation/filesystems/{vfs,locking}.rst

Done for v2.