On Wed, Nov 29, 2023 at 03:50:25PM -0600, Seth Forshee (DigitalOcean) 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) <[email protected]>
> ---
>  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);

If it's really a flags argument, then unsigned int, please,
Reviewed-by: Christian Brauner <[email protected]>

> +     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);

Ofc we managed to add get/set_foo() and bar_get/set().

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