On Thu, 28 Oct 2021 at 11:48, Lorenz Bauer <lmb@xxxxxxxxxxxxxx> wrote: > > Allow atomic exchange via RENAME_EXCHANGE when using simple_rename. > This affects binderfs, ramfs, hubetlbfs and bpffs. Ramfs and hugetlbfs are generic enough; those seem safe. Binderfs: I have no idea what this does; binderfs_rename() should probably error out on RENAME_EXCHANGE for now, or an explicit ack from the maintainers. Bpffs is your baby... Thanks, Miklos
