Re: [PATCH] fs/ceph/mds_client: use detach_cap_releases() in ceph_send_cap_releases()

Xiubo Li <[email protected]> Tue, 14 Jul 2026 12:45:32 +0800
Newsgroups org.kernel.vger.ceph-devel,org.kernel.vger.linux-kernel
Message-ID <CAOuZWzzyDo0jbpHnKj5AsL-DTg+UCscW5RQ61msj6Mrdbw4e8w@mail.gmail.com>
LGTM.

Reviewed-by: Xiubo Li <[email protected]>

Max Kellermann <[email protected]> 于2026年7月9日周四 18:49写道:
>
> Eliminate some redundant code.
>
> Signed-off-by: Max Kellermann <[email protected]>
> ---
>  fs/ceph/mds_client.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
> index 853bf698b356..578c1909e18f 100644
> --- a/fs/ceph/mds_client.c
> +++ b/fs/ceph/mds_client.c
> @@ -1799,16 +1799,19 @@ static void __open_export_target_sessions(struct ceph_mds_client *mdsc,
>   * session caps
>   */
>
> -static void detach_cap_releases(struct ceph_mds_session *session,
> -                               struct list_head *target)
> +static int detach_cap_releases(struct ceph_mds_session *session,
> +                              struct list_head *target)
>  {
>         struct ceph_client *cl = session->s_mdsc->fsc->client;
> +       const int num_cap_releases = session->s_num_cap_releases;
>
>         lockdep_assert_held(&session->s_cap_lock);
>
>         list_splice_init(&session->s_cap_releases, target);
>         session->s_num_cap_releases = 0;
>         doutc(cl, "mds%d\n", session->s_mds);
> +
> +       return num_cap_releases;
>  }
>
>  static void dispose_cap_releases(struct ceph_mds_client *mdsc,
> @@ -2464,9 +2467,7 @@ static void ceph_send_cap_releases(struct ceph_mds_client *mdsc,
>
>         spin_lock(&session->s_cap_lock);
>  again:
> -       list_splice_init(&session->s_cap_releases, &tmp_list);
> -       num_cap_releases = session->s_num_cap_releases;
> -       session->s_num_cap_releases = 0;
> +       num_cap_releases = detach_cap_releases(session, &tmp_list);
>         spin_unlock(&session->s_cap_lock);
>
>         while (!list_empty(&tmp_list)) {
> --
> 2.47.3
>
>