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

From: Xiubo Li

Date: Tue Jul 14 2026 - 00:45:55 EST


LGTM.

Reviewed-by: Xiubo Li <xiubo.li@xxxxxxxxx>

Max Kellermann <max.kellermann@xxxxxxxxx> 于2026年7月9日周四 18:49写道:
>
> Eliminate some redundant code.
>
> Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
> ---
> 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
>
>