Re: [PATCH] ceph: delete unnecessary mutex lock/unlock

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On Tue, Mar 13, 2018 at 7:52 PM, Chengguang Xu <cgxu519@xxxxxxx> wrote:
> Obviously wrong mutex lock/unlock for nothing.
>
> Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx>
> ---
>  fs/ceph/mds_client.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
> index 8fc37a8..5439dfd 100644
> --- a/fs/ceph/mds_client.c
> +++ b/fs/ceph/mds_client.c
> @@ -3514,8 +3514,6 @@ static void drop_leases(struct ceph_mds_client *mdsc)
>                 if (!s)
>                         continue;
>                 mutex_unlock(&mdsc->mutex);
> -               mutex_lock(&s->s_mutex);
> -               mutex_unlock(&s->s_mutex);
>                 ceph_put_mds_session(s);
>                 mutex_lock(&mdsc->mutex);
>         }
> --
> 1.8.3.1
>
Applied, thanks
Yan, Zheng

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