On 06/25/2014 12:16 PM, Ilya Dryomov wrote:
> Add dout()s to ceph_osdc_request_{get,put}(). Also move them to .c and
> turn kref release callback into a static function.
You can pretty much take the identical comments from
what I said on [PATCH 03/14].
Reviewed-by: Alex Elder <[email protected]>
> Signed-off-by: Ilya Dryomov <[email protected]>
> ---
> include/linux/ceph/osd_client.h | 11 ++---------
> net/ceph/osd_client.c | 26 ++++++++++++++++++++++----
> 2 files changed, 24 insertions(+), 13 deletions(-)
>
> diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
> index 7490a03ac163..a8d5652f589d 100644
> --- a/include/linux/ceph/osd_client.h
> +++ b/include/linux/ceph/osd_client.h
> @@ -328,15 +328,8 @@ extern void ceph_osdc_set_request_linger(struct
> ceph_osd_client *osdc,
> extern void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc,
> struct ceph_osd_request *req);
>
> -static inline void ceph_osdc_get_request(struct ceph_osd_request *req)
> -{
> - kref_get(&req->r_kref);
> -}
> -extern void ceph_osdc_release_request(struct kref *kref);
> -static inline void ceph_osdc_put_request(struct ceph_osd_request *req)
> -{
> - kref_put(&req->r_kref, ceph_osdc_release_request);
> -}
> +extern void ceph_osdc_get_request(struct ceph_osd_request *req);
> +extern void ceph_osdc_put_request(struct ceph_osd_request *req);
>
> extern int ceph_osdc_start_request(struct ceph_osd_client *osdc,
> struct ceph_osd_request *req,
> diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
> index 6202923b41ff..7406046212dc 100644
> --- a/net/ceph/osd_client.c
> +++ b/net/ceph/osd_client.c
> @@ -297,12 +297,15 @@ static void osd_req_op_data_release(struct
> ceph_osd_request *osd_req,
> /*
> * requests
> */
> -void ceph_osdc_release_request(struct kref *kref)
> +static void ceph_osdc_release_request(struct kref *kref)
> {
> - struct ceph_osd_request *req;
> + struct ceph_osd_request *req = container_of(kref,
> + struct ceph_osd_request, r_kref);
> unsigned int which;
>
> - req = container_of(kref, struct ceph_osd_request, r_kref);
> + dout("%s %p (r_request %p r_reply %p)\n", __func__, req,
> + req->r_request, req->r_reply);
> +
> if (req->r_request)
> ceph_msg_put(req->r_request);
> if (req->r_reply) {
> @@ -320,7 +323,22 @@ void ceph_osdc_release_request(struct kref *kref)
> kmem_cache_free(ceph_osd_request_cache, req);
>
> }
> -EXPORT_SYMBOL(ceph_osdc_release_request);
> +
> +void ceph_osdc_get_request(struct ceph_osd_request *req)
> +{
> + dout("%s %p (was %d)\n", __func__, req,
> + atomic_read(&req->r_kref.refcount));
> + kref_get(&req->r_kref);
> +}
> +EXPORT_SYMBOL(ceph_osdc_get_request);
> +
> +void ceph_osdc_put_request(struct ceph_osd_request *req)
> +{
> + dout("%s %p (was %d)\n", __func__, req,
> + atomic_read(&req->r_kref.refcount));
> + kref_put(&req->r_kref, ceph_osdc_release_request);
> +}
> +EXPORT_SYMBOL(ceph_osdc_put_request);
>
> struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client
> *osdc,
> struct ceph_snap_context *snapc,
>
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