libceph: move and add dout()s to ceph_osdc_request_{get,put}()

Add dout()s to ceph_osdc_request_{get,put}().  Also move them to .c and
turn kref release callback into a static function.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>

1 files changed, 22 insertions, 4 deletions

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,