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authorIlya Dryomov <idryomov@gmail.com>2016-04-28 16:07:26 +0200
committerIlya Dryomov <idryomov@gmail.com>2016-05-26 01:14:05 +0200
commit3540bfdb30fcb423a92cc959708e71bc39eb18c3 (patch)
treef254c05bb00af02150fb1377f669d9d04a3d8a69 /net
parent5aea3dcd50215fa9563270251ad7323e2f2490ee (diff)
downloadlinux-sh-3540bfdb30fcb423a92cc959708e71bc39eb18c3.tar.gz
libceph: request_init() and request_release_checks()
These are going to be used by request_reinit() code. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net')
-rw-r--r--net/ceph/osd_client.c44
1 files changed, 27 insertions, 17 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 4c856c87b1a9..46e6fb5a1299 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -354,6 +354,15 @@ static void target_destroy(struct ceph_osd_request_target *t)
/*
* requests
*/
+static void request_release_checks(struct ceph_osd_request *req)
+{
+ WARN_ON(!RB_EMPTY_NODE(&req->r_node));
+ WARN_ON(!list_empty(&req->r_linger_item));
+ WARN_ON(!list_empty(&req->r_linger_osd_item));
+ WARN_ON(!list_empty(&req->r_unsafe_item));
+ WARN_ON(req->r_osd);
+}
+
static void ceph_osdc_release_request(struct kref *kref)
{
struct ceph_osd_request *req = container_of(kref,
@@ -362,10 +371,7 @@ static void ceph_osdc_release_request(struct kref *kref)
dout("%s %p (r_request %p r_reply %p)\n", __func__, req,
req->r_request, req->r_reply);
- WARN_ON(!RB_EMPTY_NODE(&req->r_node));
- WARN_ON(!list_empty(&req->r_linger_item));
- WARN_ON(!list_empty(&req->r_linger_osd_item));
- WARN_ON(req->r_osd);
+ request_release_checks(req);
if (req->r_request)
ceph_msg_put(req->r_request);
@@ -404,6 +410,22 @@ void ceph_osdc_put_request(struct ceph_osd_request *req)
}
EXPORT_SYMBOL(ceph_osdc_put_request);
+static void request_init(struct ceph_osd_request *req)
+{
+ /* req only, each op is zeroed in _osd_req_op_init() */
+ memset(req, 0, sizeof(*req));
+
+ kref_init(&req->r_kref);
+ init_completion(&req->r_completion);
+ init_completion(&req->r_safe_completion);
+ RB_CLEAR_NODE(&req->r_node);
+ INIT_LIST_HEAD(&req->r_linger_item);
+ INIT_LIST_HEAD(&req->r_linger_osd_item);
+ INIT_LIST_HEAD(&req->r_unsafe_item);
+
+ target_init(&req->r_t);
+}
+
struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
struct ceph_snap_context *snapc,
unsigned int num_ops,
@@ -425,25 +447,13 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
if (unlikely(!req))
return NULL;
- /* req only, each op is zeroed in _osd_req_op_init() */
- memset(req, 0, sizeof(*req));
-
+ request_init(req);
req->r_osdc = osdc;
req->r_mempool = use_mempool;
req->r_num_ops = num_ops;
req->r_snapid = CEPH_NOSNAP;
req->r_snapc = ceph_get_snap_context(snapc);
- kref_init(&req->r_kref);
- init_completion(&req->r_completion);
- init_completion(&req->r_safe_completion);
- RB_CLEAR_NODE(&req->r_node);
- INIT_LIST_HEAD(&req->r_unsafe_item);
- INIT_LIST_HEAD(&req->r_linger_item);
- INIT_LIST_HEAD(&req->r_linger_osd_item);
-
- target_init(&req->r_t);
-
dout("%s req %p\n", __func__, req);
return req;
}