From 3540bfdb30fcb423a92cc959708e71bc39eb18c3 Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Thu, 28 Apr 2016 16:07:26 +0200 Subject: [PATCH] libceph: request_init() and request_release_checks() These are going to be used by request_reinit() code. Signed-off-by: Ilya Dryomov --- net/ceph/osd_client.c | 44 ++++++++++++++++++++++++++----------------- 1 file 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; } -- 2.20.1