From f671b581f1dac61354186b7373af5f97fe420584 Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Tue, 2 Sep 2014 13:40:33 +0400 Subject: [PATCH] libceph: abstract out ceph_osd_request enqueue logic Introduce __enqueue_request() and switch to it. Signed-off-by: Ilya Dryomov Reviewed-by: Alex Elder --- net/ceph/osd_client.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 30f6faf3584f..648a215d734e 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -1346,6 +1346,22 @@ static int __calc_request_pg(struct ceph_osdmap *osdmap, &req->r_target_oid, pg_out); } +static void __enqueue_request(struct ceph_osd_request *req) +{ + struct ceph_osd_client *osdc = req->r_osdc; + + dout("%s %p tid %llu to osd%d\n", __func__, req, req->r_tid, + req->r_osd ? req->r_osd->o_osd : -1); + + if (req->r_osd) { + __remove_osd_from_lru(req->r_osd); + list_add_tail(&req->r_osd_item, &req->r_osd->o_requests); + list_move_tail(&req->r_req_lru_item, &osdc->req_unsent); + } else { + list_move_tail(&req->r_req_lru_item, &osdc->req_notarget); + } +} + /* * Pick an osd (the first 'up' osd in the pg), allocate the osd struct * (as needed), and set the request r_osd appropriately. If there is @@ -1423,13 +1439,7 @@ static int __map_request(struct ceph_osd_client *osdc, &osdc->osdmap->osd_addr[o]); } - if (req->r_osd) { - __remove_osd_from_lru(req->r_osd); - list_add_tail(&req->r_osd_item, &req->r_osd->o_requests); - list_move_tail(&req->r_req_lru_item, &osdc->req_unsent); - } else { - list_move_tail(&req->r_req_lru_item, &osdc->req_notarget); - } + __enqueue_request(req); err = 1; /* osd or pg changed */ out: -- 2.20.1