From c3acb18196cf3d7d3db6a5121c1bc674c3fba31f Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 7 Dec 2012 09:57:58 -0600 Subject: [PATCH] libceph: reformat __reset_osd() Reformat __reset_osd() into three distinct blocks of code handling the three return cases. Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- net/ceph/osd_client.c | 32 ++++++++++++++++++-------------- 1 file changed, 18 insertions(+), 14 deletions(-) diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 267f183b801a..eade41bb7102 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -747,31 +747,35 @@ static void remove_old_osds(struct ceph_osd_client *osdc) */ static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd) { - struct ceph_osd_request *req; - int ret = 0; + struct ceph_entity_addr *peer_addr; dout("__reset_osd %p osd%d\n", osd, osd->o_osd); if (list_empty(&osd->o_requests) && list_empty(&osd->o_linger_requests)) { __remove_osd(osdc, osd); - ret = -ENODEV; - } else if (memcmp(&osdc->osdmap->osd_addr[osd->o_osd], - &osd->o_con.peer_addr, - sizeof(osd->o_con.peer_addr)) == 0 && - !ceph_con_opened(&osd->o_con)) { + + return -ENODEV; + } + + peer_addr = &osdc->osdmap->osd_addr[osd->o_osd]; + if (!memcmp(peer_addr, &osd->o_con.peer_addr, sizeof (*peer_addr)) && + !ceph_con_opened(&osd->o_con)) { + struct ceph_osd_request *req; + dout(" osd addr hasn't changed and connection never opened," " letting msgr retry"); /* touch each r_stamp for handle_timeout()'s benfit */ list_for_each_entry(req, &osd->o_requests, r_osd_item) req->r_stamp = jiffies; - ret = -EAGAIN; - } else { - ceph_con_close(&osd->o_con); - ceph_con_open(&osd->o_con, CEPH_ENTITY_TYPE_OSD, osd->o_osd, - &osdc->osdmap->osd_addr[osd->o_osd]); - osd->o_incarnation++; + + return -EAGAIN; } - return ret; + + ceph_con_close(&osd->o_con); + ceph_con_open(&osd->o_con, CEPH_ENTITY_TYPE_OSD, osd->o_osd, peer_addr); + osd->o_incarnation++; + + return 0; } static void __insert_osd(struct ceph_osd_client *osdc, struct ceph_osd *new)