diff options
Diffstat (limited to 'fs/ceph/osd_client.c')
| -rw-r--r-- | fs/ceph/osd_client.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c index 978593a4f466..d14019dd6868 100644 --- a/fs/ceph/osd_client.c +++ b/fs/ceph/osd_client.c @@ -837,7 +837,8 @@ static void kick_requests(struct ceph_osd_client *osdc, } kick: - dout("kicking tid %llu osd%d\n", req->r_tid, req->r_osd->o_osd); + dout("kicking %p tid %llu osd%d\n", req, req->r_tid, + req->r_osd->o_osd); req->r_flags |= CEPH_OSD_FLAG_RETRY; err = __send_request(osdc, req); if (err) { @@ -1016,7 +1017,7 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req, bool nofail) { - int rc; + int rc = 0; req->r_request->pages = req->r_pages; req->r_request->nr_pages = req->r_num_pages; @@ -1025,15 +1026,22 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, down_read(&osdc->map_sem); mutex_lock(&osdc->request_mutex); - rc = __send_request(osdc, req); - if (rc) { - if (nofail) { - dout("osdc_start_request failed send, marking %lld\n", - req->r_tid); - req->r_resend = true; - rc = 0; - } else { - __unregister_request(osdc, req); + /* + * a racing kick_requests() may have sent the message for us + * while we dropped request_mutex above, so only send now if + * the request still han't been touched yet. + */ + if (req->r_sent == 0) { + rc = __send_request(osdc, req); + if (rc) { + if (nofail) { + dout("osdc_start_request failed send, " + " marking %lld\n", req->r_tid); + req->r_resend = true; + rc = 0; + } else { + __unregister_request(osdc, req); + } } } mutex_unlock(&osdc->request_mutex); |