diff options
Diffstat (limited to 'drivers/infiniband/ulp/rtrs/rtrs-srv.c')
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-srv.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index 733116554e0b..27bf2b2da9fd 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -72,8 +72,9 @@ static bool rtrs_srv_change_state(struct rtrs_srv_path *srv_path, { enum rtrs_srv_state old_state; bool changed = false; + unsigned long flags; - spin_lock_irq(&srv_path->state_lock); + spin_lock_irqsave(&srv_path->state_lock, flags); old_state = srv_path->state; switch (new_state) { case RTRS_SRV_CONNECTED: @@ -94,7 +95,7 @@ static bool rtrs_srv_change_state(struct rtrs_srv_path *srv_path, } if (changed) srv_path->state = new_state; - spin_unlock_irq(&srv_path->state_lock); + spin_unlock_irqrestore(&srv_path->state_lock, flags); return changed; } @@ -555,7 +556,10 @@ static void unmap_cont_bufs(struct rtrs_srv_path *srv_path) struct rtrs_srv_mr *srv_mr; srv_mr = &srv_path->mrs[i]; - rtrs_iu_free(srv_mr->iu, srv_path->s.dev->ib_dev, 1); + + if (always_invalidate) + rtrs_iu_free(srv_mr->iu, srv_path->s.dev->ib_dev, 1); + ib_dereg_mr(srv_mr->mr); ib_dma_unmap_sg(srv_path->s.dev->ib_dev, srv_mr->sgt.sgl, srv_mr->sgt.nents, DMA_BIDIRECTIONAL); @@ -721,20 +725,23 @@ static void rtrs_srv_info_rsp_done(struct ib_cq *cq, struct ib_wc *wc) WARN_ON(wc->opcode != IB_WC_SEND); } -static void rtrs_srv_path_up(struct rtrs_srv_path *srv_path) +static int rtrs_srv_path_up(struct rtrs_srv_path *srv_path) { struct rtrs_srv *srv = srv_path->srv; struct rtrs_srv_ctx *ctx = srv->ctx; - int up; + int up, ret = 0; mutex_lock(&srv->paths_ev_mutex); up = ++srv->paths_up; if (up == 1) - ctx->ops.link_ev(srv, RTRS_SRV_LINK_EV_CONNECTED, NULL); + ret = ctx->ops.link_ev(srv, RTRS_SRV_LINK_EV_CONNECTED, NULL); mutex_unlock(&srv->paths_ev_mutex); /* Mark session as established */ - srv_path->established = true; + if (!ret) + srv_path->established = true; + + return ret; } static void rtrs_srv_path_down(struct rtrs_srv_path *srv_path) @@ -863,7 +870,12 @@ static int process_info_req(struct rtrs_srv_con *con, goto iu_free; kobject_get(&srv_path->kobj); get_device(&srv_path->srv->dev); - rtrs_srv_change_state(srv_path, RTRS_SRV_CONNECTED); + err = rtrs_srv_change_state(srv_path, RTRS_SRV_CONNECTED); + if (!err) { + rtrs_err(s, "rtrs_srv_change_state(), err: %d\n", err); + goto iu_free; + } + rtrs_srv_start_hb(srv_path); /* @@ -872,7 +884,11 @@ static int process_info_req(struct rtrs_srv_con *con, * all connections are successfully established. Thus, simply notify * listener with a proper event if we are the first path. */ - rtrs_srv_path_up(srv_path); + err = rtrs_srv_path_up(srv_path); + if (err) { + rtrs_err(s, "rtrs_srv_path_up(), err: %d\n", err); + goto iu_free; + } ib_dma_sync_single_for_device(srv_path->s.dev->ib_dev, tx_iu->dma_addr, @@ -1525,7 +1541,6 @@ static void rtrs_srv_close_work(struct work_struct *work) srv_path = container_of(work, typeof(*srv_path), close_work); - rtrs_srv_destroy_path_files(srv_path); rtrs_srv_stop_hb(srv_path); for (i = 0; i < srv_path->s.con_num; i++) { @@ -1545,6 +1560,8 @@ static void rtrs_srv_close_work(struct work_struct *work) /* Wait for all completion */ wait_for_completion(&srv_path->complete_done); + rtrs_srv_destroy_path_files(srv_path); + /* Notify upper layer if we are the last path */ rtrs_srv_path_down(srv_path); |