From: Philipp Reisner Date: Tue, 15 Mar 2011 17:24:49 +0000 (+0100) Subject: drbd: Do not modify the connection state with something else that conn_request_state() X-Git-Tag: firefly_0821_release~3680^2~1419^2~18^2~403 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=38fa9988fa838324a0cce6e2f9d3c674230659d5;p=firefly-linux-kernel-4.4.55.git drbd: Do not modify the connection state with something else that conn_request_state() Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index c1a90616776b..89f1a6904a46 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -769,7 +769,7 @@ static void drbd_try_clear_on_disk_bm(struct drbd_conf *mdev, sector_t sector, dump_stack(); lc_put(mdev->resync, &ext->lce); - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); return; } } else { diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index dfa092087d75..ac2a25f6b256 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -2922,7 +2922,7 @@ static int receive_protocol(struct drbd_conf *mdev, enum drbd_packet cmd, return true; disconnect: - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); return false; } @@ -3101,7 +3101,7 @@ disconnect: crypto_free_hash(csums_tfm); /* but free the verify_tfm again, if csums_tfm did not work out */ crypto_free_hash(verify_tfm); - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); return false; } @@ -3161,7 +3161,7 @@ static int receive_sizes(struct drbd_conf *mdev, enum drbd_packet cmd, mdev->state.disk >= D_OUTDATED && mdev->state.conn < C_CONNECTED) { dev_err(DEV, "The peer's disk size is too small!\n"); - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); mdev->ldev->dc.disk_size = my_usize; put_ldev(mdev); return false; @@ -3237,7 +3237,7 @@ static int receive_uuids(struct drbd_conf *mdev, enum drbd_packet cmd, (mdev->ed_uuid & ~((u64)1)) != (p_uuid[UI_CURRENT] & ~((u64)1))) { dev_err(DEV, "Can only connect to data with current UUID=%016llX\n", (unsigned long long)mdev->ed_uuid); - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); return false; } @@ -3442,7 +3442,7 @@ static int receive_state(struct drbd_conf *mdev, enum drbd_packet cmd, if (test_and_clear_bit(CONN_DRY_RUN, &mdev->flags)) return false; D_ASSERT(os.conn == C_WF_REPORT_PARAMS); - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); return false; } } @@ -3467,7 +3467,7 @@ static int receive_state(struct drbd_conf *mdev, enum drbd_packet cmd, tl_clear(mdev->tconn); drbd_uuid_new_current(mdev); clear_bit(NEW_CUR_UUID, &mdev->flags); - drbd_force_state(mdev, NS2(conn, C_PROTOCOL_ERROR, susp, 0)); + conn_request_state(mdev->tconn, NS2(conn, C_PROTOCOL_ERROR, susp, 0), CS_HARD); return false; } rv = _drbd_set_state(mdev, ns, cs_flags, NULL); @@ -3475,7 +3475,7 @@ static int receive_state(struct drbd_conf *mdev, enum drbd_packet cmd, spin_unlock_irq(&mdev->tconn->req_lock); if (rv < SS_SUCCESS) { - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); return false; } @@ -3648,7 +3648,7 @@ decode_bitmap_c(struct drbd_conf *mdev, * during all our tests. */ dev_err(DEV, "receive_bitmap_c: unknown encoding %u\n", p->encoding); - drbd_force_state(mdev, NS(conn, C_PROTOCOL_ERROR)); + conn_request_state(mdev->tconn, NS(conn, C_PROTOCOL_ERROR), CS_HARD); return -EIO; } diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index e459cb2076bd..a730520e468e 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -1290,12 +1290,6 @@ int w_send_read_req(struct drbd_work *w, int cancel) ok = drbd_send_drequest(mdev, P_DATA_REQUEST, req->i.sector, req->i.size, (unsigned long)req); - if (!ok) { - /* ?? we set C_TIMEOUT or C_BROKEN_PIPE in drbd_send(); - * so this is probably redundant */ - if (mdev->state.conn >= C_CONNECTED) - drbd_force_state(mdev, NS(conn, C_NETWORK_FAILURE)); - } req_mod(req, ok ? HANDED_OVER_TO_NETWORK : SEND_FAILED); return ok; @@ -1510,7 +1504,7 @@ void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side) if (r > 0) { dev_info(DEV, "before-resync-target handler returned %d, " "dropping connection.\n", r); - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); return; } } else /* C_SYNC_SOURCE */ { @@ -1523,7 +1517,7 @@ void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side) } else { dev_info(DEV, "before-resync-source handler returned %d, " "dropping connection.\n", r); - drbd_force_state(mdev, NS(conn, C_DISCONNECTING)); + conn_request_state(mdev->tconn, NS(conn, C_DISCONNECTING), CS_HARD); return; } }