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Message-Id: <1314957648-13242-5-git-send-email-philipp.reisner@linbit.com>
Date: Fri, 2 Sep 2011 12:00:36 +0200
From: Philipp Reisner <philipp.reisner@...bit.com>
To: linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Cc: drbd-dev@...ts.linbit.com
Subject: [PATCH 04/16] drbd: Do not modify the connection state with something else that conn_request_state()
Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
---
drivers/block/drbd/drbd_actlog.c | 2 +-
drivers/block/drbd/drbd_receiver.c | 16 ++++++++--------
drivers/block/drbd/drbd_worker.c | 10 ++--------
3 files changed, 11 insertions(+), 17 deletions(-)
diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
index 6d1e892..92a16ea 100644
--- a/drivers/block/drbd/drbd_actlog.c
+++ b/drivers/block/drbd/drbd_actlog.c
@@ -759,7 +759,7 @@ 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 4eeba8f..f239902 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2925,7 +2925,7 @@ 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;
}
@@ -3104,7 +3104,7 @@ 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;
}
@@ -3164,7 +3164,7 @@ 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;
@@ -3240,7 +3240,7 @@ 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;
}
@@ -3445,7 +3445,7 @@ 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;
}
}
@@ -3470,7 +3470,7 @@ 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);
@@ -3478,7 +3478,7 @@ 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;
}
@@ -3651,7 +3651,7 @@ 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 e459cb2..a730520 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;
}
}
--
1.7.4.1
--
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