[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1433922509-10280-11-git-send-email-nwang@suse.com>
Date: Wed, 10 Jun 2015 15:48:29 +0800
From: Nick Wang <nwang@...e.com>
To: philipp.reisner@...bit.com, lars.ellenberg@...bit.com,
drbd-dev@...ts.linbit.com
Cc: linux-kernel@...r.kernel.org, nwang@...e.com
Subject: [PATCH 10/10] Update flag when receive uuid.
Clear bitmap write and add lock when change state.
Signed-off-by: Nick Wang <nwang@...e.com>
CC: Philipp Reisner <philipp.reisner@...bit.com>
CC: Lars Ellenberg <lars.ellenberg@...bit.com>
CC: drbd-dev@...ts.linbit.com
CC: linux-kernel@...r.kernel.org
---
drbd/drbd_receiver.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drbd/drbd_receiver.c b/drbd/drbd_receiver.c
index 240a557..944db4c 100644
--- a/drbd/drbd_receiver.c
+++ b/drbd/drbd_receiver.c
@@ -4355,17 +4355,23 @@ static int receive_uuids(struct drbd_connection *connection, struct packet_info
BM_LOCKED_TEST_ALLOWED);
_drbd_uuid_set(device, UI_CURRENT, p_uuid[UI_CURRENT]);
_drbd_uuid_set(device, UI_BITMAP, 0);
+ spin_lock_irq(&device->resource->req_lock);
_drbd_set_state(_NS2(device, disk, D_UP_TO_DATE, pdsk, D_UP_TO_DATE),
CS_VERBOSE, NULL);
+ spin_unlock_irq(&device->resource->req_lock);
drbd_md_sync(device);
updated_uuids = 1;
}
if (zero_out_devices) {
drbd_info(device, "Accepted to zero out devices, will take a long time\n");
+ drbd_bitmap_io(device, &drbd_bmio_clear_n_write,
+ "clear_n_write from receive_uuids",
+ BM_LOCKED_TEST_ALLOWED);
_drbd_uuid_set(device, UI_CURRENT, p_uuid[UI_CURRENT]);
_drbd_uuid_set(device, UI_BITMAP, 0);
drbd_print_uuids(device, "cleared bitmap UUID for zeroing device");
+
zero_out_err = zero_out_local_device(device);
if (zero_out_err) {
drbd_err(device, "Failed to zero out local device\n");
@@ -4375,6 +4381,8 @@ static int receive_uuids(struct drbd_connection *connection, struct packet_info
drbd_info(device, "Finish zero out device\n");
drbd_send_zero_out_ok(peer_device);
}
+ drbd_md_sync(device);
+ updated_uuids = 1;
}
if (zero_out_finish) {
--
1.8.4.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists