diff options
| author |   Lars Ellenberg <lars.ellenberg@linbit.com> | 2016-06-14 00:26:30 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2016-06-13 21:43:06 -0600 |
| commit | 60bac040129720837770d0d852cf71dccbc69f61 (patch) | |
| tree | 8bac96296845b1ca2c7bc007c29414e9ead8ebd3 /drivers/block/drbd | |
| parent | drbd: discard_zeroes_if_aligned allows "thin" resync for discard_zeroes_data=0 (diff) | |
| download | linux-dev-60bac040129720837770d0d852cf71dccbc69f61.tar.xz linux-dev-60bac040129720837770d0d852cf71dccbc69f61.zip | |
drbd: report sizes if rejecting too small peer disk
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/drbd')
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index cb80fb406361..367b8e9bf76f 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -3952,6 +3952,7 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info device->p_size = p_size; if (get_ldev(device)) { + sector_t new_size, cur_size; rcu_read_lock(); my_usize = rcu_dereference(device->ldev->disk_conf)->disk_size; rcu_read_unlock(); @@ -3968,11 +3969,13 @@ static int receive_sizes(struct drbd_connection *connection, struct packet_info /* Never shrink a device with usable data during connect. But allow online shrinking if we are connected. */ - if (drbd_new_dev_size(device, device->ldev, p_usize, 0) < - drbd_get_capacity(device->this_bdev) && + new_size = drbd_new_dev_size(device, device->ldev, p_usize, 0); + cur_size = drbd_get_capacity(device->this_bdev); + if (new_size < cur_size && device->state.disk >= D_OUTDATED && device->state.conn < C_CONNECTED) { - drbd_err(device, "The peer's disk size is too small!\n"); + drbd_err(device, "The peer's disk size is too small! (%llu < %llu sectors)\n", + (unsigned long long)new_size, (unsigned long long)cur_size); conn_request_state(peer_device->connection, NS(conn, C_DISCONNECTING), CS_HARD); put_ldev(device); return -EIO; |