summaryrefslogtreecommitdiff
path: root/drivers/block
diff options
context:
space:
mode:
authorLars Ellenberg <lars.ellenberg@linbit.com>2016-06-14 00:26:30 +0200
committerJens Axboe <axboe@fb.com>2016-06-13 21:43:06 -0600
commit60bac040129720837770d0d852cf71dccbc69f61 (patch)
tree8bac96296845b1ca2c7bc007c29414e9ead8ebd3 /drivers/block
parent65f5be3579a69c6a057eeb99620999788982bff6 (diff)
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')
-rw-r--r--drivers/block/drbd/drbd_receiver.c9
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;