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| author |   Philipp Reisner <philipp.reisner@linbit.com> | 2014-04-28 18:43:34 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2014-04-30 13:46:56 -0600 |
| commit | babea49ebe010d0a533b5db20fa63c327402a71c (patch) | |
| tree | 57e28edd86ab3cd390583abcd858f9629eeda213 /drivers/block/drbd/drbd_nl.c | |
| parent | drbd: Test cstate while holding req_lock (diff) | |
| download | linux-dev-babea49ebe010d0a533b5db20fa63c327402a71c.tar.xz linux-dev-babea49ebe010d0a533b5db20fa63c327402a71c.zip | |
drbd: Allow attaching of a newly created device to any backing device
A newly created device was never exposed before, i.e. has a
exposed_data_uuid of 0. Then it is valid to attach to any current_uuid
of a backing device (of course also to a newly created one (4))
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/drbd_nl.c')
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index f4d3aff89aa1..1b35c45c92b7 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1662,7 +1662,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) } if (device->state.conn < C_CONNECTED && - device->state.role == R_PRIMARY && + device->state.role == R_PRIMARY && device->ed_uuid && (device->ed_uuid & ~((u64)1)) != (nbc->md.uuid[UI_CURRENT] & ~((u64)1))) { drbd_err(device, "Can only attach to data with current UUID=%016llX\n", (unsigned long long)device->ed_uuid); |