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drbd: Now we need to handle the ed_uuid of an diskless, unconnected primary correctly 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
hifive-unleashed-5.1
Philipp Reisner 2010-06-21 14:14:15 +02:00
parent 894c6a9461
commit 18a50fa213
2 changed files with 8 additions and 1 deletions
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4
drivers/block/drbd/drbd_main.c
View File

@ -1297,8 +1297,10 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
}
if (ns.pdsk < D_INCONSISTENT && get_ldev(mdev)) {
if (ns.peer == R_PRIMARY && mdev->ldev->md.uuid[UI_BITMAP] == 0)
if (ns.peer == R_PRIMARY && mdev->ldev->md.uuid[UI_BITMAP] == 0) {
drbd_uuid_new_current(mdev);
drbd_send_uuids(mdev);
}
/* D_DISKLESS Peer becomes secondary */
if (os.peer == R_PRIMARY && ns.peer == R_SECONDARY)

5
drivers/block/drbd/drbd_receiver.c
View File

@ -3104,6 +3104,11 @@ static int receive_uuids(struct drbd_conf *mdev, struct p_header *h)
drbd_md_sync(mdev);
}
put_ldev(mdev);
} else if (mdev->state.disk < D_INCONSISTENT &&
mdev->state.role == R_PRIMARY) {
/* I am a diskless primary, the peer just created a new current UUID
for me. */
drbd_set_ed_uuid(mdev, p_uuid[UI_CURRENT]);
}
/* Before we test for the disk state, we should wait until an eventually