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drbd: Allow to disconnect if one volume is diskless 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
hifive-unleashed-5.1
Philipp Reisner 2011-03-28 12:55:03 +02:00
parent 435693e89b
commit 778bcf2e29
3 changed files with 8 additions and 1 deletions
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2
drivers/block/drbd/drbd_receiver.c
View File

@ -3447,7 +3447,7 @@ static int receive_req_conn_state(struct drbd_tconn *tconn, struct packet_info *
mask = convert_state(mask);
val = convert_state(val);
rv = conn_request_state(tconn, mask, val, CS_VERBOSE | CS_LOCAL_ONLY);
rv = conn_request_state(tconn, mask, val, CS_VERBOSE | CS_LOCAL_ONLY | CS_IGN_OUTD_FAIL);
conn_send_sr_reply(tconn, rv);
return 0;

6
drivers/block/drbd/drbd_state.c
View File

@ -1433,6 +1433,9 @@ conn_is_valid_transition(struct drbd_tconn *tconn, union drbd_state mask, union
os = mdev->state;
ns = sanitize_state(mdev, apply_mask_val(os, mask, val), NULL);
if (flags & CS_IGN_OUTD_FAIL && ns.disk == D_OUTDATED && os.disk < D_OUTDATED)
ns.disk = os.disk;
if (ns.i == os.i)
continue;
@ -1475,6 +1478,9 @@ conn_set_state(struct drbd_tconn *tconn, union drbd_state mask, union drbd_state
ns = apply_mask_val(os, mask, val);
ns = sanitize_state(mdev, ns, NULL);
if (flags & CS_IGN_OUTD_FAIL && ns.disk == D_OUTDATED && os.disk < D_OUTDATED)
ns.disk = os.disk;
rv = __drbd_set_state(mdev, ns, flags, NULL);
if (rv < SS_SUCCESS)
BUG();

1
drivers/block/drbd/drbd_state.h
View File

@ -69,6 +69,7 @@ enum chg_state_flags {
CS_DC_DISK = 1 << 8,
CS_DC_PDSK = 1 << 9,
CS_DC_MASK = CS_DC_ROLE + CS_DC_PEER + CS_DC_CONN + CS_DC_DISK + CS_DC_PDSK,
CS_IGN_OUTD_FAIL = 1 << 10,
};
extern enum drbd_state_rv drbd_change_state(struct drbd_conf *mdev,