diff options
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 144 |
1 files changed, 89 insertions, 55 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 975dc5a..74a6d55 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -817,6 +817,7 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state union drbd_state ns, const char **warn_sync_abort) { enum drbd_fencing_p fp; + enum drbd_disk_state disk_min, disk_max, pdsk_min, pdsk_max; fp = FP_DONT_CARE; if (get_ldev(mdev)) { @@ -869,61 +870,6 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state ns.conn = C_CONNECTED; } - if (ns.conn >= C_CONNECTED && - ((ns.disk == D_CONSISTENT || ns.disk == D_OUTDATED) || - (ns.disk == D_NEGOTIATING && ns.conn == C_WF_BITMAP_T) || - ns.conn >= C_AHEAD)) { - switch (ns.conn) { - case C_WF_BITMAP_T: - case C_PAUSED_SYNC_T: - case C_BEHIND: - ns.disk = D_OUTDATED; - break; - case C_CONNECTED: - case C_WF_BITMAP_S: - case C_SYNC_SOURCE: - case C_PAUSED_SYNC_S: - case C_AHEAD: - ns.disk = D_UP_TO_DATE; - break; - case C_SYNC_TARGET: - ns.disk = D_INCONSISTENT; - dev_warn(DEV, "Implicitly set disk state Inconsistent!\n"); - break; - } - if (os.disk == D_OUTDATED && ns.disk == D_UP_TO_DATE) - dev_warn(DEV, "Implicitly set disk from Outdated to UpToDate\n"); - } - - if (ns.conn >= C_CONNECTED && - (ns.pdsk == D_CONSISTENT || ns.pdsk == D_OUTDATED || ns.conn >= C_AHEAD)) { - switch (ns.conn) { - case C_CONNECTED: - case C_WF_BITMAP_T: - case C_PAUSED_SYNC_T: - case C_SYNC_TARGET: - case C_BEHIND: - ns.pdsk = D_UP_TO_DATE; - break; - case C_WF_BITMAP_S: - case C_PAUSED_SYNC_S: - case C_AHEAD: - /* remap any consistent state to D_OUTDATED, - * but disallow "upgrade" of not even consistent states. - */ - ns.pdsk = - (D_DISKLESS < os.pdsk && os.pdsk < D_OUTDATED) - ? os.pdsk : D_OUTDATED; - break; - case C_SYNC_SOURCE: - ns.pdsk = D_INCONSISTENT; - dev_warn(DEV, "Implicitly set pdsk Inconsistent!\n"); - break; - } - if (os.pdsk == D_OUTDATED && ns.pdsk == D_UP_TO_DATE) - dev_warn(DEV, "Implicitly set pdsk from Outdated to UpToDate\n"); - } - /* Connection breaks down before we finished "Negotiating" */ if (ns.conn < C_CONNECTED && ns.disk == D_NEGOTIATING && get_ldev_if_state(mdev, D_NEGOTIATING)) { @@ -938,6 +884,94 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state put_ldev(mdev); } + /* D_CONSISTENT and D_OUTDATED vanish when we get connected */ + if (ns.conn >= C_CONNECTED && ns.conn < C_AHEAD) { + if (ns.disk == D_CONSISTENT || ns.disk == D_OUTDATED) + ns.disk = D_UP_TO_DATE; + if (ns.pdsk == D_CONSISTENT || ns.pdsk == D_OUTDATED) + ns.pdsk = D_UP_TO_DATE; + } + + /* Implications of the connection stat on the disk states */ + disk_min = D_DISKLESS; + disk_max = D_UP_TO_DATE; + pdsk_min = D_INCONSISTENT; + pdsk_max = D_UNKNOWN; + switch ((enum drbd_conns)ns.conn) { + case C_WF_BITMAP_T: + case C_PAUSED_SYNC_T: + case C_STARTING_SYNC_T: + case C_WF_SYNC_UUID: + case C_BEHIND: + disk_min = D_INCONSISTENT; + disk_max = D_OUTDATED; + pdsk_min = D_UP_TO_DATE; + pdsk_max = D_UP_TO_DATE; + break; + case C_VERIFY_S: + case C_VERIFY_T: + disk_min = D_UP_TO_DATE; + disk_max = D_UP_TO_DATE; + pdsk_min = D_UP_TO_DATE; + pdsk_max = D_UP_TO_DATE; + break; + case C_CONNECTED: + disk_min = D_DISKLESS; + disk_max = D_UP_TO_DATE; + pdsk_min = D_DISKLESS; + pdsk_max = D_UP_TO_DATE; + break; + case C_WF_BITMAP_S: + case C_PAUSED_SYNC_S: + case C_STARTING_SYNC_S: + case C_AHEAD: + disk_min = D_UP_TO_DATE; + disk_max = D_UP_TO_DATE; + pdsk_min = D_INCONSISTENT; + pdsk_max = D_CONSISTENT; /* D_OUTDATED would be nice. But explicit outdate necessary*/ + break; + case C_SYNC_TARGET: + disk_min = D_INCONSISTENT; + disk_max = D_INCONSISTENT; + pdsk_min = D_UP_TO_DATE; + pdsk_max = D_UP_TO_DATE; + break; + case C_SYNC_SOURCE: + disk_min = D_UP_TO_DATE; + disk_max = D_UP_TO_DATE; + pdsk_min = D_INCONSISTENT; + pdsk_max = D_INCONSISTENT; + break; + case C_STANDALONE: + case C_DISCONNECTING: + case C_UNCONNECTED: + case C_TIMEOUT: + case C_BROKEN_PIPE: + case C_NETWORK_FAILURE: + case C_PROTOCOL_ERROR: + case C_TEAR_DOWN: + case C_WF_CONNECTION: + case C_WF_REPORT_PARAMS: + case C_MASK: + break; + } + if (ns.disk > disk_max) + ns.disk = disk_max; + + if (ns.disk < disk_min) { + dev_warn(DEV, "Implicitly set disk from %s to %s\n", + drbd_disk_str(ns.disk), drbd_disk_str(disk_min)); + ns.disk = disk_min; + } + if (ns.pdsk > pdsk_max) + ns.pdsk = pdsk_max; + + if (ns.pdsk < pdsk_min) { + dev_warn(DEV, "Implicitly set pdsk from %s to %s\n", + drbd_disk_str(ns.pdsk), drbd_disk_str(pdsk_min)); + ns.pdsk = pdsk_min; + } + if (fp == FP_STONITH && (ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.pdsk > D_OUTDATED) && !(os.role == R_PRIMARY && os.conn < C_CONNECTED && os.pdsk > D_OUTDATED)) |