From 371e6437a02a5306fdb6b340bbba54c9c8781530 Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Mon, 16 May 2011 14:30:24 +0200 Subject: [PATCH] --- yaml --- r: 346066 b: refs/heads/master c: dcb20d1a8e7d9602e52a9b673ae4d7f746d2cbb2 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/drivers/block/drbd/drbd_nl.c | 22 ++++++++++++++++++---- trunk/include/linux/drbd.h | 1 + 3 files changed, 20 insertions(+), 5 deletions(-) diff --git a/[refs] b/[refs] index 9e86458b8e25..ec7fa6a39df0 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: c5482bbd9607bf38cbc952eacaa429e6ba3160a0 +refs/heads/master: dcb20d1a8e7d9602e52a9b673ae4d7f746d2cbb2 diff --git a/trunk/drivers/block/drbd/drbd_nl.c b/trunk/drivers/block/drbd/drbd_nl.c index 74c27f1507f3..133a6724657d 100644 --- a/trunk/drivers/block/drbd/drbd_nl.c +++ b/trunk/drivers/block/drbd/drbd_nl.c @@ -1722,10 +1722,24 @@ _check_net_options(struct drbd_tconn *tconn, struct net_conf *old_conf, struct n struct drbd_conf *mdev; int i; - if (old_conf && tconn->agreed_pro_version < 100 && - tconn->cstate == C_WF_REPORT_PARAMS && - new_conf->wire_protocol != old_conf->wire_protocol) - return ERR_NEED_APV_100; + if (old_conf && tconn->cstate == C_WF_REPORT_PARAMS && tconn->agreed_pro_version < 100) { + if (new_conf->wire_protocol != old_conf->wire_protocol) + return ERR_NEED_APV_100; + + if (new_conf->two_primaries != old_conf->two_primaries) + return ERR_NEED_APV_100; + + if (!new_conf->integrity_alg != !old_conf->integrity_alg) + return ERR_NEED_APV_100; + + if (strcmp(new_conf->integrity_alg, old_conf->integrity_alg)) + return ERR_NEED_APV_100; + } + + if (!new_conf->two_primaries && + conn_highest_role(tconn) == R_PRIMARY && + conn_highest_peer(tconn) == R_PRIMARY) + return ERR_NEED_ALLOW_TWO_PRI; if (new_conf->two_primaries && (new_conf->wire_protocol != DRBD_PROT_C)) diff --git a/trunk/include/linux/drbd.h b/trunk/include/linux/drbd.h index 05063e6db81f..679e81123229 100644 --- a/trunk/include/linux/drbd.h +++ b/trunk/include/linux/drbd.h @@ -161,6 +161,7 @@ enum drbd_ret_code { ERR_MINOR_EXISTS = 161, ERR_INVALID_REQUEST = 162, ERR_NEED_APV_100 = 163, + ERR_NEED_ALLOW_TWO_PRI = 164, /* insert new ones above this line */ AFTER_LAST_ERR_CODE