Commit 89e58e75 authored by Philipp Reisner's avatar Philipp Reisner
Browse files

drbd: moved net_conf from mdev to tconn



Besides moving the struct member, everything else is generated by:

sed -i -e 's/mdev->net_conf/mdev->tconn->net_conf/g' \
       -e 's/odev->net_conf/odev->tconn->net_conf/g' \
       *.[ch]

Signed-off-by: default avatarPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: default avatarLars Ellenberg <lars.ellenberg@linbit.com>
parent 2111438b
Loading
Loading
Loading
Loading
+3 −4
Original line number Diff line number Diff line
@@ -977,7 +977,6 @@ struct drbd_conf {
	unsigned long flags;

	/* configured by drbdsetup */
	struct net_conf *net_conf; /* protected by get_net_conf() and put_net_conf() */
	struct syncer_conf sync_conf;
	struct drbd_backing_dev *ldev __protected_by(local);

@@ -2134,10 +2133,10 @@ static inline void put_net_conf(struct drbd_conf *mdev)
}

/**
 * get_net_conf() - Increase ref count on mdev->net_conf; Returns 0 if nothing there
 * get_net_conf() - Increase ref count on mdev->tconn->net_conf; Returns 0 if nothing there
 * @mdev:	DRBD device.
 *
 * You have to call put_net_conf() when finished working with mdev->net_conf.
 * You have to call put_net_conf() when finished working with mdev->tconn->net_conf.
 */
static inline int get_net_conf(struct drbd_conf *mdev)
{
@@ -2253,7 +2252,7 @@ static inline int drbd_get_max_buffers(struct drbd_conf *mdev)
{
	int mxb = 1000000; /* arbitrary limit on open requests */
	if (get_net_conf(mdev)) {
		mxb = mdev->net_conf->max_buffers;
		mxb = mdev->tconn->net_conf->max_buffers;
		put_net_conf(mdev);
	}
	return mxb;
+14 −14
Original line number Diff line number Diff line
@@ -693,7 +693,7 @@ is_valid_state(struct drbd_conf *mdev, union drbd_state ns)
	}

	if (get_net_conf(mdev)) {
		if (!mdev->net_conf->two_primaries &&
		if (!mdev->tconn->net_conf->two_primaries &&
		    ns.role == R_PRIMARY && ns.peer == R_PRIMARY)
			rv = SS_TWO_PRIMARIES;
		put_net_conf(mdev);
@@ -1952,7 +1952,7 @@ int drbd_send_protocol(struct drbd_conf *mdev)
	size = sizeof(struct p_protocol);

	if (mdev->agreed_pro_version >= 87)
		size += strlen(mdev->net_conf->integrity_alg) + 1;
		size += strlen(mdev->tconn->net_conf->integrity_alg) + 1;

	/* we must not recurse into our own queue,
	 * as that is blocked during handshake */
@@ -1960,16 +1960,16 @@ int drbd_send_protocol(struct drbd_conf *mdev)
	if (p == NULL)
		return 0;

	p->protocol      = cpu_to_be32(mdev->net_conf->wire_protocol);
	p->after_sb_0p   = cpu_to_be32(mdev->net_conf->after_sb_0p);
	p->after_sb_1p   = cpu_to_be32(mdev->net_conf->after_sb_1p);
	p->after_sb_2p   = cpu_to_be32(mdev->net_conf->after_sb_2p);
	p->two_primaries = cpu_to_be32(mdev->net_conf->two_primaries);
	p->protocol      = cpu_to_be32(mdev->tconn->net_conf->wire_protocol);
	p->after_sb_0p   = cpu_to_be32(mdev->tconn->net_conf->after_sb_0p);
	p->after_sb_1p   = cpu_to_be32(mdev->tconn->net_conf->after_sb_1p);
	p->after_sb_2p   = cpu_to_be32(mdev->tconn->net_conf->after_sb_2p);
	p->two_primaries = cpu_to_be32(mdev->tconn->net_conf->two_primaries);

	cf = 0;
	if (mdev->net_conf->want_lose)
	if (mdev->tconn->net_conf->want_lose)
		cf |= CF_WANT_LOSE;
	if (mdev->net_conf->dry_run) {
	if (mdev->tconn->net_conf->dry_run) {
		if (mdev->agreed_pro_version >= 92)
			cf |= CF_DRY_RUN;
		else {
@@ -1981,7 +1981,7 @@ int drbd_send_protocol(struct drbd_conf *mdev)
	p->conn_flags    = cpu_to_be32(cf);

	if (mdev->agreed_pro_version >= 87)
		strcpy(p->integrity_alg, mdev->net_conf->integrity_alg);
		strcpy(p->integrity_alg, mdev->tconn->net_conf->integrity_alg);

	rv = drbd_send_cmd(mdev, USE_DATA_SOCKET, P_PROTOCOL,
			   (struct p_header80 *)p, size);
@@ -2002,7 +2002,7 @@ int _drbd_send_uuids(struct drbd_conf *mdev, u64 uuid_flags)

	mdev->comm_bm_set = drbd_bm_total_weight(mdev);
	p.uuid[UI_SIZE] = cpu_to_be64(mdev->comm_bm_set);
	uuid_flags |= mdev->net_conf->want_lose ? 1 : 0;
	uuid_flags |= mdev->tconn->net_conf->want_lose ? 1 : 0;
	uuid_flags |= test_bit(CRASHED_PRIMARY, &mdev->flags) ? 2 : 0;
	uuid_flags |= mdev->new_state_tmp.disk == D_INCONSISTENT ? 4 : 0;
	p.uuid[UI_FLAGS] = cpu_to_be64(uuid_flags);
@@ -2717,7 +2717,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
		 * out ok after sending on this side, but does not fit on the
		 * receiving side, we sure have detected corruption elsewhere.
		 */
		if (mdev->net_conf->wire_protocol == DRBD_PROT_A || dgs)
		if (mdev->tconn->net_conf->wire_protocol == DRBD_PROT_A || dgs)
			ok = _drbd_send_bio(mdev, req->master_bio);
		else
			ok = _drbd_send_zc_bio(mdev, req->master_bio);
@@ -2843,7 +2843,7 @@ int drbd_send(struct drbd_conf *mdev, struct socket *sock,
	msg.msg_flags      = msg_flags | MSG_NOSIGNAL;

	if (sock == mdev->data.socket) {
		mdev->ko_count = mdev->net_conf->ko_count;
		mdev->ko_count = mdev->tconn->net_conf->ko_count;
		drbd_update_congested(mdev);
	}
	do {
@@ -3073,7 +3073,7 @@ void drbd_mdev_cleanup(struct drbd_conf *mdev)
		mdev->rs_mark_left[i] = 0;
		mdev->rs_mark_time[i] = 0;
	}
	D_ASSERT(mdev->net_conf == NULL);
	D_ASSERT(mdev->tconn->net_conf == NULL);

	drbd_set_my_capacity(mdev, 0);
	if (mdev->bitmap) {
+14 −14
Original line number Diff line number Diff line
@@ -150,21 +150,21 @@ int drbd_khelper(struct drbd_conf *mdev, char *cmd)
	snprintf(mb, 12, "minor-%d", mdev_to_minor(mdev));

	if (get_net_conf(mdev)) {
		switch (((struct sockaddr *)mdev->net_conf->peer_addr)->sa_family) {
		switch (((struct sockaddr *)mdev->tconn->net_conf->peer_addr)->sa_family) {
		case AF_INET6:
			afs = "ipv6";
			snprintf(ad, 60, "DRBD_PEER_ADDRESS=%pI6",
				 &((struct sockaddr_in6 *)mdev->net_conf->peer_addr)->sin6_addr);
				 &((struct sockaddr_in6 *)mdev->tconn->net_conf->peer_addr)->sin6_addr);
			break;
		case AF_INET:
			afs = "ipv4";
			snprintf(ad, 60, "DRBD_PEER_ADDRESS=%pI4",
				 &((struct sockaddr_in *)mdev->net_conf->peer_addr)->sin_addr);
				 &((struct sockaddr_in *)mdev->tconn->net_conf->peer_addr)->sin_addr);
			break;
		default:
			afs = "ssocks";
			snprintf(ad, 60, "DRBD_PEER_ADDRESS=%pI4",
				 &((struct sockaddr_in *)mdev->net_conf->peer_addr)->sin_addr);
				 &((struct sockaddr_in *)mdev->tconn->net_conf->peer_addr)->sin_addr);
		}
		snprintf(af, 20, "DRBD_PEER_AF=%s", afs);
		envp[3]=af;
@@ -379,7 +379,7 @@ drbd_set_role(struct drbd_conf *mdev, enum drbd_role new_role, int force)
		if (rv == SS_TWO_PRIMARIES) {
			/* Maybe the peer is detected as dead very soon...
			   retry at most once more in this case. */
			schedule_timeout_interruptible((mdev->net_conf->ping_timeo+1)*HZ/10);
			schedule_timeout_interruptible((mdev->tconn->net_conf->ping_timeo+1)*HZ/10);
			if (try < max_tries)
				try = max_tries - 1;
			continue;
@@ -410,7 +410,7 @@ drbd_set_role(struct drbd_conf *mdev, enum drbd_role new_role, int force)
		}
	} else {
		if (get_net_conf(mdev)) {
			mdev->net_conf->want_lose = 0;
			mdev->tconn->net_conf->want_lose = 0;
			put_net_conf(mdev);
		}
		set_disk_ro(mdev->vdisk, false);
@@ -972,7 +972,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
	}

	if (get_net_conf(mdev)) {
		int prot = mdev->net_conf->wire_protocol;
		int prot = mdev->tconn->net_conf->wire_protocol;
		put_net_conf(mdev);
		if (nbc->dc.fencing == FP_STONITH && prot == DRBD_PROT_A) {
			retcode = ERR_STONITH_AND_PROT_A;
@@ -1439,13 +1439,13 @@ static int drbd_nl_net_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
		if (!odev || odev == mdev)
			continue;
		if (get_net_conf(odev)) {
			taken_addr = (struct sockaddr *)&odev->net_conf->my_addr;
			if (new_conf->my_addr_len == odev->net_conf->my_addr_len &&
			taken_addr = (struct sockaddr *)&odev->tconn->net_conf->my_addr;
			if (new_conf->my_addr_len == odev->tconn->net_conf->my_addr_len &&
			    !memcmp(new_my_addr, taken_addr, new_conf->my_addr_len))
				retcode = ERR_LOCAL_ADDR;

			taken_addr = (struct sockaddr *)&odev->net_conf->peer_addr;
			if (new_conf->peer_addr_len == odev->net_conf->peer_addr_len &&
			taken_addr = (struct sockaddr *)&odev->tconn->net_conf->peer_addr;
			if (new_conf->peer_addr_len == odev->tconn->net_conf->peer_addr_len &&
			    !memcmp(new_peer_addr, taken_addr, new_conf->peer_addr_len))
				retcode = ERR_PEER_ADDR;

@@ -1522,12 +1522,12 @@ static int drbd_nl_net_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,

	drbd_flush_workqueue(mdev);
	spin_lock_irq(&mdev->req_lock);
	if (mdev->net_conf != NULL) {
	if (mdev->tconn->net_conf != NULL) {
		retcode = ERR_NET_CONFIGURED;
		spin_unlock_irq(&mdev->req_lock);
		goto fail;
	}
	mdev->net_conf = new_conf;
	mdev->tconn->net_conf = new_conf;

	mdev->send_cnt = 0;
	mdev->recv_cnt = 0;
@@ -2051,7 +2051,7 @@ static int drbd_nl_get_config(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nl
	}

	if (get_net_conf(mdev)) {
		tl = net_conf_to_tags(mdev, mdev->net_conf, tl);
		tl = net_conf_to_tags(mdev, mdev->tconn->net_conf, tl);
		put_net_conf(mdev);
	}
	tl = syncer_conf_to_tags(mdev, &mdev->sync_conf, tl);
+2 −2
Original line number Diff line number Diff line
@@ -254,8 +254,8 @@ static int drbd_seq_show(struct seq_file *seq, void *v)
			   drbd_role_str(mdev->state.peer),
			   drbd_disk_str(mdev->state.disk),
			   drbd_disk_str(mdev->state.pdsk),
			   (mdev->net_conf == NULL ? ' ' :
			    (mdev->net_conf->wire_protocol - DRBD_PROT_A+'A')),
			   (mdev->tconn->net_conf == NULL ? ' ' :
			    (mdev->tconn->net_conf->wire_protocol - DRBD_PROT_A+'A')),
			   is_susp(mdev->state) ? 's' : 'r',
			   mdev->state.aftr_isp ? 'a' : '-',
			   mdev->state.peer_isp ? 'p' : '-',
+62 −62
Original line number Diff line number Diff line
@@ -237,7 +237,7 @@ static struct page *drbd_pp_alloc(struct drbd_conf *mdev, unsigned number, bool

	/* Yes, we may run up to @number over max_buffers. If we
	 * follow it strictly, the admin will get it wrong anyways. */
	if (atomic_read(&mdev->pp_in_use) < mdev->net_conf->max_buffers)
	if (atomic_read(&mdev->pp_in_use) < mdev->tconn->net_conf->max_buffers)
		page = drbd_pp_first_pages_or_try_alloc(mdev, number);

	while (page == NULL) {
@@ -245,7 +245,7 @@ static struct page *drbd_pp_alloc(struct drbd_conf *mdev, unsigned number, bool

		drbd_kick_lo_and_reclaim_net(mdev);

		if (atomic_read(&mdev->pp_in_use) < mdev->net_conf->max_buffers) {
		if (atomic_read(&mdev->pp_in_use) < mdev->tconn->net_conf->max_buffers) {
			page = drbd_pp_first_pages_or_try_alloc(mdev, number);
			if (page)
				break;
@@ -582,7 +582,7 @@ static struct socket *drbd_try_connect(struct drbd_conf *mdev)
		return NULL;

	what = "sock_create_kern";
	err = sock_create_kern(((struct sockaddr *)mdev->net_conf->my_addr)->sa_family,
	err = sock_create_kern(((struct sockaddr *)mdev->tconn->net_conf->my_addr)->sa_family,
		SOCK_STREAM, IPPROTO_TCP, &sock);
	if (err < 0) {
		sock = NULL;
@@ -590,9 +590,9 @@ static struct socket *drbd_try_connect(struct drbd_conf *mdev)
	}

	sock->sk->sk_rcvtimeo =
	sock->sk->sk_sndtimeo =  mdev->net_conf->try_connect_int*HZ;
	drbd_setbufsize(sock, mdev->net_conf->sndbuf_size,
			mdev->net_conf->rcvbuf_size);
	sock->sk->sk_sndtimeo =  mdev->tconn->net_conf->try_connect_int*HZ;
	drbd_setbufsize(sock, mdev->tconn->net_conf->sndbuf_size,
			mdev->tconn->net_conf->rcvbuf_size);

       /* explicitly bind to the configured IP as source IP
	*  for the outgoing connections.
@@ -601,9 +601,9 @@ static struct socket *drbd_try_connect(struct drbd_conf *mdev)
	* Make sure to use 0 as port number, so linux selects
	*  a free one dynamically.
	*/
	memcpy(&src_in6, mdev->net_conf->my_addr,
	       min_t(int, mdev->net_conf->my_addr_len, sizeof(src_in6)));
	if (((struct sockaddr *)mdev->net_conf->my_addr)->sa_family == AF_INET6)
	memcpy(&src_in6, mdev->tconn->net_conf->my_addr,
	       min_t(int, mdev->tconn->net_conf->my_addr_len, sizeof(src_in6)));
	if (((struct sockaddr *)mdev->tconn->net_conf->my_addr)->sa_family == AF_INET6)
		src_in6.sin6_port = 0;
	else
		((struct sockaddr_in *)&src_in6)->sin_port = 0; /* AF_INET & AF_SCI */
@@ -611,7 +611,7 @@ static struct socket *drbd_try_connect(struct drbd_conf *mdev)
	what = "bind before connect";
	err = sock->ops->bind(sock,
			      (struct sockaddr *) &src_in6,
			      mdev->net_conf->my_addr_len);
			      mdev->tconn->net_conf->my_addr_len);
	if (err < 0)
		goto out;

@@ -620,8 +620,8 @@ static struct socket *drbd_try_connect(struct drbd_conf *mdev)
	disconnect_on_error = 0;
	what = "connect";
	err = sock->ops->connect(sock,
				 (struct sockaddr *)mdev->net_conf->peer_addr,
				 mdev->net_conf->peer_addr_len, 0);
				 (struct sockaddr *)mdev->tconn->net_conf->peer_addr,
				 mdev->tconn->net_conf->peer_addr_len, 0);

out:
	if (err < 0) {
@@ -658,26 +658,26 @@ static struct socket *drbd_wait_for_connect(struct drbd_conf *mdev)
		return NULL;

	what = "sock_create_kern";
	err = sock_create_kern(((struct sockaddr *)mdev->net_conf->my_addr)->sa_family,
	err = sock_create_kern(((struct sockaddr *)mdev->tconn->net_conf->my_addr)->sa_family,
		SOCK_STREAM, IPPROTO_TCP, &s_listen);
	if (err) {
		s_listen = NULL;
		goto out;
	}

	timeo = mdev->net_conf->try_connect_int * HZ;
	timeo = mdev->tconn->net_conf->try_connect_int * HZ;
	timeo += (random32() & 1) ? timeo / 7 : -timeo / 7; /* 28.5% random jitter */

	s_listen->sk->sk_reuse    = 1; /* SO_REUSEADDR */
	s_listen->sk->sk_rcvtimeo = timeo;
	s_listen->sk->sk_sndtimeo = timeo;
	drbd_setbufsize(s_listen, mdev->net_conf->sndbuf_size,
			mdev->net_conf->rcvbuf_size);
	drbd_setbufsize(s_listen, mdev->tconn->net_conf->sndbuf_size,
			mdev->tconn->net_conf->rcvbuf_size);

	what = "bind before listen";
	err = s_listen->ops->bind(s_listen,
			      (struct sockaddr *) mdev->net_conf->my_addr,
			      mdev->net_conf->my_addr_len);
			      (struct sockaddr *) mdev->tconn->net_conf->my_addr,
			      mdev->tconn->net_conf->my_addr_len);
	if (err < 0)
		goto out;

@@ -791,7 +791,7 @@ static int drbd_connect(struct drbd_conf *mdev)
		}

		if (sock && msock) {
			schedule_timeout_interruptible(mdev->net_conf->ping_timeo*HZ/10);
			schedule_timeout_interruptible(mdev->tconn->net_conf->ping_timeo*HZ/10);
			ok = drbd_socket_okay(mdev, &sock);
			ok = drbd_socket_okay(mdev, &msock) && ok;
			if (ok)
@@ -855,15 +855,15 @@ static int drbd_connect(struct drbd_conf *mdev)
	msock->sk->sk_priority = TC_PRIO_INTERACTIVE;

	/* NOT YET ...
	 * sock->sk->sk_sndtimeo = mdev->net_conf->timeout*HZ/10;
	 * sock->sk->sk_sndtimeo = mdev->tconn->net_conf->timeout*HZ/10;
	 * sock->sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT;
	 * first set it to the P_HAND_SHAKE timeout,
	 * which we set to 4x the configured ping_timeout. */
	sock->sk->sk_sndtimeo =
	sock->sk->sk_rcvtimeo = mdev->net_conf->ping_timeo*4*HZ/10;
	sock->sk->sk_rcvtimeo = mdev->tconn->net_conf->ping_timeo*4*HZ/10;

	msock->sk->sk_sndtimeo = mdev->net_conf->timeout*HZ/10;
	msock->sk->sk_rcvtimeo = mdev->net_conf->ping_int*HZ;
	msock->sk->sk_sndtimeo = mdev->tconn->net_conf->timeout*HZ/10;
	msock->sk->sk_rcvtimeo = mdev->tconn->net_conf->ping_int*HZ;

	/* we don't want delays.
	 * we use TCP_CORK where appropriate, though */
@@ -895,7 +895,7 @@ static int drbd_connect(struct drbd_conf *mdev)
	if (drbd_request_state(mdev, NS(conn, C_WF_REPORT_PARAMS)) < SS_SUCCESS)
		return 0;

	sock->sk->sk_sndtimeo = mdev->net_conf->timeout*HZ/10;
	sock->sk->sk_sndtimeo = mdev->tconn->net_conf->timeout*HZ/10;
	sock->sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT;

	atomic_set(&mdev->packet_seq, 0);
@@ -1555,7 +1555,7 @@ static int e_end_block(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
	sector_t sector = e->i.sector;
	int ok = 1, pcmd;

	if (mdev->net_conf->wire_protocol == DRBD_PROT_C) {
	if (mdev->tconn->net_conf->wire_protocol == DRBD_PROT_C) {
		if (likely((e->flags & EE_WAS_ERROR) == 0)) {
			pcmd = (mdev->state.conn >= C_SYNC_SOURCE &&
				mdev->state.conn <= C_PAUSED_SYNC_T &&
@@ -1573,7 +1573,7 @@ static int e_end_block(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
	}
	/* we delete from the conflict detection hash _after_ we sent out the
	 * P_WRITE_ACK / P_NEG_ACK, to get the sequence number right.  */
	if (mdev->net_conf->two_primaries) {
	if (mdev->tconn->net_conf->two_primaries) {
		spin_lock_irq(&mdev->req_lock);
		D_ASSERT(!drbd_interval_empty(&e->i));
		drbd_remove_interval(&mdev->epoch_entries, &e->i);
@@ -1592,7 +1592,7 @@ static int e_send_discard_ack(struct drbd_conf *mdev, struct drbd_work *w, int u
	struct drbd_epoch_entry *e = (struct drbd_epoch_entry *)w;
	int ok = 1;

	D_ASSERT(mdev->net_conf->wire_protocol == DRBD_PROT_C);
	D_ASSERT(mdev->tconn->net_conf->wire_protocol == DRBD_PROT_C);
	ok = drbd_send_ack(mdev, P_DISCARD_ACK, e);

	spin_lock_irq(&mdev->req_lock);
@@ -1717,7 +1717,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
	spin_unlock(&mdev->epoch_lock);

	/* I'm the receiver, I do hold a net_cnt reference. */
	if (!mdev->net_conf->two_primaries) {
	if (!mdev->tconn->net_conf->two_primaries) {
		spin_lock_irq(&mdev->req_lock);
	} else {
		/* don't get the req_lock yet,
@@ -1727,7 +1727,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
		DEFINE_WAIT(wait);
		int first;

		D_ASSERT(mdev->net_conf->wire_protocol == DRBD_PROT_C);
		D_ASSERT(mdev->tconn->net_conf->wire_protocol == DRBD_PROT_C);

		/* conflict detection and handling:
		 * 1. wait on the sequence number,
@@ -1845,7 +1845,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
	list_add(&e->w.list, &mdev->active_ee);
	spin_unlock_irq(&mdev->req_lock);

	switch (mdev->net_conf->wire_protocol) {
	switch (mdev->tconn->net_conf->wire_protocol) {
	case DRBD_PROT_C:
		inc_unacked(mdev);
		/* corresponding dec_unacked() in e_end_block()
@@ -2153,7 +2153,7 @@ static int drbd_asb_recover_0p(struct drbd_conf *mdev) __must_hold(local)
	ch_peer = mdev->p_uuid[UI_SIZE];
	ch_self = mdev->comm_bm_set;

	switch (mdev->net_conf->after_sb_0p) {
	switch (mdev->tconn->net_conf->after_sb_0p) {
	case ASB_CONSENSUS:
	case ASB_DISCARD_SECONDARY:
	case ASB_CALL_HELPER:
@@ -2192,7 +2192,7 @@ static int drbd_asb_recover_0p(struct drbd_conf *mdev) __must_hold(local)
			if (ch_peer == 0) { rv =  1; break; }
			if (ch_self == 0) { rv = -1; break; }
		}
		if (mdev->net_conf->after_sb_0p == ASB_DISCARD_ZERO_CHG)
		if (mdev->tconn->net_conf->after_sb_0p == ASB_DISCARD_ZERO_CHG)
			break;
	case ASB_DISCARD_LEAST_CHG:
		if	(ch_self < ch_peer)
@@ -2218,7 +2218,7 @@ static int drbd_asb_recover_1p(struct drbd_conf *mdev) __must_hold(local)
{
	int hg, rv = -100;

	switch (mdev->net_conf->after_sb_1p) {
	switch (mdev->tconn->net_conf->after_sb_1p) {
	case ASB_DISCARD_YOUNGER_PRI:
	case ASB_DISCARD_OLDER_PRI:
	case ASB_DISCARD_LEAST_CHG:
@@ -2267,7 +2267,7 @@ static int drbd_asb_recover_2p(struct drbd_conf *mdev) __must_hold(local)
{
	int hg, rv = -100;

	switch (mdev->net_conf->after_sb_2p) {
	switch (mdev->tconn->net_conf->after_sb_2p) {
	case ASB_DISCARD_YOUNGER_PRI:
	case ASB_DISCARD_OLDER_PRI:
	case ASB_DISCARD_LEAST_CHG:
@@ -2558,7 +2558,7 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_conf *mdev, enum drbd_rol
	if (abs(hg) == 100)
		drbd_khelper(mdev, "initial-split-brain");

	if (hg == 100 || (hg == -100 && mdev->net_conf->always_asbp)) {
	if (hg == 100 || (hg == -100 && mdev->tconn->net_conf->always_asbp)) {
		int pcount = (mdev->state.role == R_PRIMARY)
			   + (peer_role == R_PRIMARY);
		int forced = (hg == -100);
@@ -2587,9 +2587,9 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_conf *mdev, enum drbd_rol
	}

	if (hg == -100) {
		if (mdev->net_conf->want_lose && !(mdev->p_uuid[UI_FLAGS]&1))
		if (mdev->tconn->net_conf->want_lose && !(mdev->p_uuid[UI_FLAGS]&1))
			hg = -1;
		if (!mdev->net_conf->want_lose && (mdev->p_uuid[UI_FLAGS]&1))
		if (!mdev->tconn->net_conf->want_lose && (mdev->p_uuid[UI_FLAGS]&1))
			hg = 1;

		if (abs(hg) < 100)
@@ -2615,7 +2615,7 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_conf *mdev, enum drbd_rol

	if (hg < 0 && /* by intention we do not use mydisk here. */
	    mdev->state.role == R_PRIMARY && mdev->state.disk >= D_CONSISTENT) {
		switch (mdev->net_conf->rr_conflict) {
		switch (mdev->tconn->net_conf->rr_conflict) {
		case ASB_CALL_HELPER:
			drbd_khelper(mdev, "pri-lost");
			/* fall through */
@@ -2628,7 +2628,7 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_conf *mdev, enum drbd_rol
		}
	}

	if (mdev->net_conf->dry_run || test_bit(CONN_DRY_RUN, &mdev->flags)) {
	if (mdev->tconn->net_conf->dry_run || test_bit(CONN_DRY_RUN, &mdev->flags)) {
		if (hg == 0)
			dev_info(DEV, "dry-run connect: No resync, would become Connected immediately.\n");
		else
@@ -2701,38 +2701,38 @@ static int receive_protocol(struct drbd_conf *mdev, enum drbd_packets cmd, unsig
	if (cf & CF_DRY_RUN)
		set_bit(CONN_DRY_RUN, &mdev->flags);

	if (p_proto != mdev->net_conf->wire_protocol) {
	if (p_proto != mdev->tconn->net_conf->wire_protocol) {
		dev_err(DEV, "incompatible communication protocols\n");
		goto disconnect;
	}

	if (cmp_after_sb(p_after_sb_0p, mdev->net_conf->after_sb_0p)) {
	if (cmp_after_sb(p_after_sb_0p, mdev->tconn->net_conf->after_sb_0p)) {
		dev_err(DEV, "incompatible after-sb-0pri settings\n");
		goto disconnect;
	}

	if (cmp_after_sb(p_after_sb_1p, mdev->net_conf->after_sb_1p)) {
	if (cmp_after_sb(p_after_sb_1p, mdev->tconn->net_conf->after_sb_1p)) {
		dev_err(DEV, "incompatible after-sb-1pri settings\n");
		goto disconnect;
	}

	if (cmp_after_sb(p_after_sb_2p, mdev->net_conf->after_sb_2p)) {
	if (cmp_after_sb(p_after_sb_2p, mdev->tconn->net_conf->after_sb_2p)) {
		dev_err(DEV, "incompatible after-sb-2pri settings\n");
		goto disconnect;
	}

	if (p_want_lose && mdev->net_conf->want_lose) {
	if (p_want_lose && mdev->tconn->net_conf->want_lose) {
		dev_err(DEV, "both sides have the 'want_lose' flag set\n");
		goto disconnect;
	}

	if (p_two_primaries != mdev->net_conf->two_primaries) {
	if (p_two_primaries != mdev->tconn->net_conf->two_primaries) {
		dev_err(DEV, "incompatible setting of the two-primaries options\n");
		goto disconnect;
	}

	if (mdev->agreed_pro_version >= 87) {
		unsigned char *my_alg = mdev->net_conf->integrity_alg;
		unsigned char *my_alg = mdev->tconn->net_conf->integrity_alg;

		if (drbd_recv(mdev, p_integrity_alg, data_size) != data_size)
			return false;
@@ -3312,7 +3312,7 @@ static int receive_state(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
		}
	}

	mdev->net_conf->want_lose = 0;
	mdev->tconn->net_conf->want_lose = 0;

	drbd_md_sync(mdev); /* update connected indicator, la_size, ... */

@@ -3844,8 +3844,8 @@ static void drbd_disconnect(struct drbd_conf *mdev)
		crypto_free_hash(mdev->cram_hmac_tfm);
		mdev->cram_hmac_tfm = NULL;

		kfree(mdev->net_conf);
		mdev->net_conf = NULL;
		kfree(mdev->tconn->net_conf);
		mdev->tconn->net_conf = NULL;
		drbd_request_state(mdev, NS(conn, C_STANDALONE));
	}

@@ -4005,7 +4005,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
	char *response = NULL;
	char *right_response = NULL;
	char *peers_ch = NULL;
	unsigned int key_len = strlen(mdev->net_conf->shared_secret);
	unsigned int key_len = strlen(mdev->tconn->net_conf->shared_secret);
	unsigned int resp_size;
	struct hash_desc desc;
	enum drbd_packets cmd;
@@ -4016,7 +4016,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
	desc.flags = 0;

	rv = crypto_hash_setkey(mdev->cram_hmac_tfm,
				(u8 *)mdev->net_conf->shared_secret, key_len);
				(u8 *)mdev->tconn->net_conf->shared_secret, key_len);
	if (rv) {
		dev_err(DEV, "crypto_hash_setkey() failed with %d\n", rv);
		rv = -1;
@@ -4130,7 +4130,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)

	if (rv)
		dev_info(DEV, "Peer authenticated using %d bytes of '%s' HMAC\n",
		     resp_size, mdev->net_conf->cram_hmac_alg);
		     resp_size, mdev->tconn->net_conf->cram_hmac_alg);
	else
		rv = -1;

@@ -4207,7 +4207,7 @@ static int got_Ping(struct drbd_conf *mdev, struct p_header80 *h)
static int got_PingAck(struct drbd_conf *mdev, struct p_header80 *h)
{
	/* restore idle timeout */
	mdev->meta.socket->sk->sk_rcvtimeo = mdev->net_conf->ping_int*HZ;
	mdev->meta.socket->sk->sk_rcvtimeo = mdev->tconn->net_conf->ping_int*HZ;
	if (!test_and_set_bit(GOT_PING_ACK, &mdev->flags))
		wake_up(&mdev->misc_wait);

@@ -4275,19 +4275,19 @@ static int got_BlockAck(struct drbd_conf *mdev, struct p_header80 *h)
	}
	switch (be16_to_cpu(h->command)) {
	case P_RS_WRITE_ACK:
		D_ASSERT(mdev->net_conf->wire_protocol == DRBD_PROT_C);
		D_ASSERT(mdev->tconn->net_conf->wire_protocol == DRBD_PROT_C);
		what = WRITE_ACKED_BY_PEER_AND_SIS;
		break;
	case P_WRITE_ACK:
		D_ASSERT(mdev->net_conf->wire_protocol == DRBD_PROT_C);
		D_ASSERT(mdev->tconn->net_conf->wire_protocol == DRBD_PROT_C);
		what = WRITE_ACKED_BY_PEER;
		break;
	case P_RECV_ACK:
		D_ASSERT(mdev->net_conf->wire_protocol == DRBD_PROT_B);
		D_ASSERT(mdev->tconn->net_conf->wire_protocol == DRBD_PROT_B);
		what = RECV_ACKED_BY_PEER;
		break;
	case P_DISCARD_ACK:
		D_ASSERT(mdev->net_conf->wire_protocol == DRBD_PROT_C);
		D_ASSERT(mdev->tconn->net_conf->wire_protocol == DRBD_PROT_C);
		what = CONFLICT_DISCARDED_BY_PEER;
		break;
	default:
@@ -4305,8 +4305,8 @@ static int got_NegAck(struct drbd_conf *mdev, struct p_header80 *h)
	struct p_block_ack *p = (struct p_block_ack *)h;
	sector_t sector = be64_to_cpu(p->sector);
	int size = be32_to_cpu(p->blksize);
	bool missing_ok = mdev->net_conf->wire_protocol == DRBD_PROT_A ||
			  mdev->net_conf->wire_protocol == DRBD_PROT_B;
	bool missing_ok = mdev->tconn->net_conf->wire_protocol == DRBD_PROT_A ||
			  mdev->tconn->net_conf->wire_protocol == DRBD_PROT_B;
	bool found;

	update_peer_seq(mdev, be32_to_cpu(p->seq_num));
@@ -4502,13 +4502,13 @@ int drbd_asender(struct drbd_thread *thi)
				goto reconnect;
			}
			mdev->meta.socket->sk->sk_rcvtimeo =
				mdev->net_conf->ping_timeo*HZ/10;
				mdev->tconn->net_conf->ping_timeo*HZ/10;
			ping_timeout_active = 1;
		}

		/* conditionally cork;
		 * it may hurt latency if we cork without much to send */
		if (!mdev->net_conf->no_cork &&
		if (!mdev->tconn->net_conf->no_cork &&
			3 < atomic_read(&mdev->unacked_cnt))
			drbd_tcp_cork(mdev->meta.socket);
		while (1) {
@@ -4528,7 +4528,7 @@ int drbd_asender(struct drbd_thread *thi)
				break;
		}
		/* but unconditionally uncork unless disabled */
		if (!mdev->net_conf->no_cork)
		if (!mdev->tconn->net_conf->no_cork)
			drbd_tcp_uncork(mdev->meta.socket);

		/* short circuit, recv_msg would return EINTR anyways. */
Loading