[lustre-devel] [PATCH 03/34] lnet: struct lnet_ni: move ni_lnd to lnet_net
James Simmons
jsimmons at infradead.org
Mon Sep 10 16:25:24 PDT 2018
> Also make some other minor changes to the structures.
>
Reviewed-by: James Simmons <jsimmons at infradead.org>
The below needs fixing based on response to cover letter.
> This is part of
> 8cbb8cd3e771e7f7e0f99cafc19fad32770dc015
> LU-7734 lnet: Multi-Rail local NI split
>
> Signed-off-by: NeilBrown <neilb at suse.com>
> ---
> .../staging/lustre/include/linux/lnet/lib-types.h | 13 ++++++++-----
> .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 2 +-
> .../staging/lustre/lnet/klnds/socklnd/socklnd.c | 2 +-
> drivers/staging/lustre/lnet/lnet/acceptor.c | 4 ++--
> drivers/staging/lustre/lnet/lnet/api-ni.c | 16 ++++++++--------
> drivers/staging/lustre/lnet/lnet/lib-move.c | 16 ++++++++--------
> drivers/staging/lustre/lnet/lnet/lo.c | 2 +-
> drivers/staging/lustre/lnet/lnet/router.c | 10 +++++-----
> drivers/staging/lustre/lnet/lnet/router_proc.c | 2 +-
> 9 files changed, 35 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/staging/lustre/include/linux/lnet/lib-types.h b/drivers/staging/lustre/include/linux/lnet/lib-types.h
> index ead8a4e1125a..e170eb07a5bf 100644
> --- a/drivers/staging/lustre/include/linux/lnet/lib-types.h
> +++ b/drivers/staging/lustre/include/linux/lnet/lib-types.h
> @@ -262,12 +262,17 @@ struct lnet_net {
> * shouldn't be reset
> */
> bool net_tunables_set;
> + /* procedural interface */
> + struct lnet_lnd *net_lnd;
> };
>
> struct lnet_ni {
> - spinlock_t ni_lock;
> - struct list_head ni_list; /* chain on ln_nis */
> - struct list_head ni_cptlist; /* chain on ln_nis_cpt */
> + /* chain on ln_nis */
> + struct list_head ni_list;
> + /* chain on ln_nis_cpt */
> + struct list_head ni_cptlist;
> +
> + spinlock_t ni_lock;
>
> /* number of CPTs */
> int ni_ncpts;
> @@ -281,8 +286,6 @@ struct lnet_ni {
> /* instance-specific data */
> void *ni_data;
>
> - struct lnet_lnd *ni_lnd; /* procedural interface */
> -
> /* percpt TX queues */
> struct lnet_tx_queue **ni_tx_queues;
>
> diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> index 0d17e22c4401..5e1592b398c1 100644
> --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> @@ -2830,7 +2830,7 @@ static int kiblnd_startup(struct lnet_ni *ni)
> int rc;
> int newdev;
>
> - LASSERT(ni->ni_lnd == &the_o2iblnd);
> + LASSERT(ni->ni_net->net_lnd == &the_o2iblnd);
>
> if (kiblnd_data.kib_init == IBLND_INIT_NOTHING) {
> rc = kiblnd_base_startup();
> diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
> index 4ad885f10235..2036a0ae5917 100644
> --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
> +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
> @@ -2726,7 +2726,7 @@ ksocknal_startup(struct lnet_ni *ni)
> int rc;
> int i;
>
> - LASSERT(ni->ni_lnd == &the_ksocklnd);
> + LASSERT(ni->ni_net->net_lnd == &the_ksocklnd);
>
> if (ksocknal_data.ksnd_init == SOCKNAL_INIT_NOTHING) {
> rc = ksocknal_base_startup();
> diff --git a/drivers/staging/lustre/lnet/lnet/acceptor.c b/drivers/staging/lustre/lnet/lnet/acceptor.c
> index 3ae3ca1311a1..f8c921f0221c 100644
> --- a/drivers/staging/lustre/lnet/lnet/acceptor.c
> +++ b/drivers/staging/lustre/lnet/lnet/acceptor.c
> @@ -306,7 +306,7 @@ lnet_accept(struct socket *sock, __u32 magic)
> return -EPERM;
> }
>
> - if (!ni->ni_lnd->lnd_accept) {
> + if (!ni->ni_net->net_lnd->lnd_accept) {
> /* This catches a request for the loopback LND */
> lnet_ni_decref(ni);
> LCONSOLE_ERROR_MSG(0x121, "Refusing connection from %pI4h for %s: NI doesn not accept IP connections\n",
> @@ -317,7 +317,7 @@ lnet_accept(struct socket *sock, __u32 magic)
> CDEBUG(D_NET, "Accept %s from %pI4h\n",
> libcfs_nid2str(cr.acr_nid), &peer_ip);
>
> - rc = ni->ni_lnd->lnd_accept(ni, sock);
> + rc = ni->ni_net->net_lnd->lnd_accept(ni, sock);
>
> lnet_ni_decref(ni);
> return rc;
> diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c
> index cd4189fa7acb..0896e75bc3d7 100644
> --- a/drivers/staging/lustre/lnet/lnet/api-ni.c
> +++ b/drivers/staging/lustre/lnet/lnet/api-ni.c
> @@ -799,7 +799,7 @@ lnet_count_acceptor_nis(void)
>
> cpt = lnet_net_lock_current();
> list_for_each_entry(ni, &the_lnet.ln_nis, ni_list) {
> - if (ni->ni_lnd->lnd_accept)
> + if (ni->ni_net->net_lnd->lnd_accept)
> count++;
> }
>
> @@ -1098,13 +1098,13 @@ lnet_clear_zombies_nis_locked(void)
> continue;
> }
>
> - ni->ni_lnd->lnd_refcount--;
> + ni->ni_net->net_lnd->lnd_refcount--;
> lnet_net_unlock(LNET_LOCK_EX);
>
> - islo = ni->ni_lnd->lnd_type == LOLND;
> + islo = ni->ni_net->net_lnd->lnd_type == LOLND;
>
> LASSERT(!in_interrupt());
> - ni->ni_lnd->lnd_shutdown(ni);
> + ni->ni_net->net_lnd->lnd_shutdown(ni);
>
> /*
> * can't deref lnd anymore now; it might have unregistered
> @@ -1248,7 +1248,7 @@ lnet_startup_lndni(struct lnet_ni *ni, struct lnet_ioctl_config_data *conf)
> lnd->lnd_refcount++;
> lnet_net_unlock(LNET_LOCK_EX);
>
> - ni->ni_lnd = lnd;
> + ni->ni_net->net_lnd = lnd;
>
> if (conf && conf->cfg_hdr.ioc_len > sizeof(*conf))
> lnd_tunables = (struct lnet_ioctl_config_lnd_tunables *)conf->cfg_bulk;
> @@ -1794,7 +1794,7 @@ lnet_dyn_add_ni(lnet_pid_t requested_pid, struct lnet_ioctl_config_data *conf)
> if (rc)
> goto failed1;
>
> - if (ni->ni_lnd->lnd_accept) {
> + if (ni->ni_net->net_lnd->lnd_accept) {
> rc = lnet_acceptor_start();
> if (rc < 0) {
> /* shutdown the ni that we just started */
> @@ -2074,10 +2074,10 @@ LNetCtl(unsigned int cmd, void *arg)
> if (!ni)
> return -EINVAL;
>
> - if (!ni->ni_lnd->lnd_ctl)
> + if (!ni->ni_net->net_lnd->lnd_ctl)
> rc = -EINVAL;
> else
> - rc = ni->ni_lnd->lnd_ctl(ni, cmd, arg);
> + rc = ni->ni_net->net_lnd->lnd_ctl(ni, cmd, arg);
>
> lnet_ni_decref(ni);
> return rc;
> diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c
> index f186e6a16d34..1bf12af87a20 100644
> --- a/drivers/staging/lustre/lnet/lnet/lib-move.c
> +++ b/drivers/staging/lustre/lnet/lnet/lib-move.c
> @@ -406,7 +406,7 @@ lnet_ni_recv(struct lnet_ni *ni, void *private, struct lnet_msg *msg,
> iov_iter_bvec(&to, ITER_BVEC | READ, kiov, niov, mlen + offset);
> iov_iter_advance(&to, offset);
> }
> - rc = ni->ni_lnd->lnd_recv(ni, private, msg, delayed, &to, rlen);
> + rc = ni->ni_net->net_lnd->lnd_recv(ni, private, msg, delayed, &to, rlen);
> if (rc < 0)
> lnet_finalize(ni, msg, rc);
> }
> @@ -461,7 +461,7 @@ lnet_ni_send(struct lnet_ni *ni, struct lnet_msg *msg)
> LASSERT(LNET_NETTYP(LNET_NIDNET(ni->ni_nid)) == LOLND ||
> (msg->msg_txcredit && msg->msg_peertxcredit));
>
> - rc = ni->ni_lnd->lnd_send(ni, priv, msg);
> + rc = ni->ni_net->net_lnd->lnd_send(ni, priv, msg);
> if (rc < 0)
> lnet_finalize(ni, msg, rc);
> }
> @@ -474,10 +474,10 @@ lnet_ni_eager_recv(struct lnet_ni *ni, struct lnet_msg *msg)
> LASSERT(!msg->msg_sending);
> LASSERT(msg->msg_receiving);
> LASSERT(!msg->msg_rx_ready_delay);
> - LASSERT(ni->ni_lnd->lnd_eager_recv);
> + LASSERT(ni->ni_net->net_lnd->lnd_eager_recv);
>
> msg->msg_rx_ready_delay = 1;
> - rc = ni->ni_lnd->lnd_eager_recv(ni, msg->msg_private, msg,
> + rc = ni->ni_net->net_lnd->lnd_eager_recv(ni, msg->msg_private, msg,
> &msg->msg_private);
> if (rc) {
> CERROR("recv from %s / send to %s aborted: eager_recv failed %d\n",
> @@ -496,10 +496,10 @@ lnet_ni_query_locked(struct lnet_ni *ni, struct lnet_peer *lp)
> time64_t last_alive = 0;
>
> LASSERT(lnet_peer_aliveness_enabled(lp));
> - LASSERT(ni->ni_lnd->lnd_query);
> + LASSERT(ni->ni_net->net_lnd->lnd_query);
>
> lnet_net_unlock(lp->lp_cpt);
> - ni->ni_lnd->lnd_query(ni, lp->lp_nid, &last_alive);
> + ni->ni_net->net_lnd->lnd_query(ni, lp->lp_nid, &last_alive);
> lnet_net_lock(lp->lp_cpt);
>
> lp->lp_last_query = ktime_get_seconds();
> @@ -1287,7 +1287,7 @@ lnet_parse_put(struct lnet_ni *ni, struct lnet_msg *msg)
> info.mi_roffset = hdr->msg.put.offset;
> info.mi_mbits = hdr->msg.put.match_bits;
>
> - msg->msg_rx_ready_delay = !ni->ni_lnd->lnd_eager_recv;
> + msg->msg_rx_ready_delay = !ni->ni_net->net_lnd->lnd_eager_recv;
> ready_delay = msg->msg_rx_ready_delay;
>
> again:
> @@ -1518,7 +1518,7 @@ lnet_parse_forward_locked(struct lnet_ni *ni, struct lnet_msg *msg)
>
> if (msg->msg_rxpeer->lp_rtrcredits <= 0 ||
> lnet_msg2bufpool(msg)->rbp_credits <= 0) {
> - if (!ni->ni_lnd->lnd_eager_recv) {
> + if (!ni->ni_net->net_lnd->lnd_eager_recv) {
> msg->msg_rx_ready_delay = 1;
> } else {
> lnet_net_unlock(msg->msg_rx_cpt);
> diff --git a/drivers/staging/lustre/lnet/lnet/lo.c b/drivers/staging/lustre/lnet/lnet/lo.c
> index eb14146bd879..8167980c2323 100644
> --- a/drivers/staging/lustre/lnet/lnet/lo.c
> +++ b/drivers/staging/lustre/lnet/lnet/lo.c
> @@ -83,7 +83,7 @@ lolnd_shutdown(struct lnet_ni *ni)
> static int
> lolnd_startup(struct lnet_ni *ni)
> {
> - LASSERT(ni->ni_lnd == &the_lolnd);
> + LASSERT(ni->ni_net->net_lnd == &the_lolnd);
> LASSERT(!lolnd_instanced);
> lolnd_instanced = 1;
>
> diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c
> index 7d61c5d71426..0c0ec0b27982 100644
> --- a/drivers/staging/lustre/lnet/lnet/router.c
> +++ b/drivers/staging/lustre/lnet/lnet/router.c
> @@ -154,14 +154,14 @@ lnet_ni_notify_locked(struct lnet_ni *ni, struct lnet_peer *lp)
> lp->lp_notifylnd = 0;
> lp->lp_notify = 0;
>
> - if (notifylnd && ni->ni_lnd->lnd_notify) {
> + if (notifylnd && ni->ni_net->net_lnd->lnd_notify) {
> lnet_net_unlock(lp->lp_cpt);
>
> /*
> * A new notification could happen now; I'll handle it
> * when control returns to me
> */
> - ni->ni_lnd->lnd_notify(ni, lp->lp_nid, alive);
> + ni->ni_net->net_lnd->lnd_notify(ni, lp->lp_nid, alive);
>
> lnet_net_lock(lp->lp_cpt);
> }
> @@ -380,8 +380,8 @@ lnet_add_route(__u32 net, __u32 hops, lnet_nid_t gateway,
> lnet_net_unlock(LNET_LOCK_EX);
>
> /* XXX Assume alive */
> - if (ni->ni_lnd->lnd_notify)
> - ni->ni_lnd->lnd_notify(ni, gateway, 1);
> + if (ni->ni_net->net_lnd->lnd_notify)
> + ni->ni_net->net_lnd->lnd_notify(ni, gateway, 1);
>
> lnet_net_lock(LNET_LOCK_EX);
> }
> @@ -818,7 +818,7 @@ lnet_update_ni_status_locked(void)
>
> now = ktime_get_real_seconds();
> list_for_each_entry(ni, &the_lnet.ln_nis, ni_list) {
> - if (ni->ni_lnd->lnd_type == LOLND)
> + if (ni->ni_net->net_lnd->lnd_type == LOLND)
> continue;
>
> if (now < ni->ni_last_alive + timeout)
> diff --git a/drivers/staging/lustre/lnet/lnet/router_proc.c b/drivers/staging/lustre/lnet/lnet/router_proc.c
> index 19cea7076057..f3ccd6a2b70e 100644
> --- a/drivers/staging/lustre/lnet/lnet/router_proc.c
> +++ b/drivers/staging/lustre/lnet/lnet/router_proc.c
> @@ -674,7 +674,7 @@ static int proc_lnet_nis(struct ctl_table *table, int write,
> last_alive = now - ni->ni_last_alive;
>
> /* @lo forever alive */
> - if (ni->ni_lnd->lnd_type == LOLND)
> + if (ni->ni_net->net_lnd->lnd_type == LOLND)
> last_alive = 0;
>
> lnet_ni_lock(ni);
>
>
>
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