From: Amir Shehata Date: Sat, 7 May 2016 01:30:26 +0000 (-0400) Subject: staging: lustre: o2iblnd: create default o2iblnd tunable settings X-Git-Tag: v4.7-rc1~90^2~22 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=025ba826316c9809073702302578efcfa4ba3f6f;p=karo-tx-linux.git staging: lustre: o2iblnd: create default o2iblnd tunable settings Create and set the default o2iblnd tunables when the ko2iblnd module loads. Move kiblnd_tunables_setup() to when the NI iterface is initialized. Signed-off-by: Amir Shehata Signed-off-by: James Simmons Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7101 Reviewed-on: http://review.whamcloud.com/16367 Reviewed-by: Doug Oucharek Reviewed-by: Olaf Weber Reviewed-by: Oleg Drokin Signed-off-by: James Simmons Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c index 425148b9de63..92362b3d8736 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c @@ -2920,6 +2920,9 @@ static int kiblnd_startup(lnet_ni_t *ni) net->ibn_incarnation = tv.tv_sec * USEC_PER_SEC + tv.tv_nsec / NSEC_PER_USEC; + rc = kiblnd_tunables_setup(); + if (rc) + goto net_failed; ni->ni_peertimeout = *kiblnd_tunables.kib_peertimeout; ni->ni_maxtxcredits = *kiblnd_tunables.kib_credits; ni->ni_peertxcredits = *kiblnd_tunables.kib_peertxcredits; @@ -3005,8 +3008,6 @@ static void __exit ko2iblnd_exit(void) static int __init ko2iblnd_init(void) { - int rc; - CLASSERT(sizeof(kib_msg_t) <= IBLND_MSG_SIZE); CLASSERT(offsetof(kib_msg_t, ibm_u.get.ibgm_rd.rd_frags[IBLND_MAX_RDMA_FRAGS]) @@ -3015,9 +3016,7 @@ static int __init ko2iblnd_init(void) ibm_u.putack.ibpam_rd.rd_frags[IBLND_MAX_RDMA_FRAGS]) <= IBLND_MSG_SIZE); - rc = kiblnd_tunables_init(); - if (rc) - return rc; + kiblnd_tunables_init(); lnet_register_lnd(&the_o2iblnd); diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h index fab0ef98fe9d..80e11bcae51d 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h @@ -994,7 +994,8 @@ int kiblnd_fmr_pool_map(kib_fmr_poolset_t *fps, kib_tx_t *tx, kib_fmr_t *fmr); void kiblnd_fmr_pool_unmap(kib_fmr_t *fmr, int status); -int kiblnd_tunables_init(void); +int kiblnd_tunables_setup(void); +void kiblnd_tunables_init(void); void kiblnd_tunables_fini(void); int kiblnd_connd(void *arg); diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c index a6415fc995b4..cc1469dc7c2b 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c @@ -171,6 +171,8 @@ kib_tunables_t kiblnd_tunables = { .kib_nscheds = &nscheds }; +static struct lnet_ioctl_config_o2iblnd_tunables default_tunables; + /* # messages/RDMAs in-flight */ int kiblnd_msg_queue_size(int version, lnet_ni_t *ni) { @@ -182,8 +184,7 @@ int kiblnd_msg_queue_size(int version, lnet_ni_t *ni) return peer_credits; } -int -kiblnd_tunables_init(void) +int kiblnd_tunables_setup(void) { if (kiblnd_translate_mtu(*kiblnd_tunables.kib_ib_mtu) < 0) { CERROR("Invalid ib_mtu %d, expected 256/512/1024/2048/4096\n", @@ -234,3 +235,14 @@ kiblnd_tunables_init(void) return 0; } + +void kiblnd_tunables_init(void) +{ + default_tunables.lnd_version = 0; + default_tunables.lnd_peercredits_hiw = peer_credits_hiw, + default_tunables.lnd_map_on_demand = map_on_demand; + default_tunables.lnd_concurrent_sends = concurrent_sends; + default_tunables.lnd_fmr_pool_size = fmr_pool_size; + default_tunables.lnd_fmr_flush_trigger = fmr_flush_trigger; + default_tunables.lnd_fmr_cache = fmr_cache; +}