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OpenCloudOS-Kernel
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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 <amir.shehata@intel.com>
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7101
Reviewed-on: http://review.whamcloud.com/16367
Reviewed-by: Doug Oucharek <doug.s.oucharek@intel.com>
Reviewed-by: Olaf Weber <olaf@sgi.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Amir Shehata 2016-05-06 21:30:26 -04:00 committed by Greg Kroah-Hartman
parent 9e7d5bf357
commit 025ba82631
3 changed files with 20 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
View File

@ -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);

3
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
View File

@ -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);

16
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c
View File

@ -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;
}