* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
siov->kiov_len - soffset);
this_nob = MIN(this_nob, nob);
- if (daddr == NULL)
- daddr = ((char *)cfs_kmap(diov->kiov_page)) +
- diov->kiov_offset + doffset;
- if (saddr == NULL)
- saddr = ((char *)cfs_kmap(siov->kiov_page)) +
- siov->kiov_offset + soffset;
+ if (daddr == NULL)
+ daddr = ((char *)kmap(diov->kiov_page)) +
+ diov->kiov_offset + doffset;
+ if (saddr == NULL)
+ saddr = ((char *)kmap(siov->kiov_page)) +
+ siov->kiov_offset + soffset;
- /* Vanishing risk of kmap deadlock when mapping 2 pages.
- * However in practice at least one of the kiovs will be mapped
- * kernel pages and the map/unmap will be NOOPs */
+ /* Vanishing risk of kmap deadlock when mapping 2 pages.
+ * However in practice at least one of the kiovs will be mapped
+ * kernel pages and the map/unmap will be NOOPs */
- memcpy (daddr, saddr, this_nob);
- nob -= this_nob;
+ memcpy (daddr, saddr, this_nob);
+ nob -= this_nob;
- if (diov->kiov_len > doffset + this_nob) {
- daddr += this_nob;
- doffset += this_nob;
- } else {
- cfs_kunmap(diov->kiov_page);
- daddr = NULL;
- diov++;
- ndiov--;
- doffset = 0;
- }
+ if (diov->kiov_len > doffset + this_nob) {
+ daddr += this_nob;
+ doffset += this_nob;
+ } else {
+ kunmap(diov->kiov_page);
+ daddr = NULL;
+ diov++;
+ ndiov--;
+ doffset = 0;
+ }
- if (siov->kiov_len > soffset + this_nob) {
- saddr += this_nob;
- soffset += this_nob;
- } else {
- cfs_kunmap(siov->kiov_page);
- saddr = NULL;
- siov++;
- nsiov--;
- soffset = 0;
- }
- } while (nob > 0);
+ if (siov->kiov_len > soffset + this_nob) {
+ saddr += this_nob;
+ soffset += this_nob;
+ } else {
+ kunmap(siov->kiov_page);
+ saddr = NULL;
+ siov++;
+ nsiov--;
+ soffset = 0;
+ }
+ } while (nob > 0);
- if (daddr != NULL)
- cfs_kunmap(diov->kiov_page);
- if (saddr != NULL)
- cfs_kunmap(siov->kiov_page);
+ if (daddr != NULL)
+ kunmap(diov->kiov_page);
+ if (saddr != NULL)
+ kunmap(siov->kiov_page);
}
EXPORT_SYMBOL(lnet_copy_kiov2kiov);
this_nob = MIN(this_nob, nob);
if (addr == NULL)
- addr = ((char *)cfs_kmap(kiov->kiov_page)) +
+ addr = ((char *)kmap(kiov->kiov_page)) +
kiov->kiov_offset + kiovoffset;
memcpy ((char *)iov->iov_base + iovoffset, addr, this_nob);
addr += this_nob;
kiovoffset += this_nob;
} else {
- cfs_kunmap(kiov->kiov_page);
- addr = NULL;
- kiov++;
- nkiov--;
- kiovoffset = 0;
- }
+ kunmap(kiov->kiov_page);
+ addr = NULL;
+ kiov++;
+ nkiov--;
+ kiovoffset = 0;
+ }
- } while (nob > 0);
+ } while (nob > 0);
- if (addr != NULL)
- cfs_kunmap(kiov->kiov_page);
+ if (addr != NULL)
+ kunmap(kiov->kiov_page);
}
EXPORT_SYMBOL(lnet_copy_kiov2iov);
this_nob = MIN(this_nob, nob);
if (addr == NULL)
- addr = ((char *)cfs_kmap(kiov->kiov_page)) +
- kiov->kiov_offset + kiovoffset;
+ addr = ((char *)kmap(kiov->kiov_page)) +
+ kiov->kiov_offset + kiovoffset;
- memcpy (addr, (char *)iov->iov_base + iovoffset, this_nob);
- nob -= this_nob;
+ memcpy (addr, (char *)iov->iov_base + iovoffset, this_nob);
+ nob -= this_nob;
- if (kiov->kiov_len > kiovoffset + this_nob) {
- addr += this_nob;
- kiovoffset += this_nob;
- } else {
- cfs_kunmap(kiov->kiov_page);
- addr = NULL;
- kiov++;
- nkiov--;
- kiovoffset = 0;
- }
+ if (kiov->kiov_len > kiovoffset + this_nob) {
+ addr += this_nob;
+ kiovoffset += this_nob;
+ } else {
+ kunmap(kiov->kiov_page);
+ addr = NULL;
+ kiov++;
+ nkiov--;
+ kiovoffset = 0;
+ }
- if (iov->iov_len > iovoffset + this_nob) {
- iovoffset += this_nob;
- } else {
- iov++;
- niov--;
- iovoffset = 0;
- }
- } while (nob > 0);
+ if (iov->iov_len > iovoffset + this_nob) {
+ iovoffset += this_nob;
+ } else {
+ iov++;
+ niov--;
+ iovoffset = 0;
+ }
+ } while (nob > 0);
- if (addr != NULL)
- cfs_kunmap(kiov->kiov_page);
+ if (addr != NULL)
+ kunmap(kiov->kiov_page);
}
EXPORT_SYMBOL(lnet_copy_iov2kiov);
dst->kiov_page = src->kiov_page;
dst->kiov_offset = src->kiov_offset + offset;
- if (len <= frag_len) {
- dst->kiov_len = len;
- LASSERT (dst->kiov_offset + dst->kiov_len <= CFS_PAGE_SIZE);
- return (niov);
- }
+ if (len <= frag_len) {
+ dst->kiov_len = len;
+ LASSERT (dst->kiov_offset + dst->kiov_len <= PAGE_CACHE_SIZE);
+ return niov;
+ }
- dst->kiov_len = frag_len;
- LASSERT (dst->kiov_offset + dst->kiov_len <= CFS_PAGE_SIZE);
+ dst->kiov_len = frag_len;
+ LASSERT (dst->kiov_offset + dst->kiov_len <= PAGE_CACHE_SIZE);
len -= frag_len;
dst++;
void
lnet_ni_query_locked(lnet_ni_t *ni, lnet_peer_t *lp)
{
- cfs_time_t last_alive = 0;
+ cfs_time_t last_alive = 0;
LASSERT(lnet_peer_aliveness_enabled(lp));
LASSERT(ni->ni_lnd->lnd_query != NULL);
- LASSERT(the_lnet.ln_routing == 1);
lnet_net_unlock(lp->lp_cpt);
(ni->ni_lnd->lnd_query)(ni, lp->lp_nid, &last_alive);
cfs_time_t deadline;
LASSERT (lnet_peer_aliveness_enabled(lp));
- LASSERT (the_lnet.ln_routing == 1);
/* Trust lnet_notify() if it has more recent aliveness news, but
* ignore the initial assumed death (see lnet_peers_start_down()).
{
cfs_time_t now = cfs_time_current();
- /* LU-630: only router checks peer health. */
- if (the_lnet.ln_routing == 0)
- return 1;
-
if (!lnet_peer_aliveness_enabled(lp))
return -ENODEV;
rbp = &the_lnet.ln_rtrpools[cpt][0];
LASSERT(msg->msg_len <= LNET_MTU);
- while (msg->msg_len > (unsigned int)rbp->rbp_npages * CFS_PAGE_SIZE) {
+ while (msg->msg_len > (unsigned int)rbp->rbp_npages * PAGE_CACHE_SIZE) {
rbp++;
LASSERT(rbp < &the_lnet.ln_rtrpools[cpt][LNET_NRBPOOLS]);
}
lnet_peer_t *p1 = r1->lr_gateway;
lnet_peer_t *p2 = r2->lr_gateway;
+ if (r1->lr_priority < r2->lr_priority)
+ return 1;
+
+ if (r1->lr_priority > r2->lr_priority)
+ return -1;
+
if (r1->lr_hops < r2->lr_hops)
return 1;
libcfs_id2str(target));
return -ENOMEM;
}
- msg->msg_vmflush = !!cfs_memory_pressure_get();
+ msg->msg_vmflush = !!memory_pressure_get();
cpt = lnet_cpt_of_cookie(mdh.cookie);
lnet_res_lock(cpt);
int hops;
int cpt;
__u32 order = 2;
+ cfs_list_t *rn_list;
/* if !local_nid_dist_zero, I don't return a distance of 0 ever
* (when lustre sees a distance of 0, it substitutes 0@lo), so I
if (orderp != NULL)
*orderp = order;
lnet_net_unlock(cpt);
- return 1;
- }
+ return 1;
+ }
- order++;
- }
+ order++;
+ }
- cfs_list_for_each (e, &the_lnet.ln_remote_nets) {
+ rn_list = lnet_net2rnethash(dstnet);
+ cfs_list_for_each(e, rn_list) {
rnet = cfs_list_entry(e, lnet_remotenet_t, lrn_list);
if (rnet->lrn_net == dstnet) {