CDEBUG(D_NET, "Unlinking md %p\n", md);
if (md->md_eq != NULL) {
- md->md_eq->eq_refcount--;
- LASSERT (md->md_eq->eq_refcount >= 0);
- }
+ int cpt = lnet_cpt_of_cookie(md->md_lh.lh_cookie);
+
+ LASSERT(*md->md_eq->eq_refs[cpt] > 0);
+ (*md->md_eq->eq_refs[cpt])--;
+ }
- LASSERT (!cfs_list_empty(&md->md_list));
- cfs_list_del_init (&md->md_list);
+ LASSERT(!cfs_list_empty(&md->md_list));
+ cfs_list_del_init(&md->md_list);
lnet_md_free_locked(md);
}
/* must be called with resource lock held */
static int
-lnet_md_link(lnet_libmd_t *md, lnet_handle_eq_t eq_handle)
+lnet_md_link(lnet_libmd_t *md, lnet_handle_eq_t eq_handle, int cpt)
{
- struct lnet_res_container *container = &the_lnet.ln_md_container;
+ struct lnet_res_container *container = the_lnet.ln_md_containers[cpt];
/* NB we are passed an allocated, but inactive md.
* if we return success, caller may lnet_md_unlink() it.
if (md->md_eq == NULL)
return -ENOENT;
- md->md_eq->eq_refcount++;
+ (*md->md_eq->eq_refs[cpt])++;
}
lnet_res_lh_initialize(container, &md->md_lh);
*/
int
LNetMDAttach(lnet_handle_me_t meh, lnet_md_t umd,
- lnet_unlink_t unlink, lnet_handle_md_t *handle)
+ lnet_unlink_t unlink, lnet_handle_md_t *handle)
{
- CFS_LIST_HEAD (matches);
- CFS_LIST_HEAD (drops);
- lnet_me_t *me;
- lnet_libmd_t *md;
- int rc;
+ CFS_LIST_HEAD (matches);
+ CFS_LIST_HEAD (drops);
+ struct lnet_me *me;
+ struct lnet_libmd *md;
+ int cpt;
+ int rc;
LASSERT (the_lnet.ln_init);
LASSERT (the_lnet.ln_refcount > 0);
return -ENOMEM;
rc = lnet_md_build(md, &umd, unlink);
+ cpt = lnet_cpt_of_cookie(meh.cookie);
- lnet_res_lock();
+ lnet_res_lock(cpt);
if (rc != 0)
goto failed;
- me = lnet_handle2me(&meh);
+ me = lnet_handle2me(&meh);
if (me == NULL)
rc = -ENOENT;
else if (me->me_md != NULL)
- rc = -EBUSY;
+ rc = -EBUSY;
else
- rc = lnet_md_link(md, umd.eq_handle);
+ rc = lnet_md_link(md, umd.eq_handle, cpt);
if (rc != 0)
goto failed;
lnet_md2handle(handle, md);
- lnet_res_unlock();
+ lnet_res_unlock(cpt);
lnet_drop_delayed_msg_list(&drops, "Bad match");
lnet_recv_delayed_msg_list(&matches);
failed:
lnet_md_free_locked(md);
- lnet_res_unlock();
+ lnet_res_unlock(cpt);
return rc;
}
+EXPORT_SYMBOL(LNetMDAttach);
/**
* Create a "free floating" memory descriptor - a MD that is not associated
int
LNetMDBind(lnet_md_t umd, lnet_unlink_t unlink, lnet_handle_md_t *handle)
{
- lnet_libmd_t *md;
- int rc;
+ lnet_libmd_t *md;
+ int cpt;
+ int rc;
LASSERT (the_lnet.ln_init);
LASSERT (the_lnet.ln_refcount > 0);
rc = lnet_md_build(md, &umd, unlink);
- lnet_res_lock();
+ cpt = lnet_res_lock_current();
if (rc != 0)
goto failed;
- rc = lnet_md_link(md, umd.eq_handle);
+ rc = lnet_md_link(md, umd.eq_handle, cpt);
if (rc != 0)
goto failed;
lnet_md2handle(handle, md);
- lnet_res_unlock();
+ lnet_res_unlock(cpt);
return 0;
failed:
lnet_md_free_locked(md);
- lnet_res_unlock();
+ lnet_res_unlock(cpt);
return rc;
}
+EXPORT_SYMBOL(LNetMDBind);
/**
* Unlink the memory descriptor from any ME it may be linked to and release
int
LNetMDUnlink (lnet_handle_md_t mdh)
{
- lnet_event_t ev;
- lnet_libmd_t *md;
+ lnet_event_t ev;
+ lnet_libmd_t *md;
+ int cpt;
- LASSERT (the_lnet.ln_init);
- LASSERT (the_lnet.ln_refcount > 0);
+ LASSERT(the_lnet.ln_init);
+ LASSERT(the_lnet.ln_refcount > 0);
- lnet_res_lock();
+ cpt = lnet_cpt_of_cookie(mdh.cookie);
+ lnet_res_lock(cpt);
md = lnet_handle2md(&mdh);
if (md == NULL) {
- lnet_res_unlock();
+ lnet_res_unlock(cpt);
return -ENOENT;
}
lnet_md_unlink(md);
- lnet_res_unlock();
+ lnet_res_unlock(cpt);
return 0;
}
+EXPORT_SYMBOL(LNetMDUnlink);