-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
};
/* FIXME: This should probably become more elegant than a global linked list */
-static cfs_list_t g_uuid_list;
-static cfs_spinlock_t g_uuid_lock;
+static cfs_list_t g_uuid_list;
+static spinlock_t g_uuid_lock;
void class_init_uuidlist(void)
{
- CFS_INIT_LIST_HEAD(&g_uuid_list);
- cfs_spin_lock_init(&g_uuid_lock);
+ CFS_INIT_LIST_HEAD(&g_uuid_list);
+ spin_lock_init(&g_uuid_lock);
}
void class_exit_uuidlist(void)
int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index)
{
- struct uuid_nid_data *data;
- struct obd_uuid tmp;
- int rc = -ENOENT;
-
- obd_str2uuid(&tmp, uuid);
- cfs_spin_lock(&g_uuid_lock);
- cfs_list_for_each_entry(data, &g_uuid_list, un_list) {
- if (obd_uuid_equals(&data->un_uuid, &tmp)) {
- if (index >= data->un_nid_count)
- break;
-
- rc = 0;
- *peer_nid = data->un_nids[index];
- break;
- }
- }
- cfs_spin_unlock(&g_uuid_lock);
- return rc;
+ struct uuid_nid_data *data;
+ struct obd_uuid tmp;
+ int rc = -ENOENT;
+
+ obd_str2uuid(&tmp, uuid);
+ spin_lock(&g_uuid_lock);
+ cfs_list_for_each_entry(data, &g_uuid_list, un_list) {
+ if (obd_uuid_equals(&data->un_uuid, &tmp)) {
+ if (index >= data->un_nid_count)
+ break;
+
+ rc = 0;
+ *peer_nid = data->un_nids[index];
+ break;
+ }
+ }
+ spin_unlock(&g_uuid_lock);
+ return rc;
}
+EXPORT_SYMBOL(lustre_uuid_to_peer);
/* Add a nid to a niduuid. Multiple nids can be added to a single uuid;
LNET will choose the best one. */
data->un_nids[0] = nid;
data->un_nid_count = 1;
- cfs_spin_lock(&g_uuid_lock);
+ spin_lock(&g_uuid_lock);
cfs_list_for_each_entry(entry, &g_uuid_list, un_list) {
if (obd_uuid_equals(&entry->un_uuid, &data->un_uuid)) {
int i;
if (i == entry->un_nid_count) {
LASSERT(entry->un_nid_count < NIDS_MAX);
- entry->un_nids[++entry->un_nid_count] = nid;
+ entry->un_nids[entry->un_nid_count++] = nid;
}
break;
}
}
if (!found)
cfs_list_add(&data->un_list, &g_uuid_list);
- cfs_spin_unlock(&g_uuid_lock);
+ spin_unlock(&g_uuid_lock);
if (found) {
CDEBUG(D_INFO, "found uuid %s %s cnt=%d\n", uuid,
}
return 0;
}
+EXPORT_SYMBOL(class_add_uuid);
/* Delete the nids for one uuid if specified, otherwise delete all */
int class_del_uuid(const char *uuid)
{
- CFS_LIST_HEAD(deathrow);
- struct uuid_nid_data *data;
+ CFS_LIST_HEAD(deathrow);
+ struct uuid_nid_data *data;
- cfs_spin_lock(&g_uuid_lock);
+ spin_lock(&g_uuid_lock);
if (uuid != NULL) {
struct obd_uuid tmp;
}
} else
cfs_list_splice_init(&g_uuid_list, &deathrow);
- cfs_spin_unlock(&g_uuid_lock);
+ spin_unlock(&g_uuid_lock);
if (uuid != NULL && cfs_list_empty(&deathrow)) {
CDEBUG(D_INFO, "Try to delete a non-existent uuid %s\n", uuid);
CDEBUG(D_INFO, "check if uuid %s has %s.\n",
obd_uuid2str(uuid), libcfs_nid2str(nid));
- cfs_spin_lock(&g_uuid_lock);
+ spin_lock(&g_uuid_lock);
cfs_list_for_each_entry(entry, &g_uuid_list, un_list) {
int i;
}
break;
}
- cfs_spin_unlock (&g_uuid_lock);
- RETURN(found);
+ spin_unlock(&g_uuid_lock);
+ RETURN(found);
}
EXPORT_SYMBOL(class_check_uuid);