LU-8851 nodemap: add uid/gid only flags to control mapping

[fs/lustre-release.git] / lustre / obdclass / lustre_peer.c

diff --git a/lustre/obdclass/lustre_peer.c b/lustre/obdclass/lustre_peer.c
index 6ee43ab..95716e1 100644 (file)
--- a/lustre/obdclass/lustre_peer.c
+++ b/lustre/obdclass/lustre_peer.c
@@ -15,11 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -36,9 +32,6 @@
 
 #define DEBUG_SUBSYSTEM S_RPC
 
-#ifndef __KERNEL__
-# include <liblustre.h>
-#endif
 #include <obd.h>
 #include <obd_support.h>
 #include <obd_class.h>
@@ -50,27 +43,15 @@
 #define NIDS_MAX        32
 
 struct uuid_nid_data {
-        cfs_list_t       un_list;
-        struct obd_uuid  un_uuid;
-        int              un_nid_count;
-        lnet_nid_t       un_nids[NIDS_MAX];
+       struct list_head        un_list;
+       struct obd_uuid         un_uuid;
+       int                     un_nid_count;
+       lnet_nid_t              un_nids[NIDS_MAX];
 };
 
 /* FIXME: This should probably become more elegant than a global linked list */
-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);
-       spin_lock_init(&g_uuid_lock);
-}
-
-void class_exit_uuidlist(void)
-{
-        /* delete all */
-        class_del_uuid(NULL);
-}
+static LIST_HEAD(g_uuid_list);
+static DEFINE_SPINLOCK(g_uuid_lock);
 
 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index)
 {
@@ -80,7 +61,7 @@ int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index)
 
        obd_str2uuid(&tmp, uuid);
        spin_lock(&g_uuid_lock);
-       cfs_list_for_each_entry(data, &g_uuid_list, un_list) {
+       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;
@@ -116,7 +97,7 @@ int class_add_uuid(const char *uuid, __u64 nid)
         data->un_nid_count = 1;
 
        spin_lock(&g_uuid_lock);
-        cfs_list_for_each_entry(entry, &g_uuid_list, un_list) {
+       list_for_each_entry(entry, &g_uuid_list, un_list) {
                 if (obd_uuid_equals(&entry->un_uuid, &data->un_uuid)) {
                         int i;
 
@@ -133,7 +114,7 @@ int class_add_uuid(const char *uuid, __u64 nid)
                 }
         }
         if (!found)
-                cfs_list_add(&data->un_list, &g_uuid_list);
+               list_add(&data->un_list, &g_uuid_list);
        spin_unlock(&g_uuid_lock);
 
         if (found) {
@@ -145,48 +126,48 @@ int class_add_uuid(const char *uuid, __u64 nid)
         }
         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;
+       struct list_head deathrow;
+
+       INIT_LIST_HEAD(&deathrow);
 
        spin_lock(&g_uuid_lock);
-        if (uuid != NULL) {
-                struct obd_uuid tmp;
+       if (uuid != NULL) {
+               struct obd_uuid tmp;
 
-                obd_str2uuid(&tmp, uuid);
-                cfs_list_for_each_entry(data, &g_uuid_list, un_list) {
-                        if (obd_uuid_equals(&data->un_uuid, &tmp)) {
-                                cfs_list_move(&data->un_list, &deathrow);
-                                break;
-                        }
-                }
-        } else
-                cfs_list_splice_init(&g_uuid_list, &deathrow);
+               obd_str2uuid(&tmp, uuid);
+               list_for_each_entry(data, &g_uuid_list, un_list) {
+                       if (obd_uuid_equals(&data->un_uuid, &tmp)) {
+                               list_move(&data->un_list, &deathrow);
+                               break;
+                       }
+               }
+       } else
+               list_splice_init(&g_uuid_list, &deathrow);
        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);
-                return -EINVAL;
-        }
-
-        while (!cfs_list_empty(&deathrow)) {
-                data = cfs_list_entry(deathrow.next, struct uuid_nid_data,
-                                      un_list);
-                cfs_list_del(&data->un_list);
+       if (uuid != NULL && list_empty(&deathrow)) {
+               CDEBUG(D_INFO, "Try to delete a non-existent uuid %s\n", uuid);
+               return -EINVAL;
+       }
 
-                CDEBUG(D_INFO, "del uuid %s %s/%d\n",
-                       obd_uuid2str(&data->un_uuid),
-                       libcfs_nid2str(data->un_nids[0]),
-                       data->un_nid_count);
+       while (!list_empty(&deathrow)) {
+               data = list_entry(deathrow.next, struct uuid_nid_data,
+                                 un_list);
+               list_del(&data->un_list);
 
-                OBD_FREE(data, sizeof(*data));
-        }
+               CDEBUG(D_INFO, "del uuid %s %s/%d\n",
+                      obd_uuid2str(&data->un_uuid),
+                      libcfs_nid2str(data->un_nids[0]),
+                      data->un_nid_count);
 
-        return 0;
+               OBD_FREE(data, sizeof(*data));
+       }
+       return 0;
 }
 
 /* check if @nid exists in nid list of @uuid */
@@ -200,7 +181,7 @@ int class_check_uuid(struct obd_uuid *uuid, __u64 nid)
                obd_uuid2str(uuid), libcfs_nid2str(nid));
 
        spin_lock(&g_uuid_lock);
-        cfs_list_for_each_entry(entry, &g_uuid_list, un_list) {
+       list_for_each_entry(entry, &g_uuid_list, un_list) {
                 int i;
 
                 if (!obd_uuid_equals(&entry->un_uuid, uuid))