LU-4588 code: replace semaphores with mutexes

[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_compat.c

diff --git a/lustre/osd-ldiskfs/osd_compat.c b/lustre/osd-ldiskfs/osd_compat.c
index e693e8d..8b91b64 100644 (file)
--- a/lustre/osd-ldiskfs/osd_compat.c
+++ b/lustre/osd-ldiskfs/osd_compat.c
@@ -377,7 +377,7 @@ static int osd_ost_init(const struct lu_env *env, struct osd_device *dev)
 
        CFS_INIT_LIST_HEAD(&dev->od_ost_map->om_seq_list);
        rwlock_init(&dev->od_ost_map->om_seq_list_lock);
-       sema_init(&dev->od_ost_map->om_dir_init_sem, 1);
+       mutex_init(&dev->od_ost_map->om_dir_init_mutex);
 
         osd_push_ctxt(dev, &new, &save);
 
@@ -813,7 +813,7 @@ static struct osd_obj_seq *osd_seq_load(struct osd_thread_info *info,
                RETURN(osd_seq);
 
        /* Serializing init process */
-       down(&map->om_dir_init_sem);
+       mutex_lock(&map->om_dir_init_mutex);
 
        /* Check whether the seq has been added */
        read_lock(&map->om_seq_list_lock);
@@ -842,7 +842,7 @@ static struct osd_obj_seq *osd_seq_load(struct osd_thread_info *info,
        write_unlock(&map->om_seq_list_lock);
 
 cleanup:
-       up(&map->om_dir_init_sem);
+       mutex_unlock(&map->om_dir_init_mutex);
        if (rc != 0) {
                if (osd_seq != NULL)
                        OBD_FREE_PTR(osd_seq);