LU-1303 osp: osp object operations

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

diff --git a/lustre/obdclass/lu_object.c b/lustre/obdclass/lu_object.c
index 40bf6ec..9eef99e 100644 (file)
--- a/lustre/obdclass/lu_object.c
+++ b/lustre/obdclass/lu_object.c
@@ -2060,3 +2060,34 @@ void lu_kmem_fini(struct lu_kmem_descr *caches)
         }
 }
 EXPORT_SYMBOL(lu_kmem_fini);
+
+/**
+ * Temporary solution to be able to assign fid in ->do_create()
+ * till we have fully-functional OST fids
+ */
+void lu_object_assign_fid(const struct lu_env *env, struct lu_object *o,
+                         const struct lu_fid *fid)
+{
+       struct lu_site          *s = o->lo_dev->ld_site;
+       struct lu_fid           *old = &o->lo_header->loh_fid;
+       struct lu_site_bkt_data *bkt;
+       struct lu_object        *shadow;
+       cfs_waitlink_t           waiter;
+       cfs_hash_t              *hs;
+       cfs_hash_bd_t            bd;
+       __u64                    version = 0;
+
+       LASSERT(fid_is_zero(old));
+
+       hs = s->ls_obj_hash;
+       cfs_hash_bd_get_and_lock(hs, (void *)fid, &bd, 1);
+       shadow = htable_lookup(s, &bd, fid, &waiter, &version);
+       /* supposed to be unique */
+       LASSERT(shadow == NULL);
+       *old = *fid;
+       bkt = cfs_hash_bd_extra_get(hs, &bd);
+       cfs_hash_bd_add_locked(hs, &bd, &o->lo_header->loh_hash);
+       bkt->lsb_busy++;
+       cfs_hash_bd_unlock(hs, &bd, 1);
+}
+EXPORT_SYMBOL(lu_object_assign_fid);