sa_handle_t *oo_sa_hdl;
nvlist_t *oo_sa_xattr;
struct list_head oo_sa_linkage;
- struct list_head oo_unlinked_linkage;
+ /* used to implement osd_object_*_{lock|unlock} */
struct rw_semaphore oo_sem;
+ /* to serialize some updates: destroy vs. others,
+ * xattr_set, etc */
+ struct rw_semaphore oo_guard;
+
+ /* protected by oo_guard */
+ struct list_head oo_unlinked_linkage;
+
/* cached attributes */
rwlock_t oo_attr_lock;
struct lu_attr oo_attr;
- /* protects extended attributes and oo_unlinked_linkage */
- struct semaphore oo_guard;
+ /* external dnode holding large EAs, protected by oo_guard */
uint64_t oo_xattr;
enum osd_destroy_type oo_destroy;
{
int rc;
+ if (unlikely(!dt_object_exists(&obj->oo_dt) || obj->oo_destroyed))
+ return -ENOENT;
+
+ LASSERT(obj->oo_db);
if (osd_obj2dev(obj)->od_xattr_in_sa) {
rc = __osd_sa_xattr_set(env, obj, buf, name, fl, oh);
if (rc == -EFBIG)