LU-15218 quota: delete unused quota ID

[fs/lustre-release.git] / lustre / quota / lquota_disk.c

diff --git a/lustre/quota/lquota_disk.c b/lustre/quota/lquota_disk.c
index 4353f1a..bc71833 100644 (file)
--- a/lustre/quota/lquota_disk.c
+++ b/lustre/quota/lquota_disk.c
@@ -701,6 +701,36 @@ out:
        return rc;
 }
 
+int lquota_disk_delete(const struct lu_env *env, struct thandle *th,
+                      struct dt_object *obj, __u64 qid, __u64 *ver)
+{
+       struct lquota_thread_info       *qti = lquota_info(env);
+       struct dt_key                   *key = (struct dt_key *)&qid;
+       int                              rc;
+
+       ENTRY;
+
+       LASSERT(dt_object_exists(obj));
+       LASSERT(obj->do_index_ops != NULL);
+
+       /* lock index */
+       dt_write_lock(env, obj, 0);
+
+       /* check whether there is already an existing record for this ID */
+       rc = dt_lookup(env, obj, (struct dt_rec *)&qti->qti_rec, key);
+       if (rc == 0) {
+               rc = dt_delete(env, obj, key, th);
+               if (rc == 0 && ver != NULL) {
+                       *ver = dt_version_get(env, obj);
+                       (*ver)++;
+                       dt_version_set(env, obj, *ver, th);
+               }
+       }
+
+       dt_write_unlock(env, obj);
+       RETURN(rc);
+}
+
 /*
  * Update version of an index file
  *