コード例 #1
0
ファイル: qsd_lock.c プロジェクト: Lezval/lustre
int qsd_id_lock_cancel(const struct lu_env *env, struct lquota_entry *lqe)
{
	struct qsd_thread_info	*qti = qsd_info(env);
	int			 rc;
	ENTRY;

	lqe_write_lock(lqe);
	if (lqe->lqe_pending_write || lqe->lqe_waiting_write ||
	    lqe->lqe_usage || lqe->lqe_granted) {
		lqe_write_unlock(lqe);
		RETURN(0);
	}

	lustre_handle_copy(&qti->qti_lockh, &lqe->lqe_lockh);
	if (lustre_handle_is_used(&qti->qti_lockh)) {
		memset(&lqe->lqe_lockh, 0, sizeof(lqe->lqe_lockh));
		qsd_set_qunit(lqe, 0);
		lqe->lqe_edquot = false;
	}
	lqe_write_unlock(lqe);

	rc = qsd_id_lock_match(&qti->qti_lockh, NULL);
	if (rc)
		RETURN(rc);

	ldlm_lock_decref_and_cancel(&qti->qti_lockh, qsd_id_einfo.ei_mode);
	RETURN(0);
}
コード例 #2
0
ファイル: mgs_handler.c プロジェクト: LLNL/lustre
static int mgs_completion_ast_ir(struct ldlm_lock *lock, int flags,
                                 void *cbdata)
{
        ENTRY;

        if (!(flags & (LDLM_FL_BLOCK_WAIT | LDLM_FL_BLOCK_GRANTED |
                       LDLM_FL_BLOCK_CONV))) {
                struct fs_db *fsdb = (struct fs_db *)lock->l_ast_data;
                struct lustre_handle lockh;

                mgs_ir_notify_complete(fsdb);

                ldlm_lock2handle(lock, &lockh);
                ldlm_lock_decref_and_cancel(&lockh, LCK_EX);
        }

        RETURN(ldlm_completion_ast(lock, flags, cbdata));
}
コード例 #3
0
ファイル: mgs_handler.c プロジェクト: LLNL/lustre
static int mgs_completion_ast_config(struct ldlm_lock *lock, int flags,
                                     void *cbdata)
{
        ENTRY;

        if (!(flags & (LDLM_FL_BLOCK_WAIT | LDLM_FL_BLOCK_GRANTED |
                       LDLM_FL_BLOCK_CONV))) {
                struct fs_db *fsdb = (struct fs_db *)lock->l_ast_data;
                struct lustre_handle lockh;

                /* clear the bit before lock put */
                cfs_clear_bit(FSDB_REVOKING_LOCK, &fsdb->fsdb_flags);

                ldlm_lock2handle(lock, &lockh);
                ldlm_lock_decref_and_cancel(&lockh, LCK_EX);
        }

        RETURN(ldlm_completion_ast(lock, flags, cbdata));
}