incubator-nuttx/fs/inode/fs_inoderelease.c

61 lines
2.0 KiB
C

/****************************************************************************
* fs/inode/fs_inoderelease.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <assert.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/kmalloc.h>
#include <nuttx/fs/fs.h>
#include "inode/inode.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: inode_release
*
* Description:
* This is called from close() logic when it no longer refers to the inode.
*
****************************************************************************/
void inode_release(FAR struct inode *inode)
{
if (inode)
{
/* Decrement the references of the inode */
if (atomic_fetch_sub(&inode->i_crefs, 1) <= 1)
{
DEBUGASSERT(inode->i_peer == NULL);
inode_free(inode);
}
}
}