f9fb182809
Update files from Gregory Nutt to Apache 2.0 license. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/****************************************************************************
|
|
* fs/driver/fs_closeblockdriver.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 <debug.h>
|
|
#include <errno.h>
|
|
#include <nuttx/fs/fs.h>
|
|
|
|
#include "inode/inode.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: close_blockdriver
|
|
*
|
|
* Description:
|
|
* Call the close method and release the inode
|
|
*
|
|
* Input Parameters:
|
|
* inode - reference to the inode of a block driver opened by
|
|
* open_blockdriver
|
|
*
|
|
* Returned Value:
|
|
* Returns zero on success or a negated errno on failure:
|
|
*
|
|
* EINVAL - inode is NULL
|
|
* ENOTBLK - The inode is not a block driver
|
|
*
|
|
****************************************************************************/
|
|
|
|
int close_blockdriver(FAR struct inode *inode)
|
|
{
|
|
int ret = 0; /* Assume success */
|
|
|
|
/* Sanity checks */
|
|
|
|
#ifdef CONFIG_DEBUG_FEATURES
|
|
if (!inode || !inode->u.i_bops)
|
|
{
|
|
ret = -EINVAL;
|
|
goto errout;
|
|
}
|
|
#endif
|
|
|
|
/* Verify that the inode is a block driver. */
|
|
|
|
if (!INODE_IS_BLOCK(inode))
|
|
{
|
|
ferr("ERROR: inode is not a block driver\n");
|
|
ret = -ENOTBLK;
|
|
goto errout;
|
|
}
|
|
|
|
/* Close the block driver. Not that no mutually exclusive access
|
|
* to the driver is enforced here. That must be done in the driver
|
|
* if needed.
|
|
*/
|
|
|
|
if (inode->u.i_bops->close)
|
|
{
|
|
ret = inode->u.i_bops->close(inode);
|
|
}
|
|
|
|
/* Then release the reference on the inode */
|
|
|
|
inode_release(inode);
|
|
|
|
errout:
|
|
return ret;
|
|
}
|