cache_inode_access.c File Reference

Check for object accessibility. More...

#include "LRU_List.h"
#include "log.h"
#include "HashData.h"
#include "HashTable.h"
#include "fsal.h"
#include "cache_inode.h"
#include "abstract_mem.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/param.h>
#include <time.h>
#include <pthread.h>

Go to the source code of this file.

Functions
cache_inode_status_t	cache_inode_access_sw (cache_entry_t *entry, fsal_accessflags_t access_type, fsal_op_context_t *context, cache_inode_status_t *status, int use_mutex)
	Checks the permissions on an object.
cache_inode_status_t	cache_inode_access_no_mutex (cache_entry_t *entry, fsal_accessflags_t access_type, fsal_op_context_t *context, cache_inode_status_t *status)
	Checks entry permissions without taking a lock.
cache_inode_status_t	cache_inode_access (cache_entry_t *entry, fsal_accessflags_t access_type, fsal_op_context_t *context, cache_inode_status_t *status)
	Checks permissions on an entry.

---

Detailed Description

Check for object accessibility.

Author:

Author:

deniel

Date:

Date:

2005/11/28 17:02:26

Version:

Revision:

1.19

cache_inode_access.c : Check for object accessibility.

Definition in file cache_inode_access.c.

---

Function Documentation

cache_inode_status_t cache_inode_access	(	cache_entry_t *	entry,
		fsal_accessflags_t	access_type,
		fsal_op_context_t *	context,
		cache_inode_status_t *	status
	)

Checks permissions on an entry.

This function acquires the attribute lock on the supplied cach entry then checks if the supplied credentials are sufficient to gain the supplied access.

Parameters:

[in]	entry	The object to be checked
[in]	access_type	The kind of access to be checked
[in]	context	FSAL credentials
[in]	status	Returned status

Returns:

CACHE_INODE_SUCCESS if operation is a success

Definition at line 191 of file cache_inode_access.c.

cache_inode_status_t cache_inode_access_no_mutex	(	cache_entry_t *	entry,
		fsal_accessflags_t	access_type,
		fsal_op_context_t *	context,
		cache_inode_status_t *	status
	)

Checks entry permissions without taking a lock.

This function checks whether the specified permissions are available on the object. This function may only be called if an attribute lock is held.

Parameters:

[in]	entry	entry pointer for the fs object to be checked.
[in]	access_type	The kind of access to be checked
[in]	context	FSAL credentials
[out]	status	Returned status

Returns:

CACHE_INODE_SUCCESS if operation is a success

Definition at line 166 of file cache_inode_access.c.

cache_inode_status_t cache_inode_access_sw	(	cache_entry_t *	entry,
		fsal_accessflags_t	access_type,
		fsal_op_context_t *	context,
		cache_inode_status_t *	status,
		int	use_mutex
	)

Checks the permissions on an object.

This function returns success if the supplied credentials possess permission required to meet the specified access.

Parameters:

[in]	entry	The object to be checked
[in]	access_type	The kind of access to be checked
[in]	context	FSAL context
[out]	status	Returned status
[in]	use_mutex	Whether to acquire a read lock

Returns:

CACHE_INODE_SUCCESS if operation is a success

Definition at line 75 of file cache_inode_access.c.