rtems-rfs-file-system.c File Reference

RTEMS File Systems OpenOpen the file system by reading the superblock and then the group data. More...

#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
#include <rtems/rfs/rtems-rfs-data.h>
#include <rtems/rfs/rtems-rfs-file-system.h>
#include <rtems/rfs/rtems-rfs-inode.h>
#include <rtems/rfs/rtems-rfs-trace.h>

Macros
#define	read_sb(_o)   rtems_rfs_read_u32 (sb + (_o))

Functions
uint64_t	rtems_rfs_fs_size (rtems_rfs_file_system *fs)
uint64_t	rtems_rfs_fs_media_size (rtems_rfs_file_system *fs)
int	rtems_rfs_fs_open (const char *name, void *user, uint32_t flags, uint32_t max_held_buffers, rtems_rfs_file_system **fs)
int	rtems_rfs_fs_close (rtems_rfs_file_system *fs)

Detailed Description

RTEMS File Systems Open

Open the file system by reading the superblock and then the group data.

Function Documentation

rtems_rfs_fs_close()

int rtems_rfs_fs_close

(

rtems_rfs_file_system *

fs

)

Close the file system.

Parameters

[in]

fs

is the file system data.

Return values

0	Successful operation.
-1	Error. See errno

rtems_rfs_fs_media_size()

uint64_t rtems_rfs_fs_media_size

(

rtems_rfs_file_system *

fs

)

The size of the disk in bytes calculated from the media parameters..

Parameters

[in]

fs

is a pointer to the file system.

Returns

uint64_t The size of the disk in bytes.

rtems_rfs_fs_open()

int rtems_rfs_fs_open	(	const char *	name,
		void *	user,
		uint32_t	flags,
		uint32_t	max_held_buffers,
		rtems_rfs_file_system **	fs
	)

Open the file system given a file path.

Parameters

[in]	name	is a pointer to the device to open.
[in]	fs	is the file system data filled in by this call.
[in]	user	is a pointer to the user data.
[in]	flags	is a initial set of user flags for the file system.
[in]	max_held_buffers	is the maximum number of buffers the RFS holds.

Return values

0	Successful operation.
-1	Error. See errno

rtems_rfs_fs_size()

uint64_t rtems_rfs_fs_size

(

rtems_rfs_file_system *

fs

)

Return the size of the disk in bytes.

Parameters

[in]

fs

is a pointer to the file system.

Returns

uint64_t The size of the disk in bytes.