linux/fs/hpfs/ea.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/fs/hpfs/ea.c
 *
 *  Mikulas Patocka ([email protected]), 1998-1999
 *
 *  handling extended attributes
 */

#include "hpfs_fn.h"

/* Remove external extended attributes. ano specifies whether a is a 
   direct sector where eas starts or an anode */

void hpfs_ea_ext_remove(struct super_block *s, secno a, int ano, unsigned len)
{ … }

static char *get_indirect_ea(struct super_block *s, int ano, secno a, int size)
{ … }

static void set_indirect_ea(struct super_block *s, int ano, secno a,
			    const char *data, int size)
{ … }

/* Read an extended attribute named 'key' into the provided buffer */

int hpfs_read_ea(struct super_block *s, struct fnode *fnode, char *key,
		char *buf, int size)
{ … }

/* Read an extended attribute named 'key' */
char *hpfs_get_ea(struct super_block *s, struct fnode *fnode, char *key, int *size)
{ … }

/* 
 * Update or create extended attribute 'key' with value 'data'. Note that
 * when this ea exists, it MUST have the same size as size of data.
 * This driver can't change sizes of eas ('cause I just don't need it).
 */

void hpfs_set_ea(struct inode *inode, struct fnode *fnode, const char *key,
		 const char *data, int size)
{ … }