linux/fs/jfs/jfs_xattr.h
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program if not write to the free software foundation inc
  59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

63 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) International Business Machines Corp., 2000-2002
*/
#ifndef H_JFS_XATTR
#define H_JFS_XATTR
#include <linux/xattr.h>
/*
* jfs_ea_list describe the on-disk format of the extended attributes.
* I know the null-terminator is redundant since namelen is stored, but
* I am maintaining compatibility with OS/2 where possible.
*/
struct jfs_ea {
u8 flag; /* Unused? */
u8 namelen; /* Length of name */
__le16 valuelen; /* Length of value */
char name[0]; /* Attribute name (includes null-terminator) */
}; /* Value immediately follows name */
struct jfs_ea_list {
__le32 size; /* overall size */
struct jfs_ea ea[0]; /* Variable length list */
};
/* Macros for defining maxiumum number of bytes supported for EAs */
#define MAXEASIZE 65535
#define MAXEALISTSIZE MAXEASIZE
/*
* some macros for dealing with variable length EA lists.
*/
#define EA_SIZE(ea) \
(sizeof (struct jfs_ea) + (ea)->namelen + 1 + \
le16_to_cpu((ea)->valuelen))
#define NEXT_EA(ea) ((struct jfs_ea *) (((char *) (ea)) + (EA_SIZE (ea))))
#define FIRST_EA(ealist) ((ealist)->ea)
#define EALIST_SIZE(ealist) le32_to_cpu((ealist)->size)
#define END_EALIST(ealist) \
((struct jfs_ea *) (((char *) (ealist)) + EALIST_SIZE(ealist)))
extern int __jfs_setxattr(tid_t, struct inode *, const char *, const void *,
size_t, int);
extern ssize_t __jfs_getxattr(struct inode *, const char *, void *, size_t);
extern ssize_t jfs_listxattr(struct dentry *, char *, size_t);
extern const struct xattr_handler *jfs_xattr_handlers[];
#ifdef CONFIG_JFS_SECURITY
extern int jfs_init_security(tid_t, struct inode *, struct inode *,
const struct qstr *);
#else
static inline int jfs_init_security(tid_t tid, struct inode *inode,
struct inode *dir, const struct qstr *qstr)
{
return 0;
}
#endif
#endif /* H_JFS_XATTR */