63f83c9fcf
Removed trailing spaces & tabs, and spaces preceding tabs. Also a couple very minor comment cleanups. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> (cherry picked from f74156539964d7b3d5164fdf8848e6a682f75b97 commit)
74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/*
|
|
* Copyright (C) International Business Machines Corp., 2000-2002
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef H_JFS_XATTR
|
|
#define H_JFS_XATTR
|
|
|
|
/*
|
|
* 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 int jfs_setxattr(struct dentry *, const char *, const void *, size_t,
|
|
int);
|
|
extern ssize_t __jfs_getxattr(struct inode *, const char *, void *, size_t);
|
|
extern ssize_t jfs_getxattr(struct dentry *, const char *, void *, size_t);
|
|
extern ssize_t jfs_listxattr(struct dentry *, char *, size_t);
|
|
extern int jfs_removexattr(struct dentry *, const char *);
|
|
|
|
#ifdef CONFIG_JFS_SECURITY
|
|
extern int jfs_init_security(tid_t, struct inode *, struct inode *);
|
|
#else
|
|
static inline int jfs_init_security(tid_t tid, struct inode *inode,
|
|
struct inode *dir)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#endif /* H_JFS_XATTR */
|