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- /* 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[]; /* Attribute name (includes null-terminator) */
- }; /* Value immediately follows name */
- struct jfs_ea_list {
- __le32 size; /* overall size */
- struct jfs_ea ea[]; /* 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 */
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