1 files changed, 62 insertions, 0 deletions
diff --git a/fs/jfs/jfs_xattr.h b/fs/jfs/jfs_xattr.h
new file mode 100644
index 000000000..c50167a7b
--- /dev/null
+++ b/fs/jfs/jfs_xattr.h
@@ -0,0 +1,62 @@
+/* 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 */