/* * JFFS2 -- Journalling Flash File System, Version 2. * * Copyright © 2006  NEC Corporation * * Created by KaiGai Kohei <kaigai@ak.jp.nec.com> * * For licensing information, see the file 'LICENCE' in this directory. * */ #include <linux/kernel.h>#include <linux/slab.h>#include <linux/fs.h>#include <linux/time.h>#include <linux/pagemap.h>#include <linux/highmem.h>#include <linux/crc32.h>#include <linux/jffs2.h>#include <linux/xattr.h>#include <linux/mtd/mtd.h>#include <linux/security.h>#include "nodelist.h" /* ---- Initial Security Label(s) Attachment callback --- */static int jffs2_initxattrs(struct inode *inode,			    const struct xattr *xattr_array, void *fs_info){	const struct xattr *xattr;	int err = 0; 	for (xattr = xattr_array; xattr->name != NULL; xattr++) {		err = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY,					xattr->name, xattr->value,					xattr->value_len, 0);		if (err < 0)			break;	}	return err;} /* ---- Initial Security Label(s) Attachment ----------- */int jffs2_init_security(struct inode *inode, struct inode *dir,			const struct qstr *qstr){	return security_inode_init_security(inode, dir, qstr,					    &jffs2_initxattrs, NULL);} /* ---- XATTR Handler for "security.*" ----------------- */static int jffs2_security_getxattr(const struct xattr_handler *handler,				   struct dentry *unused, struct inode *inode,				   const char *name, void *buffer, size_t size){	return do_jffs2_getxattr(inode, JFFS2_XPREFIX_SECURITY,				 name, buffer, size);} static int jffs2_security_setxattr(const struct xattr_handler *handler,				   struct mnt_idmap *idmap,				   struct dentry *unused, struct inode *inode,				   const char *name, const void *buffer,				   size_t size, int flags){	return do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY,				 name, buffer, size, flags);} const struct xattr_handler jffs2_security_xattr_handler = {	.prefix = XATTR_SECURITY_PREFIX,	.set = jffs2_security_setxattr,	.get = jffs2_security_getxattr};