/* -*- mode: c; c-basic-offset: 8; -*- * vim: noexpandtab sw=8 ts=8 sts=0: * * xattr.h * * Copyright (C) 2004, 2008 Oracle. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License version 2 as published by the Free Software Foundation. * * 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. */ #ifndef OCFS2_XATTR_H #define OCFS2_XATTR_H #include <linux/init.h> #include <linux/xattr.h> enum ocfs2_xattr_type { OCFS2_XATTR_INDEX_USER = 1, OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS, OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT, OCFS2_XATTR_INDEX_TRUSTED, OCFS2_XATTR_INDEX_SECURITY, OCFS2_XATTR_MAX }; struct ocfs2_security_xattr_info { int enable; char *name; void *value; size_t value_len; }; extern struct xattr_handler ocfs2_xattr_user_handler; extern struct xattr_handler ocfs2_xattr_trusted_handler; extern struct xattr_handler ocfs2_xattr_security_handler; extern struct xattr_handler ocfs2_xattr_acl_access_handler; extern struct xattr_handler ocfs2_xattr_acl_default_handler; extern struct xattr_handler *ocfs2_xattr_handlers[]; ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int, const char *, void *, size_t); int ocfs2_xattr_set(struct inode *, int, const char *, const void *, size_t, int); int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *, int, const char *, const void *, size_t, int, struct ocfs2_alloc_context *, struct ocfs2_alloc_context *); int ocfs2_has_inline_xattr_value_outside(struct inode *inode, struct ocfs2_dinode *di); int ocfs2_xattr_remove(struct inode *, struct buffer_head *); int ocfs2_init_security_get(struct inode *, struct inode *, struct ocfs2_security_xattr_info *); int ocfs2_init_security_set(handle_t *, struct inode *, struct buffer_head *, struct ocfs2_security_xattr_info *, struct ocfs2_alloc_context *, struct ocfs2_alloc_context *); int ocfs2_calc_security_init(struct inode *, struct ocfs2_security_xattr_info *, int *, int *, struct ocfs2_alloc_context **); int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *, int, struct ocfs2_security_xattr_info *, int *, int *, int *); /* * xattrs can live inside an inode, as part of an external xattr block, * or inside an xattr bucket, which is the leaf of a tree rooted in an * xattr block. Some of the xattr calls, especially the value setting * functions, want to treat each of these locations as equal. Let's wrap * them in a structure that we can pass around instead of raw buffer_heads. */ struct ocfs2_xattr_value_buf { struct buffer_head *vb_bh; ocfs2_journal_access_func vb_access; struct ocfs2_xattr_value_root *vb_xv; }; int ocfs2_xattr_attach_refcount_tree(struct inode *inode, struct buffer_head *fe_bh, struct ocfs2_caching_info *ref_ci, struct buffer_head *ref_root_bh, struct ocfs2_cached_dealloc_ctxt *dealloc); int ocfs2_reflink_xattrs(struct inode *old_inode, struct buffer_head *old_bh, struct inode *new_inode, struct buffer_head *new_bh, bool preserve_security); int ocfs2_init_security_and_acl(struct inode *dir, struct inode *inode); #endif /* OCFS2_XATTR_H */