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- /* -*- 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 const struct xattr_handler ocfs2_xattr_user_handler;
- extern const struct xattr_handler ocfs2_xattr_trusted_handler;
- extern const struct xattr_handler ocfs2_xattr_security_handler;
- extern const struct xattr_handler ocfs2_xattr_acl_access_handler;
- extern const struct xattr_handler ocfs2_xattr_acl_default_handler;
- extern const 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 *,
- const struct qstr *,
- 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 *,
- umode_t, 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,
- const struct qstr *qstr);
- #endif /* OCFS2_XATTR_H */
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