linux/fs/ocfs2/xattr.h
Tiger Yang cf1d6c763f ocfs2: Add extended attribute support
This patch implements storing extended attributes both in inode or a single
external block. We only store EA's in-inode when blocksize > 512 or that
inode block has free space for it. When an EA's value is larger than 80
bytes, we will store the value via b-tree outside inode or block.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-10-13 16:57:02 -07:00

52 lines
1.7 KiB
C

/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* xattr.h
*
* Function prototypes
*
* Copyright (C) 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 as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#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
};
extern struct xattr_handler ocfs2_xattr_user_handler;
extern struct xattr_handler ocfs2_xattr_trusted_handler;
extern ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
extern int ocfs2_xattr_get(struct inode *, int, const char *, void *, size_t);
extern int ocfs2_xattr_set(struct inode *, int, const char *, const void *,
size_t, int);
extern int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh);
extern struct xattr_handler *ocfs2_xattr_handlers[];
#endif /* OCFS2_XATTR_H */