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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (C) 2011 Lawrence Livermore National Security, LLC.
*/
#ifndef _ZFS_XATTR_H
#define _ZFS_XATTR_H
/*
* 2.6.35 API change,
* The const keyword was added to the 'struct xattr_handler' in the
* generic Linux super_block structure. To handle this we define an
* appropriate xattr_handler_t typedef which can be used. This was
* the preferred solution because it keeps the code clean and readable.
*/
#ifdef HAVE_CONST_XATTR_HANDLER
typedef const struct xattr_handler xattr_handler_t;
#else
typedef struct xattr_handler xattr_handler_t;
#endif
/*
* 2.6.33 API change,
* The xattr_hander->get() callback was changed to take a dentry
* instead of an inode, and a handler_flags argument was added.
*/
#ifdef HAVE_DENTRY_XATTR_GET
#define ZPL_XATTR_GET_WRAPPER(fn) \
static int \
fn(struct dentry *dentry, const char *name, void *buffer, size_t size, \
int unused_handler_flags) \
{ \
return __ ## fn(dentry->d_inode, name, buffer, size); \
}
#else
#define ZPL_XATTR_GET_WRAPPER(fn) \
static int \
fn(struct inode *ip, const char *name, void *buffer, size_t size) \
{ \
return __ ## fn(ip, name, buffer, size); \
}
#endif /* HAVE_DENTRY_XATTR_GET */
/*
* 2.6.33 API change,
* The xattr_hander->set() callback was changed to take a dentry
* instead of an inode, and a handler_flags argument was added.
*/
#ifdef HAVE_DENTRY_XATTR_SET
#define ZPL_XATTR_SET_WRAPPER(fn) \
static int \
fn(struct dentry *dentry, const char *name, const void *buffer, \
size_t size, int flags, int unused_handler_flags) \
{ \
return __ ## fn(dentry->d_inode, name, buffer, size, flags); \
}
#else
#define ZPL_XATTR_SET_WRAPPER(fn) \
static int \
fn(struct inode *ip, const char *name, const void *buffer, \
size_t size, int flags) \
{ \
return __ ## fn(ip, name, buffer, size, flags); \
}
#endif /* HAVE_DENTRY_XATTR_SET */
#endif /* _ZFS_XATTR_H */
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