2 * Copyright (C) 2007 Red Hat. All rights reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
20 #include <linux/string.h>
21 #include <linux/xattr.h>
22 #include <linux/posix_acl_xattr.h>
25 static int btrfs_xattr_set_acl(struct inode *inode, int type,
26 const void *value, size_t size)
29 struct posix_acl *acl;
31 if (!is_owner_or_cap(inode))
34 acl = posix_acl_from_xattr(value, size);
38 } else if (IS_ERR(acl)) {
41 ret = posix_acl_valid(acl);
42 posix_acl_release(acl);
47 return btrfs_xattr_set(inode, type, "", value, size, 0);
50 static int btrfs_xattr_get_acl(struct inode *inode, int type,
51 void *value, size_t size)
53 return btrfs_xattr_get(inode, type, "", value, size);
55 static int btrfs_xattr_acl_access_get(struct inode *inode, const char *name,
56 void *value, size_t size)
60 return btrfs_xattr_get_acl(inode, BTRFS_XATTR_INDEX_POSIX_ACL_ACCESS,
63 static int btrfs_xattr_acl_access_set(struct inode *inode, const char *name,
64 const void *value, size_t size, int flags)
68 return btrfs_xattr_set_acl(inode, BTRFS_XATTR_INDEX_POSIX_ACL_ACCESS,
71 static int btrfs_xattr_acl_default_get(struct inode *inode, const char *name,
72 void *value, size_t size)
76 return btrfs_xattr_get_acl(inode, BTRFS_XATTR_INDEX_POSIX_ACL_DEFAULT,
79 static int btrfs_xattr_acl_default_set(struct inode *inode, const char *name,
80 const void *value, size_t size, int flags)
84 return btrfs_xattr_set_acl(inode, BTRFS_XATTR_INDEX_POSIX_ACL_DEFAULT,
87 struct xattr_handler btrfs_xattr_acl_default_handler = {
88 .prefix = POSIX_ACL_XATTR_DEFAULT,
89 .list = btrfs_xattr_generic_list,
90 .get = btrfs_xattr_acl_default_get,
91 .set = btrfs_xattr_acl_default_set,
94 struct xattr_handler btrfs_xattr_acl_access_handler = {
95 .prefix = POSIX_ACL_XATTR_ACCESS,
96 .list = btrfs_xattr_generic_list,
97 .get = btrfs_xattr_acl_access_get,
98 .set = btrfs_xattr_acl_access_set,