4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
34 * Author: Peter Braam <braam@clusterfs.com>
35 * Author: Phil Schwan <phil@clusterfs.com>
36 * Author: Andreas Dilger <adilger@clusterfs.com>
39 #include "llite_internal.h"
41 struct posix_acl *ll_get_acl(struct inode *inode, int type
42 #ifdef HAVE_GET_ACL_RCU_ARG
44 #endif /* HAVE_GET_ACL_RCU_ARG */
47 struct ll_inode_info *lli = ll_i2info(inode);
48 struct posix_acl *acl = NULL;
51 #ifdef HAVE_GET_ACL_RCU_ARG
53 return ERR_PTR(-ECHILD);
56 read_lock(&lli->lli_lock);
57 /* VFS' acl_permission_check->check_acl will release the refcount */
58 acl = posix_acl_dup(lli->lli_posix_acl);
59 read_unlock(&lli->lli_lock);
64 #ifdef HAVE_IOP_SET_ACL
65 int ll_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
66 struct posix_acl *acl, int type)
68 struct ll_sb_info *sbi = ll_i2sbi(inode);
69 struct ptlrpc_request *req = NULL;
70 const char *name = NULL;
72 size_t value_size = 0;
78 name = XATTR_NAME_POSIX_ACL_ACCESS;
80 rc = posix_acl_update_mode(mnt_userns, inode,
81 &inode->i_mode, &acl);
84 case ACL_TYPE_DEFAULT:
85 name = XATTR_NAME_POSIX_ACL_DEFAULT;
86 if (!S_ISDIR(inode->i_mode))
87 rc = acl ? -EACCES : 0;
98 value_size = posix_acl_xattr_size(acl->a_count);
99 value = kmalloc(value_size, GFP_NOFS);
101 GOTO(out, rc = -ENOMEM);
103 rc = posix_acl_to_xattr(&init_user_ns, acl, value, value_size);
108 rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode),
109 value ? OBD_MD_FLXATTR : OBD_MD_FLXATTRRM,
110 name, value, value_size, 0, 0, &req);
112 ptlrpc_req_finished(req);
117 forget_cached_acl(inode, type);
119 set_cached_acl(inode, type, acl);
122 #endif /* HAVE_IOP_SET_ACL */