acl.c (22d8dcdf8f8a3882d98757e78169014bb0bc6b23) acl.c (6e8dc55550273084b7fb5846df2f44439f5d03d9)
1/*
2 * Copyright IBM Corporation, 2010
3 * Author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2.1 of the GNU Lesser General Public License
7 * as published by the Free Software Foundation.
8 *

--- 83 unchanged lines hidden (view full) ---

92 if (acl) {
93 int error = posix_acl_permission(inode, acl, mask);
94 posix_acl_release(acl);
95 return error;
96 }
97 return -EAGAIN;
98}
99
1/*
2 * Copyright IBM Corporation, 2010
3 * Author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2.1 of the GNU Lesser General Public License
7 * as published by the Free Software Foundation.
8 *

--- 83 unchanged lines hidden (view full) ---

92 if (acl) {
93 int error = posix_acl_permission(inode, acl, mask);
94 posix_acl_release(acl);
95 return error;
96 }
97 return -EAGAIN;
98}
99
100static int v9fs_set_acl(struct dentry *dentry, int type, struct posix_acl *acl)
101{
102 int retval;
103 char *name;
104 size_t size;
105 void *buffer;
106 struct inode *inode = dentry->d_inode;
107
108 set_cached_acl(inode, type, acl);
109 /* Set a setxattr request to server */
110 size = posix_acl_xattr_size(acl->a_count);
111 buffer = kmalloc(size, GFP_KERNEL);
112 if (!buffer)
113 return -ENOMEM;
114 retval = posix_acl_to_xattr(acl, buffer, size);
115 if (retval < 0)
116 goto err_free_out;
117 switch (type) {
118 case ACL_TYPE_ACCESS:
119 name = POSIX_ACL_XATTR_ACCESS;
120 break;
121 case ACL_TYPE_DEFAULT:
122 name = POSIX_ACL_XATTR_DEFAULT;
123 break;
124 default:
125 BUG();
126 }
127 retval = v9fs_xattr_set(dentry, name, buffer, size, 0);
128err_free_out:
129 kfree(buffer);
130 return retval;
131}
132
133int v9fs_acl_chmod(struct dentry *dentry)
134{
135 int retval = 0;
136 struct posix_acl *acl, *clone;
137 struct inode *inode = dentry->d_inode;
138
139 if (S_ISLNK(inode->i_mode))
140 return -EOPNOTSUPP;
141 acl = v9fs_get_cached_acl(inode, ACL_TYPE_ACCESS);
142 if (acl) {
143 clone = posix_acl_clone(acl, GFP_KERNEL);
144 posix_acl_release(acl);
145 if (!clone)
146 return -ENOMEM;
147 retval = posix_acl_chmod_masq(clone, inode->i_mode);
148 if (!retval)
149 retval = v9fs_set_acl(dentry, ACL_TYPE_ACCESS, clone);
150 posix_acl_release(clone);
151 }
152 return retval;
153}
154
100static int v9fs_xattr_get_acl(struct dentry *dentry, const char *name,
101 void *buffer, size_t size, int type)
102{
103 struct posix_acl *acl;
104 int error;
105
106 if (strcmp(name, "") != 0)
107 return -EINVAL;

--- 102 unchanged lines hidden --- 		155static int v9fs_xattr_get_acl(struct dentry *dentry, const char *name,
156 void *buffer, size_t size, int type)
157{
158 struct posix_acl *acl;
159 int error;
160
161 if (strcmp(name, "") != 0)
162 return -EINVAL;

--- 102 unchanged lines hidden ---