aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/xen/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/xen/Kconfig')
0 files changed, 0 insertions, 0 deletions
n from percpu.h' href='/cgit/cgit.cgi/litmus-rt.git/commit/fs/generic_acl.c?h=v2.6.36&id=5a0e3ad6af8660be21ca98a971cd00f331318c05'>5a0e3ad6af86
f0c8bd164e1a

1c7c474c31ae

f0c8bd164e1a
1c7c474c31ae



f0c8bd164e1a

1c7c474c31ae
f0c8bd164e1a

1c7c474c31ae
f0c8bd164e1a



1c7c474c31ae








f0c8bd164e1a
1c7c474c31ae
f0c8bd164e1a
1c7c474c31ae
f0c8bd164e1a


1c7c474c31ae


f0c8bd164e1a



1c7c474c31ae



f0c8bd164e1a







1c7c474c31ae


f0c8bd164e1a
1c7c474c31ae
f0c8bd164e1a


1c7c474c31ae

f0c8bd164e1a

3bd858ab1c45
f0c8bd164e1a











1c7c474c31ae






dad5eb6daa7e
1c7c474c31ae










f0c8bd164e1a

1c7c474c31ae
f0c8bd164e1a







f0c8bd164e1a




1c7c474c31ae
f0c8bd164e1a




ce3b0f8d5c22
f0c8bd164e1a
1c7c474c31ae
f0c8bd164e1a







1c7c474c31ae
f0c8bd164e1a









1c7c474c31ae
f0c8bd164e1a











f0c8bd164e1a




1c7c474c31ae
f0c8bd164e1a





1c7c474c31ae
f0c8bd164e1a






1c7c474c31ae
f0c8bd164e1a



1c7c474c31ae













bb4354538eb7
1c7c474c31ae






bb4354538eb7
1c7c474c31ae





1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
  


                                                

                                                 


                        
                      

                              

                                  
 



                                                                     

                              
                          

                    
                                                    



                               








                                                
         
                                 
                                      
                                          


                    


                                                                      



                              



                                                    







                                                      


                                                                           
 
                                              


                                     

                                  

                                   
                                    











                                                        






                                                                 
                                                      










                                                       

                 
                                         







                                                                          




                                                                  
                                                        




                                     
                                                
                                    
                                                            







                                                                 
                                                                       









                                                            
                                                                              











                                                                     




                                                                     
                                      





                                      
                                                     






                                                                   
                                                                      



                                         













                                                                       
                                                         






                                         
                                                          





                                          
/*
 * (C) 2005 Andreas Gruenbacher <agruen@suse.de>
 *
 * This file is released under the GPL.
 *
 * Generic ACL support for in-memory filesystems.
 */

#include <linux/sched.h>
#include <linux/gfp.h>
#include <linux/fs.h>
#include <linux/generic_acl.h>
#include <linux/posix_acl.h>
#include <linux/posix_acl_xattr.h>


static size_t
generic_acl_list(struct dentry *dentry, char *list, size_t list_size,
		const char *name, size_t name_len, int type)
{
	struct posix_acl *acl;
	const char *xname;
	size_t size;

	acl = get_cached_acl(dentry->d_inode, type);
	if (!acl)
		return 0;
	posix_acl_release(acl);

	switch (type) {
	case ACL_TYPE_ACCESS:
		xname = POSIX_ACL_XATTR_ACCESS;
		break;
	case ACL_TYPE_DEFAULT:
		xname = POSIX_ACL_XATTR_DEFAULT;
		break;
	default:
		return 0;
	}
	size = strlen(xname) + 1;
	if (list && size <= list_size)
		memcpy(list, xname, size);
	return size;
}

static int
generic_acl_get(struct dentry *dentry, const char *name, void *buffer,
		     size_t size, int type)
{
	struct posix_acl *acl;
	int error;

	if (strcmp(name, "") != 0)
		return -EINVAL;

	acl = get_cached_acl(dentry->d_inode, type);
	if (!acl)
		return -ENODATA;
	error = posix_acl_to_xattr(acl, buffer, size);
	posix_acl_release(acl);

	return error;
}

static int
generic_acl_set(struct dentry *dentry, const char *name, const void *value,
		     size_t size, int flags, int type)
{
	struct inode *inode = dentry->d_inode;
	struct posix_acl *acl = NULL;
	int error;

	if (strcmp(name, "") != 0)
		return -EINVAL;
	if (S_ISLNK(inode->i_mode))
		return -EOPNOTSUPP;
	if (!is_owner_or_cap(inode))
		return -EPERM;
	if (value) {
		acl = posix_acl_from_xattr(value, size);
		if (IS_ERR(acl))
			return PTR_ERR(acl);
	}
	if (acl) {
		mode_t mode;

		error = posix_acl_valid(acl);
		if (error)
			goto failed;
		switch (type) {
		case ACL_TYPE_ACCESS:
			mode = inode->i_mode;
			error = posix_acl_equiv_mode(acl, &mode);
			if (error < 0)
				goto failed;
			inode->i_mode = mode;
			inode->i_ctime = CURRENT_TIME;
			if (error == 0) {