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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_xattr.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_xattr.c67
1 files changed, 4 insertions, 63 deletions
diff --git a/fs/xfs/linux-2.6/xfs_xattr.c b/fs/xfs/linux-2.6/xfs_xattr.c
index 964621fde6e..497c7fb75cc 100644
--- a/fs/xfs/linux-2.6/xfs_xattr.c
+++ b/fs/xfs/linux-2.6/xfs_xattr.c
@@ -29,67 +29,6 @@
29#include <linux/xattr.h> 29#include <linux/xattr.h>
30 30
31 31
32/*
33 * ACL handling. Should eventually be moved into xfs_acl.c
34 */
35
36static int
37xfs_decode_acl(const char *name)
38{
39 if (strcmp(name, "posix_acl_access") == 0)
40 return _ACL_TYPE_ACCESS;
41 else if (strcmp(name, "posix_acl_default") == 0)
42 return _ACL_TYPE_DEFAULT;
43 return -EINVAL;
44}
45
46/*
47 * Get system extended attributes which at the moment only
48 * includes Posix ACLs.
49 */
50static int
51xfs_xattr_system_get(struct inode *inode, const char *name,
52 void *buffer, size_t size)
53{
54 int acl;
55
56 acl = xfs_decode_acl(name);
57 if (acl < 0)
58 return acl;
59
60 return xfs_acl_vget(inode, buffer, size, acl);
61}
62
63static int
64xfs_xattr_system_set(struct inode *inode, const char *name,
65 const void *value, size_t size, int flags)
66{
67 int acl;
68
69 acl = xfs_decode_acl(name);
70 if (acl < 0)
71 return acl;
72 if (flags & XATTR_CREATE)
73 return -EINVAL;
74
75 if (!value)
76 return xfs_acl_vremove(inode, acl);
77
78 return xfs_acl_vset(inode, (void *)value, size, acl);
79}
80
81static struct xattr_handler xfs_xattr_system_handler = {
82 .prefix = XATTR_SYSTEM_PREFIX,
83 .get = xfs_xattr_system_get,
84 .set = xfs_xattr_system_set,
85};
86
87
88/*
89 * Real xattr handling. The only difference between the namespaces is
90 * a flag passed to the low-level attr code.
91 */
92
93static int 32static int
94__xfs_xattr_get(struct inode *inode, const char *name, 33__xfs_xattr_get(struct inode *inode, const char *name,
95 void *value, size_t size, int xflags) 34 void *value, size_t size, int xflags)
@@ -199,7 +138,9 @@ struct xattr_handler *xfs_xattr_handlers[] = {
199 &xfs_xattr_user_handler, 138 &xfs_xattr_user_handler,
200 &xfs_xattr_trusted_handler, 139 &xfs_xattr_trusted_handler,
201 &xfs_xattr_security_handler, 140 &xfs_xattr_security_handler,
141#ifdef CONFIG_XFS_POSIX_ACL
202 &xfs_xattr_system_handler, 142 &xfs_xattr_system_handler,
143#endif
203 NULL 144 NULL
204}; 145};
205 146
@@ -310,7 +251,7 @@ xfs_vn_listxattr(struct dentry *dentry, char *data, size_t size)
310 /* 251 /*
311 * Then add the two synthetic ACL attributes. 252 * Then add the two synthetic ACL attributes.
312 */ 253 */
313 if (xfs_acl_vhasacl_access(inode)) { 254 if (posix_acl_access_exists(inode)) {
314 error = list_one_attr(POSIX_ACL_XATTR_ACCESS, 255 error = list_one_attr(POSIX_ACL_XATTR_ACCESS,
315 strlen(POSIX_ACL_XATTR_ACCESS) + 1, 256 strlen(POSIX_ACL_XATTR_ACCESS) + 1,
316 data, size, &context.count); 257 data, size, &context.count);
@@ -318,7 +259,7 @@ xfs_vn_listxattr(struct dentry *dentry, char *data, size_t size)
318 return error; 259 return error;
319 } 260 }
320 261
321 if (xfs_acl_vhasacl_default(inode)) { 262 if (posix_acl_default_exists(inode)) {
322 error = list_one_attr(POSIX_ACL_XATTR_DEFAULT, 263 error = list_one_attr(POSIX_ACL_XATTR_DEFAULT,
323 strlen(POSIX_ACL_XATTR_DEFAULT) + 1, 264 strlen(POSIX_ACL_XATTR_DEFAULT) + 1,
324 data, size, &context.count); 265 data, size, &context.count);