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Diffstat (limited to 'include/linux/posix_acl_xattr.h')
-rw-r--r--include/linux/posix_acl_xattr.h47
1 files changed, 27 insertions, 20 deletions
diff --git a/include/linux/posix_acl_xattr.h b/include/linux/posix_acl_xattr.h
index 8163dd48c430..54cd7a14330d 100644
--- a/include/linux/posix_acl_xattr.h
+++ b/include/linux/posix_acl_xattr.h
@@ -33,33 +33,40 @@ posix_acl_xattr_count(size_t size)
}
#ifdef CONFIG_FS_POSIX_ACL
-void posix_acl_fix_xattr_from_user(void *value, size_t size);
-void posix_acl_fix_xattr_to_user(void *value, size_t size);
-void posix_acl_getxattr_idmapped_mnt(struct user_namespace *mnt_userns,
- const struct inode *inode,
- void *value, size_t size);
+struct posix_acl *posix_acl_from_xattr(struct user_namespace *user_ns,
+ const void *value, size_t size);
#else
-static inline void posix_acl_fix_xattr_from_user(void *value, size_t size)
-{
-}
-static inline void posix_acl_fix_xattr_to_user(void *value, size_t size)
-{
-}
-static inline void
-posix_acl_getxattr_idmapped_mnt(struct user_namespace *mnt_userns,
- const struct inode *inode, void *value,
- size_t size)
+static inline struct posix_acl *
+posix_acl_from_xattr(struct user_namespace *user_ns, const void *value,
+ size_t size)
{
+ return ERR_PTR(-EOPNOTSUPP);
}
#endif
-struct posix_acl *posix_acl_from_xattr(struct user_namespace *user_ns,
- const void *value, size_t size);
int posix_acl_to_xattr(struct user_namespace *user_ns,
const struct posix_acl *acl, void *buffer, size_t size);
-struct posix_acl *vfs_set_acl_prepare(struct user_namespace *mnt_userns,
- struct user_namespace *fs_userns,
- const void *value, size_t size);
+static inline const char *posix_acl_xattr_name(int type)
+{
+ switch (type) {
+ case ACL_TYPE_ACCESS:
+ return XATTR_NAME_POSIX_ACL_ACCESS;
+ case ACL_TYPE_DEFAULT:
+ return XATTR_NAME_POSIX_ACL_DEFAULT;
+ }
+
+ return "";
+}
+
+static inline int posix_acl_type(const char *name)
+{
+ if (strcmp(name, XATTR_NAME_POSIX_ACL_ACCESS) == 0)
+ return ACL_TYPE_ACCESS;
+ else if (strcmp(name, XATTR_NAME_POSIX_ACL_DEFAULT) == 0)
+ return ACL_TYPE_DEFAULT;
+
+ return -1;
+}
extern const struct xattr_handler posix_acl_access_xattr_handler;
extern const struct xattr_handler posix_acl_default_xattr_handler;