xattr_permission   76 fs/xattr.c     	error = xattr_permission(inode, name, MAY_WRITE);
xattr_permission  139 fs/xattr.c     	error = xattr_permission(inode, name, MAY_READ);
xattr_permission  198 fs/xattr.c     	error = xattr_permission(inode, name, MAY_WRITE);