__ceph_caps_used
int w = __ceph_caps_file_wanted(ci) | __ceph_caps_used(ci);
used = __ceph_caps_used(ci);
__ceph_caps_used(ci), __ceph_caps_wanted(ci),
__ceph_caps_used(ci),
used = __ceph_caps_used(ci);
used = __ceph_caps_used(ci);
used = __ceph_caps_used(ci);
used = __ceph_caps_used(ci);
extern int __ceph_caps_used(struct ceph_inode_info *ci);