__ceph_caps_issued_mask
r = __ceph_caps_issued_mask(ci, mask, touch);
__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 0))
valid = __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1);
extern int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int t);
__ceph_caps_issued_mask(ci, CEPH_CAP_XATTR_SHARED, 0));