MULTI
#define SET_MULTI(b, c, v) SET_CONTEXT_FIELD(b, c, FSR, MULTI, v)
#define GET_MULTI(b, c) GET_CONTEXT_FIELD(b, c, FSR, MULTI)
f(CLONERANGE, __CEPH_OSD_OP(WR, MULTI, 1), "clonerange") \
f(ASSERT_SRC_VERSION, __CEPH_OSD_OP(RD, MULTI, 2), "assert-src-version") \
f(SRC_CMPXATTR, __CEPH_OSD_OP(RD, MULTI, 3), "src-cmpxattr") \