static
int null_authorize(struct ptlrpc_request *req)
{
struct ptlrpc_reply_state *rs = req->rq_reply_state;
LASSERT(rs);
rs->rs_repbuf->lm_secflvr = SPTLRPC_FLVR_NULL;
rs->rs_repdata_len = req->rq_replen;
if (likely(req->rq_packed_final)) {
if (lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT)
req->rq_reply_off = lustre_msg_early_size();
else
req->rq_reply_off = 0;
} else {
__u32 cksum;
#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
if (lustre_msghdr_get_flags(req->rq_reqmsg) &
MSGHDR_CKSUM_INCOMPAT18)
cksum = lustre_msg_calc_cksum(rs->rs_repbuf, 0);
else
cksum = lustre_msg_calc_cksum(rs->rs_repbuf, 1);
#else
# warning "remove checksum compatibility support for b1_8"
cksum = lustre_msg_calc_cksum(rs->rs_repbuf);
#endif
lustre_msg_set_cksum(rs->rs_repbuf, cksum);
req->rq_reply_off = 0;
}
return 0;
}
static
int null_authorize(struct ptlrpc_request *req)
{
struct ptlrpc_reply_state *rs = req->rq_reply_state;
LASSERT(rs);
rs->rs_repbuf->lm_secflvr = SPTLRPC_FLVR_NULL;
rs->rs_repdata_len = req->rq_replen;
if (likely(req->rq_packed_final)) {
if (lustre_msghdr_get_flags(req->rq_reqmsg) & MSGHDR_AT_SUPPORT)
req->rq_reply_off = lustre_msg_early_size();
else
req->rq_reply_off = 0;
} else {
__u32 cksum;
cksum = lustre_msg_calc_cksum(rs->rs_repbuf);
lustre_msg_set_cksum(rs->rs_repbuf, cksum);
req->rq_reply_off = 0;
}
return 0;
}
static
int null_alloc_repbuf(struct ptlrpc_sec *sec,
struct ptlrpc_request *req,
int msgsize)
{
/* add space for early replied */
msgsize += lustre_msg_early_size();
msgsize = size_roundup_power2(msgsize);
OBD_ALLOC(req->rq_repbuf, msgsize);
if (!req->rq_repbuf)
return -ENOMEM;
req->rq_repbuf_len = msgsize;
return 0;
}