> -----Original Message----- > From: linux-cifs-owner@xxxxxxxxxxxxxxx [mailto:linux-cifs- > owner@xxxxxxxxxxxxxxx] On Behalf Of Long Li > Sent: Wednesday, August 2, 2017 4:11 PM > To: Steve French <sfrench@xxxxxxxxx>; linux-cifs@xxxxxxxxxxxxxxx; samba- > technical@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Cc: Long Li <longli@xxxxxxxxxxxxx> > Subject: [[PATCH v1] 19/37] [CIFS] SMBD: Manage credits on SMBD client and > server > > /* > + * Extend the credits to remote peer > + * This implements [MS-SMBD] 3.1.5.9 > + * The idea is that we should extend credits to remote peer as quickly as > + * it's allowed, to maintain data flow. We allocate as much as receive > + * buffer as possible, and extend the receive credits to remote peer > + * return value: the new credtis being granted. > + */ > +static int manage_credits_prior_sending(struct cifs_rdma_info *info) > +{ > + int ret = 0; > + struct cifs_rdma_response *response; > + int rc; > + > + if (atomic_read(&info->receive_credit_target) > When does the receive_credit_target value change? It seems wasteful to perform an atomic_read() on this local value each time. Tom. -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
