33 change_conf(struct TCP_Server_Info *server)  in change_conf()  argument
35 	server->credits += server->echo_credits + server->oplock_credits;  in change_conf()
36 	server->oplock_credits = server->echo_credits = 0;  in change_conf()
37 	switch (server->credits) {  in change_conf()
41 		server->echoes = false;  in change_conf()
42 		server->oplocks = false;  in change_conf()
46 		server->echoes = true;  in change_conf()
47 		server->oplocks = false;  in change_conf()
48 		server->echo_credits = 1;  in change_conf()
52 		server->echoes = true;  in change_conf()
54 			server->oplocks = true;  in change_conf()
55 			server->oplock_credits = 1;  in change_conf()
57 			server->oplocks = false;  in change_conf()
59 		server->echo_credits = 1;  in change_conf()
61 	server->credits -= server->echo_credits + server->oplock_credits;  in change_conf()
66 smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add,  in smb2_add_credits()  argument
70 	spin_lock(&server->req_lock);  in smb2_add_credits()
71 	val = server->ops->get_credits_field(server, optype);  in smb2_add_credits()
73 	server->in_flight--;  in smb2_add_credits()
74 	if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP)  in smb2_add_credits()
75 		rc = change_conf(server);  in smb2_add_credits()
80 	else if (server->in_flight > 0 && server->oplock_credits == 0 &&  in smb2_add_credits()
81 		 server->oplocks) {  in smb2_add_credits()
82 		if (server->credits > 1) {  in smb2_add_credits()
83 			server->credits--;  in smb2_add_credits()
84 			server->oplock_credits++;  in smb2_add_credits()
87 	spin_unlock(&server->req_lock);  in smb2_add_credits()
88 	wake_up(&server->request_q);  in smb2_add_credits()
90 		cifs_reconnect(server);  in smb2_add_credits()
94 smb2_set_credits(struct TCP_Server_Info *server, const int val)  in smb2_set_credits()  argument
96 	spin_lock(&server->req_lock);  in smb2_set_credits()
97 	server->credits = val;  in smb2_set_credits()
98 	spin_unlock(&server->req_lock);  in smb2_set_credits()
102 smb2_get_credits_field(struct TCP_Server_Info *server, const int optype)  in smb2_get_credits_field()  argument
106 		return &server->echo_credits;  in smb2_get_credits_field()
108 		return &server->oplock_credits;  in smb2_get_credits_field()
110 		return &server->credits;  in smb2_get_credits_field()
121 smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size,  in smb2_wait_mtu_credits()  argument
127 	spin_lock(&server->req_lock);  in smb2_wait_mtu_credits()
129 		if (server->credits <= 0) {  in smb2_wait_mtu_credits()
130 			spin_unlock(&server->req_lock);  in smb2_wait_mtu_credits()
131 			cifs_num_waiters_inc(server);  in smb2_wait_mtu_credits()
132 			rc = wait_event_killable(server->request_q,  in smb2_wait_mtu_credits()
133 					has_credits(server, &server->credits));  in smb2_wait_mtu_credits()
134 			cifs_num_waiters_dec(server);  in smb2_wait_mtu_credits()
137 			spin_lock(&server->req_lock);  in smb2_wait_mtu_credits()
139 			if (server->tcpStatus == CifsExiting) {  in smb2_wait_mtu_credits()
140 				spin_unlock(&server->req_lock);  in smb2_wait_mtu_credits()
144 			scredits = server->credits;  in smb2_wait_mtu_credits()
158 			server->credits -= *credits;  in smb2_wait_mtu_credits()
159 			server->in_flight++;  in smb2_wait_mtu_credits()
163 	spin_unlock(&server->req_lock);  in smb2_wait_mtu_credits()
168 smb2_get_next_mid(struct TCP_Server_Info *server)  in smb2_get_next_mid()  argument
173 	mid = server->CurrentMid++;  in smb2_get_next_mid()
179 smb2_find_mid(struct TCP_Server_Info *server, char *buf)  in smb2_find_mid()  argument
186 	list_for_each_entry(mid, &server->pending_mid_q, qhead) {  in smb2_find_mid()
212 smb2_need_neg(struct TCP_Server_Info *server)  in smb2_need_neg()  argument
214 	return server->max_read == 0;  in smb2_need_neg()
221 	ses->server->CurrentMid = 0;  in smb2_negotiate()
232 	struct TCP_Server_Info *server = tcon->ses->server;  in smb2_negotiate_wsize()  local
237 	wsize = min_t(unsigned int, wsize, server->max_write);  in smb2_negotiate_wsize()
239 	if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU))  in smb2_negotiate_wsize()
248 	struct TCP_Server_Info *server = tcon->ses->server;  in smb2_negotiate_rsize()  local
253 	rsize = min_t(unsigned int, rsize, server->max_read);  in smb2_negotiate_rsize()
255 	if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU))  in smb2_negotiate_rsize()
414 smb2_can_echo(struct TCP_Server_Info *server)  in smb2_can_echo()  argument
416 	return server->echoes;  in smb2_can_echo()
532 	struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server;  in smb2_set_fid()  local
536 	server->ops->set_oplock_level(cinode, oplock, fid->epoch,  in smb2_set_fid()
949 smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length)  in smb2_is_status_pending()  argument
957 		spin_lock(&server->req_lock);  in smb2_is_status_pending()
958 		server->credits += le16_to_cpu(hdr->CreditRequest);  in smb2_is_status_pending()
959 		spin_unlock(&server->req_lock);  in smb2_is_status_pending()
960 		wake_up(&server->request_q);  in smb2_is_status_pending()
970 	if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING)  in smb2_oplock_response()
1254 smb2_downgrade_oplock(struct TCP_Server_Info *server,  in smb2_downgrade_oplock()  argument
1258 		server->ops->set_oplock_level(cinode, SMB2_OPLOCK_LEVEL_II,  in smb2_downgrade_oplock()
1261 		server->ops->set_oplock_level(cinode, 0, 0, NULL);  in smb2_downgrade_oplock()