SMB3: rename macro CIFS_SERVER_IS_CHAN to avoid confusion

Since older dialects such as CIFS do not support multichannel
the macro CIFS_SERVER_IS_CHAN can be confusing (it requires SMB 3
or later) so shorten its name to "SERVER_IS_CHAN"
Suggested-by: Tom Talpey <tom@talpey.com>
Acked-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/smb/client/cifs_debug.c

@@ -331,7 +331,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 	spin_lock(&cifs_tcp_ses_lock);
 	list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) {
 		/* channel info will be printed as a part of sessions below */
-		if (CIFS_SERVER_IS_CHAN(server))
+		if (SERVER_IS_CHAN(server))
 			continue;
 
 		c++;

fs/smb/client/cifsglob.h

@@ -745,7 +745,7 @@ struct TCP_Server_Info {
 	 * primary_server holds the ref-counted
 	 * pointer to primary channel connection for the session.
 	 */
-#define CIFS_SERVER_IS_CHAN(server)	(!!(server)->primary_server)
+#define SERVER_IS_CHAN(server)	(!!(server)->primary_server)
 	struct TCP_Server_Info *primary_server;
 	__u16 channel_sequence_num;  /* incremented on primary channel on each chan reconnect */
 

fs/smb/client/connect.c

@@ -154,7 +154,7 @@ cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server,
 	int i;
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	spin_lock(&pserver->srv_lock);
 	if (!all_channels) {
@@ -202,7 +202,7 @@ cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server,
 	cifs_dbg(FYI, "%s: marking necessary sessions and tcons for reconnect\n", __func__);
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 
 	spin_lock(&cifs_tcp_ses_lock);
@@ -1551,7 +1551,7 @@ cifs_find_tcp_session(struct smb3_fs_context *ctx)
 		 * Skip ses channels since they're only handled in lower layers
 		 * (e.g. cifs_send_recv).
 		 */
-		if (CIFS_SERVER_IS_CHAN(server) ||
+		if (SERVER_IS_CHAN(server) ||
 		    !match_server(server, ctx, false)) {
 			spin_unlock(&server->srv_lock);
 			continue;
@@ -1587,7 +1587,7 @@ cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect)
 	spin_unlock(&cifs_tcp_ses_lock);
 
 	/* For secondary channels, we pick up ref-count on the primary server */
-	if (CIFS_SERVER_IS_CHAN(server))
+	if (SERVER_IS_CHAN(server))
 		cifs_put_tcp_session(server->primary_server, from_reconnect);
 
 	cancel_delayed_work_sync(&server->echo);
@@ -1793,7 +1793,7 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx,
 
 out_err:
 	if (tcp_ses) {
-		if (CIFS_SERVER_IS_CHAN(tcp_ses))
+		if (SERVER_IS_CHAN(tcp_ses))
 			cifs_put_tcp_session(tcp_ses->primary_server, false);
 		kfree(tcp_ses->hostname);
 		kfree(tcp_ses->leaf_fullpath);
@@ -3814,7 +3814,7 @@ cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
 		   struct nls_table *nls_info)
 {
 	int rc = -ENOSYS;
-	struct TCP_Server_Info *pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	struct TCP_Server_Info *pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 	struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&pserver->dstaddr;
 	struct sockaddr_in *addr = (struct sockaddr_in *)&pserver->dstaddr;
 	bool is_binding = false;

fs/smb/client/misc.c

@@ -476,7 +476,7 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
 		return false;
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(srv) ? srv->primary_server : srv;
+	pserver = SERVER_IS_CHAN(srv) ? srv->primary_server : srv;
 
 	/* look up tcon based on tid & uid */
 	spin_lock(&cifs_tcp_ses_lock);

fs/smb/client/sess.c

@@ -323,12 +323,12 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
 	ses->chans[chan_index].iface = iface;
 
 	/* No iface is found. if secondary chan, drop connection */
-	if (!iface && CIFS_SERVER_IS_CHAN(server))
+	if (!iface && SERVER_IS_CHAN(server))
 		ses->chans[chan_index].server = NULL;
 
 	spin_unlock(&ses->chan_lock);
 
-	if (!iface && CIFS_SERVER_IS_CHAN(server))
+	if (!iface && SERVER_IS_CHAN(server))
 		cifs_put_tcp_session(server, false);
 
 	return rc;

fs/smb/client/smb2misc.c

@@ -145,7 +145,7 @@ smb2_check_message(char *buf, unsigned int len, struct TCP_Server_Info *server)
 	__u64 mid;
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	/*
 	 * Add function to do table lookup of StructureSize by command
@@ -623,7 +623,7 @@ smb2_is_valid_lease_break(char *buffer, struct TCP_Server_Info *server)
 	cifs_dbg(FYI, "Checking for lease break\n");
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	/* look up tcon based on tid & uid */
 	spin_lock(&cifs_tcp_ses_lock);
@@ -698,7 +698,7 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
 	cifs_dbg(FYI, "oplock level 0x%x\n", rsp->OplockLevel);
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	/* look up tcon based on tid & uid */
 	spin_lock(&cifs_tcp_ses_lock);

fs/smb/client/smb2ops.c

@@ -178,7 +178,7 @@ smb2_set_credits(struct TCP_Server_Info *server, const int val)
 		 * ChannelSequence updated for all channels in primary channel so that consistent
 		 * across SMB3 requests sent on any channel. See MS-SMB2 3.2.4.1 and 3.2.7.1
 		 */
-		if (CIFS_SERVER_IS_CHAN(server))
+		if (SERVER_IS_CHAN(server))
 			server->primary_server->channel_sequence_num++;
 		else
 			server->channel_sequence_num++;
@@ -2406,7 +2406,7 @@ smb2_is_network_name_deleted(char *buf, struct TCP_Server_Info *server)
 		return false;
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	spin_lock(&cifs_tcp_ses_lock);
 	list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
@@ -4282,7 +4282,7 @@ smb2_get_enc_key(struct TCP_Server_Info *server, __u64 ses_id, int enc, u8 *key)
 	u8 *ses_enc_key;
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	spin_lock(&cifs_tcp_ses_lock);
 	list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {

fs/smb/client/smb2pdu.c

@@ -96,7 +96,7 @@ smb2_hdr_assemble(struct smb2_hdr *shdr, __le16 smb2_cmd,
 		/* After reconnect SMB3 must set ChannelSequence on subsequent reqs */
 		smb3_hdr = (struct smb3_hdr_req *)shdr;
 		/* if primary channel is not set yet, use default channel for chan sequence num */
-		if (CIFS_SERVER_IS_CHAN(server))
+		if (SERVER_IS_CHAN(server))
 			smb3_hdr->ChannelSequence =
 				cpu_to_le16(server->primary_server->channel_sequence_num);
 		else
@@ -564,7 +564,7 @@ assemble_neg_contexts(struct smb2_negotiate_req *req,
 	 * secondary channels don't have the hostname field populated
 	 * use the hostname field in the primary channel instead
 	 */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 	cifs_server_lock(pserver);
 	hostname = pserver->hostname;
 	if (hostname && (hostname[0] != 0)) {
@@ -3796,7 +3796,7 @@ void smb2_reconnect_server(struct work_struct *work)
 	bool resched = false;
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	/* Prevent simultaneous reconnects that can corrupt tcon->rlist list */
 	mutex_lock(&pserver->reconnect_mutex);

fs/smb/client/smb2transport.c

@@ -86,7 +86,7 @@ int smb2_get_sign_key(__u64 ses_id, struct TCP_Server_Info *server, u8 *key)
 	spin_lock(&cifs_tcp_ses_lock);
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
 		if (ses->Suid == ses_id)
@@ -149,7 +149,7 @@ smb2_find_smb_ses_unlocked(struct TCP_Server_Info *server, __u64 ses_id)
 	struct cifs_ses *ses;
 
 	/* If server is a channel, select the primary channel */
-	pserver = CIFS_SERVER_IS_CHAN(server) ? server->primary_server : server;
+	pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
 
 	list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
 		if (ses->Suid != ses_id)