cifs: Display local UID details for SMB sessions in DebugData

This is useful for distinguishing SMB sessions on a multiuser mount.
Signed-off-by: Paul Aurich <paul@darkrain42.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>

fs/cifs/cifs_debug.c

@@ -399,6 +399,10 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 			if (ses->sign)
 				seq_puts(m, " signed");
 
+			seq_printf(m, "\n\tUser: %d Cred User: %d",
+				   from_kuid(&init_user_ns, ses->linux_uid),
+				   from_kuid(&init_user_ns, ses->cred_uid));
+
 			if (ses->chan_count > 1) {
 				seq_printf(m, "\n\n\tExtra Channels: %zu\n",
 					   ses->chan_count-1);
@@ -406,7 +410,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 					cifs_dump_channel(m, j, &ses->chans[j]);
 			}
 
-			seq_puts(m, "\n\tShares:");
+			seq_puts(m, "\n\n\tShares:");
 			j = 0;
 
 			seq_printf(m, "\n\t%d) IPC: ", j);