cifs: distribute channels across interfaces based on speed

[platform/kernel/linux-starfive.git] / fs / smb / client / cifs_debug.c

diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c
index 8233fb2..0acb455 100644 (file)
--- a/fs/smb/client/cifs_debug.c
+++ b/fs/smb/client/cifs_debug.c
@@ -220,6 +220,8 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
        struct cifs_ses *ses;
        struct cifs_tcon *tcon;
        struct cifs_server_iface *iface;
+       size_t iface_weight = 0, iface_min_speed = 0;
+       struct cifs_server_iface *last_iface = NULL;
        int c, i, j;
 
        seq_puts(m,
@@ -461,11 +463,25 @@ skip_rdma:
                                           "\tLast updated: %lu seconds ago",
                                           ses->iface_count,
                                           (jiffies - ses->iface_last_update) / HZ);
+
+                       last_iface = list_last_entry(&ses->iface_list,
+                                                    struct cifs_server_iface,
+                                                    iface_head);
+                       iface_min_speed = last_iface->speed;
+
                        j = 0;
                        list_for_each_entry(iface, &ses->iface_list,
                                                 iface_head) {
                                seq_printf(m, "\n\t%d)", ++j);
                                cifs_dump_iface(m, iface);
+
+                               iface_weight = iface->speed / iface_min_speed;
+                               seq_printf(m, "\t\tWeight (cur,total): (%zu,%zu)"
+                                          "\n\t\tAllocated channels: %u\n",
+                                          iface->weight_fulfilled,
+                                          iface_weight,
+                                          iface->num_channels);
+
                                if (is_ses_using_iface(ses, iface))
                                        seq_puts(m, "\t\t[CONNECTED]\n");
                        }