cifs: display scopeid in /proc/mounts

Move address display into a new function and display the scopeid as part
of the address in /proc/mounts.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 22 insertions, 11 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 8b315708cb3f..ddef913ff3e6 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -333,6 +333,27 @@ cifs_destroy_inode(struct inode *inode)
         kmem_cache_free(cifs_inode_cachep, CIFS_I(inode));
 }
 
+static void
+cifs_show_address(struct seq_file *s, struct TCP_Server_Info *server)
+{
+        seq_printf(s, ",addr=");
+
+        switch (server->addr.sockAddr.sin_family) {
+        case AF_INET:
+                seq_printf(s, "%pI4", &server->addr.sockAddr.sin_addr.s_addr);
+                break;
+        case AF_INET6:
+                seq_printf(s, "%pI6",
+                           &server->addr.sockAddr6.sin6_addr.s6_addr);
+                if (server->addr.sockAddr6.sin6_scope_id)
+                        seq_printf(s, "%%%u",
+                                   server->addr.sockAddr6.sin6_scope_id);
+                break;
+        default:
+                seq_printf(s, "(unknown)");
+        }
+}
+
 /*
  * cifs_show_options() is for displaying mount options in /proc/mounts.
  * Not all settable options are displayed but most of the important
@@ -343,7 +364,6 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m)
 {
         struct cifs_sb_info *cifs_sb;
         struct cifsTconInfo *tcon;
-        struct TCP_Server_Info *server;
 
         cifs_sb = CIFS_SB(m->mnt_sb);
         tcon = cifs_sb->tcon;
@@ -364,16 +384,7 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m)
         if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)
                 seq_printf(s, ",forcegid");
 
-        server = tcon->ses->server;
-        seq_printf(s, ",addr=");
-        switch (server->addr.sockAddr6.sin6_family) {
-        case AF_INET6:
-                seq_printf(s, "%pI6", &server->addr.sockAddr6.sin6_addr);
-                break;
-        case AF_INET:
-                seq_printf(s, "%pI4", &server->addr.sockAddr.sin_addr.s_addr);
-                break;
-        }
+        cifs_show_address(s, tcon->ses->server);
 
         if (!tcon->unix_ext)
                 seq_printf(s, ",file_mode=0%o,dir_mode=0%o",