It isn't enough to have unshared tcons because multiple DFS mounts can
connect to same target server and failover to different servers, so we
can't use a single tcp server for such cases.
For the simplest solution, use nosharesock option to achieve that.
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
spin_lock(&cifs_tcp_ses_lock);
list_for_each(tmp, &ses->tcon_list) {
tcon = list_entry(tmp, struct cifs_tcon, tcon_list);
-#ifdef CONFIG_CIFS_DFS_UPCALL
- if (tcon->dfs_path)
- continue;
-#endif
+
if (!match_tcon(tcon, ctx))
continue;
++tcon->tc_count;
goto error;
}
+ ctx->nosharesock = true;
+
/* Get path of DFS root */
ref_path = build_unc_path_to_root(ctx, cifs_sb, false);
if (IS_ERR(ref_path)) {