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-rw-r--r--net/9p/client.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 1218fb3b52da..4674235b0d9b 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -37,6 +37,7 @@
#include <linux/uio.h>
#include <net/9p/9p.h>
#include <linux/parser.h>
+#include <linux/seq_file.h>
#include <net/9p/client.h>
#include <net/9p/transport.h>
#include "protocol.h"
@@ -77,6 +78,30 @@ inline int p9_is_proto_dotu(struct p9_client *clnt)
}
EXPORT_SYMBOL(p9_is_proto_dotu);
+int p9_show_client_options(struct seq_file *m, struct p9_client *clnt)
+{
+ if (clnt->msize != 8192)
+ seq_printf(m, ",msize=%u", clnt->msize);
+ seq_printf(m, "trans=%s", clnt->trans_mod->name);
+
+ switch (clnt->proto_version) {
+ case p9_proto_legacy:
+ seq_puts(m, ",noextend");
+ break;
+ case p9_proto_2000u:
+ seq_puts(m, ",version=9p2000.u");
+ break;
+ case p9_proto_2000L:
+ /* Default */
+ break;
+ }
+
+ if (clnt->trans_mod->show_options)
+ return clnt->trans_mod->show_options(m, clnt);
+ return 0;
+}
+EXPORT_SYMBOL(p9_show_client_options);
+
/*
* Some error codes are taken directly from the server replies,
* make sure they are valid.