From dc9a16e49dbba3dd042e6aec5d9a7929e099a89b Mon Sep 17 00:00:00 2001 From: Tom Tucker Date: Sun, 30 Dec 2007 21:08:31 -0600 Subject: svc: Add /proc/sys/sunrpc/transport files Add a file that when read lists the set of registered svc transports. Signed-off-by: Tom Tucker Acked-by: Neil Brown Reviewed-by: Chuck Lever Reviewed-by: Greg Banks Signed-off-by: J. Bruce Fields --- net/sunrpc/svc_xprt.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'net/sunrpc/svc_xprt.c') diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 000c7dc3b82c..2e5b92ae24ed 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -112,6 +112,34 @@ void svc_unreg_xprt_class(struct svc_xprt_class *xcl) } EXPORT_SYMBOL_GPL(svc_unreg_xprt_class); +/* + * Format the transport list for printing + */ +int svc_print_xprts(char *buf, int maxlen) +{ + struct list_head *le; + char tmpstr[80]; + int len = 0; + buf[0] = '\0'; + + spin_lock(&svc_xprt_class_lock); + list_for_each(le, &svc_xprt_class_list) { + int slen; + struct svc_xprt_class *xcl = + list_entry(le, struct svc_xprt_class, xcl_list); + + sprintf(tmpstr, "%s %d\n", xcl->xcl_name, xcl->xcl_max_payload); + slen = strlen(tmpstr); + if (len + slen > maxlen) + break; + len += slen; + strcat(buf, tmpstr); + } + spin_unlock(&svc_xprt_class_lock); + + return len; +} + static void svc_xprt_free(struct kref *kref) { struct svc_xprt *xprt = -- cgit v1.2.2