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authorTom Tucker <tom@opengridcomputing.com>2007-12-30 22:08:31 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-02-01 16:42:13 -0500
commitdc9a16e49dbba3dd042e6aec5d9a7929e099a89b (patch)
tree5aee4ec75869697350d3cebdfaaf8e10435ebbc2 /net/sunrpc/svc_xprt.c
parent260c1d1298f6703d38fdccd3dd5a310766327340 (diff)
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 <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'net/sunrpc/svc_xprt.c')
-rw-r--r--net/sunrpc/svc_xprt.c28
1 files changed, 28 insertions, 0 deletions
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)
112} 112}
113EXPORT_SYMBOL_GPL(svc_unreg_xprt_class); 113EXPORT_SYMBOL_GPL(svc_unreg_xprt_class);
114 114
115/*
116 * Format the transport list for printing
117 */
118int svc_print_xprts(char *buf, int maxlen)
119{
120 struct list_head *le;
121 char tmpstr[80];
122 int len = 0;
123 buf[0] = '\0';
124
125 spin_lock(&svc_xprt_class_lock);
126 list_for_each(le, &svc_xprt_class_list) {
127 int slen;
128 struct svc_xprt_class *xcl =
129 list_entry(le, struct svc_xprt_class, xcl_list);
130
131 sprintf(tmpstr, "%s %d\n", xcl->xcl_name, xcl->xcl_max_payload);
132 slen = strlen(tmpstr);
133 if (len + slen > maxlen)
134 break;
135 len += slen;
136 strcat(buf, tmpstr);
137 }
138 spin_unlock(&svc_xprt_class_lock);
139
140 return len;
141}
142
115static void svc_xprt_free(struct kref *kref) 143static void svc_xprt_free(struct kref *kref)
116{ 144{
117 struct svc_xprt *xprt = 145 struct svc_xprt *xprt =