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authorTom Tucker <tom@opengridcomputing.com>2007-12-30 21:08:35 -0600
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-02-01 16:42:13 -0500
commita217813f9067b785241cb7f31956e51d2071703a (patch)
tree5bda9ab6a461562975506d2100b16db19e3e628b /net/sunrpc
parent7fcb98d58cb4d18af6386f71025fc5192f25fbca (diff)
downloadlinux-a217813f9067b785241cb7f31956e51d2071703a.tar.bz2
knfsd: Support adding transports by writing portlist file
Update the write handler for the portlist file to allow creating new listening endpoints on a transport. The general form of the string is: <transport_name><space><port number> For example: echo "tcp 2049" > /proc/fs/nfsd/portlist This is intended to support the creation of a listening endpoint for RDMA transports without adding #ifdef code to the nfssvc.c file. Transports can also be removed as follows: '-'<transport_name><space><port number> For example: echo "-tcp 2049" > /proc/fs/nfsd/portlist Attempting to add a listener with an invalid transport string results in EPROTONOSUPPORT and a perror string of "Protocol not supported". Attempting to remove an non-existent listener (.e.g. bad proto or port) results in ENOTCONN and a perror string of "Transport endpoint is not connected" 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')
-rw-r--r--net/sunrpc/svc_xprt.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 512c10fc1a9f..783597343877 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -842,6 +842,7 @@ void svc_close_xprt(struct svc_xprt *xprt)
clear_bit(XPT_BUSY, &xprt->xpt_flags);
svc_xprt_put(xprt);
}
+EXPORT_SYMBOL_GPL(svc_close_xprt);
void svc_close_all(struct list_head *xprt_list)
{
@@ -1006,6 +1007,7 @@ struct svc_xprt *svc_find_xprt(struct svc_serv *serv, char *xcl_name,
if (port && port != svc_xprt_local_port(xprt))
continue;
found = xprt;
+ svc_xprt_get(xprt);
break;
}
spin_unlock_bh(&serv->sv_lock);