From be0a34cf05c1bcbb119d91a74be44ee837861426 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 4 Jul 2015 23:29:46 +0200
Subject: Do not keep mutex locked while waiting for authenticate loop

* libdiskfs/io-reauthenticate.c (diskfs_S_io_reauthenticate): Release the node
lock while blocking on the auth server and client.
* libnetfs/io-reauthenticate.c (netfs_S_io_reauthenticate): Likewise.
* pfinet/io-ops.c (S_io_reauthenticate): Likewise.
---
 libnetfs/io-reauthenticate.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libnetfs/io-reauthenticate.c')

diff --git a/libnetfs/io-reauthenticate.c b/libnetfs/io-reauthenticate.c
index 1d2d935a..f4f50d52 100644
--- a/libnetfs/io-reauthenticate.c
+++ b/libnetfs/io-reauthenticate.c
@@ -37,8 +37,11 @@ netfs_S_io_reauthenticate (struct protid *user, mach_port_t rend_port)
   newright = ports_get_send_right (newpi);
   assert (newright != MACH_PORT_NULL);
 
+  /* Release the node lock while blocking on the auth server and client.  */
+  pthread_mutex_unlock (&user->po->np->lock);
   err = iohelp_reauth (&newpi->user, netfs_auth_server_port, rend_port,
 		       newright, 1);
+  pthread_mutex_lock (&user->po->np->lock);
 
   mach_port_deallocate (mach_task_self (), rend_port);
   mach_port_deallocate (mach_task_self (), newright);
-- 
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