libfshelp: Add function to map over all active translators.

* libdiskfs/file-syncfs.c (diskfs_S_file_syncfs): Use the new function.
* libdiskfs/fsys-options.c (diskfs_S_fsys_set_options): Likewise.
* libdiskfs/fsys-syncfs.c (diskfs_S_fsys_syncfs): Likewise.
* libdiskfs/shutdown.c (diskfs_shutdown): Likewise.
* libfshelp/fshelp.h (fshelp_map_active_translators): New declaration.
* libfshelp/translator-list.c (fshelp_map_active_translators): New
function.
* libnetfs/file-syncfs.c (netfs_S_file_syncfs): Use the new function.
* libnetfs/fsys-set-options.c (netfs_S_fsys_set_options): Likewise.
* libnetfs/fsys-syncfs.c (netfs_S_fsys_syncfs): Likewise.
* libnetfs/shutdown.c (netfs_shutdown): Likewise.

1 files changed, 17 insertions, 18 deletions

diff --git a/libdiskfs/file-syncfs.c b/libdiskfs/file-syncfs.c
index 2faab6ad..8cd4003b 100644
--- a/libdiskfs/file-syncfs.c
+++ b/libdiskfs/file-syncfs.c
@@ -19,34 +19,33 @@
 #include "fs_S.h"
 #include <hurd/fsys.h>
 
+struct args
+{
+  int wait;
+};
+
+static error_t
+helper (void *cookie, const char *name, mach_port_t control)
+{
+  struct args *args = cookie;
+  (void) name;
+  fsys_syncfs (control, args->wait, 1);
+  return 0;
+}
+
 /* Implement file_syncfs as described in <hurd/fs.defs>. */
 kern_return_t
 diskfs_S_file_syncfs (struct protid *cred,
 		      int wait,
 		      int dochildren)
 {
-  error_t 
-    helper (struct node *np)
-      {
-	error_t err;
-	mach_port_t control;
-	
-	err = fshelp_fetch_control (&np->transbox, &control);
-	pthread_mutex_unlock (&np->lock);
-	if (!err && (control != MACH_PORT_NULL))
-	  {
-	    fsys_syncfs (control, wait, 1);
-	    mach_port_deallocate (mach_task_self (), control);
-	  }
-	pthread_mutex_lock (&np->lock);
-	return 0;
-      }
-  
+  struct args args = { wait };
+
   if (!cred)
     return EOPNOTSUPP;
 
   if (dochildren)
-    diskfs_node_iterate (helper);
+    fshelp_map_active_translators (helper, &args);
 
   if (diskfs_synchronous)
     wait = 1;