afs: Rearrange afs_select_fileserver() a little
authorDavid Howells <dhowells@redhat.com>
Tue, 6 Feb 2018 06:26:30 +0000 (06:26 +0000)
committerDavid Howells <dhowells@redhat.com>
Tue, 6 Feb 2018 14:43:37 +0000 (14:43 +0000)
Rearrange afs_select_fileserver() a little to put the use_server chunk
before the next_server chunk so that with the removal of a couple of gotos
the main path through the function is all one sequence.

Signed-off-by: David Howells <dhowells@redhat.com>
fs/afs/rotate.c

index cfe0931..ad1328d 100644 (file)
@@ -330,27 +330,6 @@ start:
 
        if (!afs_start_fs_iteration(fc, vnode))
                goto failed;
-       goto use_server;
-
-next_server:
-       _debug("next");
-       afs_end_cursor(&fc->ac);
-       afs_put_cb_interest(afs_v2net(vnode), fc->cbi);
-       fc->cbi = NULL;
-       fc->index++;
-       if (fc->index >= fc->server_list->nr_servers)
-               fc->index = 0;
-       if (fc->index != fc->start)
-               goto use_server;
-
-       /* That's all the servers poked to no good effect.  Try again if some
-        * of them were busy.
-        */
-       if (fc->flags & AFS_FS_CURSOR_VBUSY)
-               goto restart_from_beginning;
-
-       fc->ac.error = -EDESTADDRREQ;
-       goto failed;
 
 use_server:
        _debug("use");
@@ -401,7 +380,6 @@ use_server:
 
        fc->ac.start = READ_ONCE(alist->index);
        fc->ac.index = fc->ac.start;
-       goto iterate_address;
 
 iterate_address:
        ASSERT(fc->ac.alist);
@@ -415,6 +393,26 @@ iterate_address:
        _leave(" = t");
        return true;
 
+next_server:
+       _debug("next");
+       afs_end_cursor(&fc->ac);
+       afs_put_cb_interest(afs_v2net(vnode), fc->cbi);
+       fc->cbi = NULL;
+       fc->index++;
+       if (fc->index >= fc->server_list->nr_servers)
+               fc->index = 0;
+       if (fc->index != fc->start)
+               goto use_server;
+
+       /* That's all the servers poked to no good effect.  Try again if some
+        * of them were busy.
+        */
+       if (fc->flags & AFS_FS_CURSOR_VBUSY)
+               goto restart_from_beginning;
+
+       fc->ac.error = -EDESTADDRREQ;
+       goto failed;
+
 failed:
        fc->flags |= AFS_FS_CURSOR_STOP;
        afs_end_cursor(&fc->ac);