From: Jesper Dangaard Brouer Subject: [PATCH 05/10] nfs: Use rcu_barrier() on module unload. Date: Tue, 23 Jun 2009 17:04:19 +0200 Message-ID: <20090623150419.22490.94087.stgit@localhost> References: <20090623150330.22490.87327.stgit@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Jesper Dangaard Brouer , "Paul E. McKenney" , netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dougthompson-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org, bluesmoke-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, "Patrick McHardy" , christine.caulfield-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org, Trond.Myklebust-HgOvQuBEEgTQT0dZR+AlfA@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org, yoshfuji-VfPWfsRibaP+Ru+s062T9g@public.gmane.org, shemminger-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org, neilb-l3A5Bk7waGM@public.gmane.org, linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, tytso-3s7WtUTddSA@public.gmane.org, adilger-xsfywfwIY+M@public.gmane.org, netfilter-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "David S. Miller" Return-path: In-Reply-To: <20090623150330.22490.87327.stgit@localhost> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-ext4.vger.kernel.org The exit path unregister and destroys a lot of stuff, but I have not verified that nfs_free_delegation() cannot start new call_rcu() callbacks. Signed-off-by: Jesper Dangaard Brouer --- fs/nfs/inode.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 64f8719..40bf2b7 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1518,6 +1518,7 @@ static void __exit exit_nfs_fs(void) unregister_nfs_fs(); nfs_fs_proc_exit(); nfsiod_stop(); + rcu_barrier(); /* Wait for completion of call_rcu()'s */ } /* Not quite true; I just maintain it */ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html