[PATCH 05/10] nfs: Use rcu_barrier() on module unload.

Jesper Dangaard Brouer
2009-06-23T15:04:19Z

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 <hawk-4UpuNZONu4c@public.gmane.org>
---

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 */