diff mbox

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

Message ID 20090623150419.22490.94087.stgit@localhost
State Not Applicable, archived
Delegated to: David Miller
Headers show

Commit Message

Jesper Dangaard Brouer June 23, 2009, 3:04 p.m. UTC
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@comx.dk>
---

 fs/nfs/inode.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)


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diff mbox

Patch

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 */