On Mon, Jul 19, 2010 at 04:50:04PM -0400, Jeff Layton wrote:
> If someone tries to shut down the laundry_wq while it isn't up it'll
> cause an oops.
nfs4_state_shutdown is called only from nfsd_last_thread, which is
called only after svc_create_pooled, which is called only when
nfs4_state_start() succeeds.
If you've actually seen this happen then there's something going on that
I don't understand.
--b.
>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> ---
> fs/nfsd/nfs4state.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index 4a27347..0b396f8 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -4116,6 +4116,8 @@ __nfs4_state_shutdown(void)
> void
> nfs4_state_shutdown(void)
> {
> + if (!nfs4_init)
> + return;
> cancel_rearming_delayed_workqueue(laundry_wq, &laundromat_work);
> destroy_workqueue(laundry_wq);
> locks_end_grace(&nfsd4_manager);
> --
> 1.5.5.6
>
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