Ping...
The state?
thanks,
Kinglong Mee
On 1/19/2017 16:36, Kinglong Mee wrote:
> As the comments for svc_set_num_threads() said,
> " Destroying threads relies on the service threads filling in
> rqstp->rq_task, which only the nfs ones do. Assumes the serv
> has been created using svc_create_pooled()."
>
> If creating service through svc_create(), the svc_pool_map_put()
> will be called in svc_destroy(), but the pool map isn't used.
> So that, the reference of pool map will be drop, the next using
> of pool map will get a zero npools.
>
> Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx>
> ---
> fs/nfs/callback.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
> index 484bebc..0a21150 100644
> --- a/fs/nfs/callback.c
> +++ b/fs/nfs/callback.c
> @@ -279,7 +279,7 @@ static struct svc_serv *nfs_callback_create_svc(int minorversion)
> printk(KERN_WARNING "nfs_callback_create_svc: no kthread, %d users??\n",
> cb_info->users);
>
> - serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, sv_ops);
> + serv = svc_create_pooled(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE, sv_ops);
> if (!serv) {
> printk(KERN_ERR "nfs_callback_create_svc: create service failed\n");
> return ERR_PTR(-ENOMEM);
>
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