Re: [PATCH] SUNRPC: Fix possible autodisconnect during connect due to stale last_used

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 2019-06-26 at 15:50 -0400, Dave Wysochanski wrote:
> When a connection is successful ensure last_used is updated before
> calling
> xprt_schedule_autodisconnect inside xprt_unlock_connect.  This avoids
> a
> possible xprt_autoclose firing immediately after connect sequence due
> to
> an old value of last_used given to mod_timer in
> xprt_schedule_autodisconnect.
> 
> Signed-off-by: Dave Wysochanski <dwysocha@xxxxxxxxxx>
> ---
>  net/sunrpc/xprt.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
> index f6c82b1..fceaede 100644
> --- a/net/sunrpc/xprt.c
> +++ b/net/sunrpc/xprt.c
> @@ -800,6 +800,7 @@ void xprt_unlock_connect(struct rpc_xprt *xprt,
> void *cookie)
>  		goto out;
>  	xprt->snd_task =NULL;
>  	xprt->ops->release_xprt(xprt, NULL);
> +	xprt->last_used = jiffies;
>  	xprt_schedule_autodisconnect(xprt);
>  out:
>  	spin_unlock_bh(&xprt->transport_lock);

Let's just move that line into xprt_schedule_autodisconnect(), since in
practice this means all callers are doing the same thing.

-- 
Trond Myklebust
Linux NFS client maintainer, Hammerspace
trond.myklebust@xxxxxxxxxxxxxxx






[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux