Re: [PATCH 2/2] ceph: make sure request isn't in any waiting list when kicking request.

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Reviewed-by: Sage Weil <sage@xxxxxxxxxx>

On Thu, 11 Sep 2014, Yan, Zheng wrote:

> From: "Yan, Zheng" <ukernel@xxxxxxxxx>
> 
> we may corrupt waiting list if a request in the waiting list is kicked.
> 
> Signed-off-by: Yan, Zheng <zyan@xxxxxxxxxx>
> ---
>  fs/ceph/mds_client.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
> index 267ba44..a17fc49 100644
> --- a/fs/ceph/mds_client.c
> +++ b/fs/ceph/mds_client.c
> @@ -2078,6 +2078,7 @@ static void kick_requests(struct ceph_mds_client *mdsc, int mds)
>  		if (req->r_session &&
>  		    req->r_session->s_mds == mds) {
>  			dout(" kicking tid %llu\n", req->r_tid);
> +			list_del_init(&req->r_wait);
>  			__do_request(mdsc, req);
>  		}
>  	}
> -- 
> 1.9.3
> 
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