Re: [PATCH v2 1/5] SUNRPC: Revert cc93ce9529a6 ("svcrdma: Retain the page backing rq_res.head[0].iov_base")

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On Mon, 2023-06-12 at 10:10 -0400, Chuck Lever wrote:
> From: Chuck Lever <chuck.lever@xxxxxxxxxx>
> 
> Pre-requisite for releasing pages in the send completion handler.
> Reverted by hand: patch -R would not apply cleanly.
> 

I'm guessing because there were other patches to this area in the
interim that you didn't want to revert?

> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
> ---
>  net/sunrpc/xprtrdma/svc_rdma_sendto.c |    5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
> index a35d1e055b1a..8e7ccef74207 100644
> --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
> +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
> @@ -975,11 +975,6 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
>  	ret = svc_rdma_send_reply_msg(rdma, sctxt, rctxt, rqstp);
>  	if (ret < 0)
>  		goto put_ctxt;
> -
> -	/* Prevent svc_xprt_release() from releasing the page backing
> -	 * rq_res.head[0].iov_base. It's no longer being accessed by
> -	 * the I/O device. */
> -	rqstp->rq_respages++;
>  	return 0;
>  
>  reply_chunk:
> 
> 

-- 
Jeff Layton <jlayton@xxxxxxxxxx>




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