Re: [PATCH RESEND 06/11] net/smc: smc_splice_read: always request MSG_DONTWAIT

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Please add correct tag, for this patch, IIUC, it should be a fix, and
you need add [PATCH net].

On Tue, Dec 12, 2023 at 11:12:47AM +0100, Ahelenia Ziemia'nska wrote:
> Otherwise we risk sleeping with the pipe locked for indeterminate
> lengths of time.
> 
> Link: https://lore.kernel.org/linux-fsdevel/qk6hjuam54khlaikf2ssom6custxf5is2ekkaequf4hvode3ls@zgf7j5j4ubvw/t/#u

Fixes line is needed.

> Signed-off-by: Ahelenia Ziemia'nska <nabijaczleweli@xxxxxxxxxxxxxxxxxx>
> ---
>  net/smc/af_smc.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
> index bacdd971615e..89473305f629 100644
> --- a/net/smc/af_smc.c
> +++ b/net/smc/af_smc.c
> @@ -3243,12 +3243,8 @@ static ssize_t smc_splice_read(struct socket *sock, loff_t *ppos,
>  			rc = -ESPIPE;
>  			goto out;
>  		}
> -		if (flags & SPLICE_F_NONBLOCK)
> -			flags = MSG_DONTWAIT;
> -		else
> -			flags = 0;
>  		SMC_STAT_INC(smc, splice_cnt);
> -		rc = smc_rx_recvmsg(smc, NULL, pipe, len, flags);
> +		rc = smc_rx_recvmsg(smc, NULL, pipe, len, MSG_DONTWAIT);
>  	}
>  out:
>  	release_sock(sk);
> -- 
> 2.39.2






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