From: bfields@fieldses.org (J. Bruce Fields)
To: Chuck Lever <chuck.lever@oracle.com>
Cc: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: Re: [PATCH v1 5/5] svcrdma: Boost NFS READ/WRITE payload size maximum
Date: Fri, 10 Jul 2015 10:18:14 -0400 [thread overview]
Message-ID: <20150710141814.GA31121@fieldses.org> (raw)
In-Reply-To: <20150709204546.8481.65857.stgit@klimt.1015granger.net>
On Thu, Jul 09, 2015 at 04:45:47PM -0400, Chuck Lever wrote:
> Increased to 1 megabyte.
Why not more or less?
Why do we even have this constant, why shouldn't we just use
RPCSVC_MAXPAYLOAD?
--b.
>
> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
> ---
>
> include/linux/sunrpc/svc_rdma.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
> index 13af61b..1bca6dd 100644
> --- a/include/linux/sunrpc/svc_rdma.h
> +++ b/include/linux/sunrpc/svc_rdma.h
> @@ -172,7 +172,7 @@ struct svcxprt_rdma {
> #define RDMAXPRT_SQ_PENDING 2
> #define RDMAXPRT_CONN_PENDING 3
>
> -#define RPCRDMA_MAX_SVC_SEGS (64) /* server max scatter/gather */
> +#define RPCRDMA_MAX_SVC_SEGS (256) /* server max scatter/gather */
> #if RPCSVC_MAXPAYLOAD < (RPCRDMA_MAX_SVC_SEGS << PAGE_SHIFT)
> #define RPCRDMA_MAXPAYLOAD RPCSVC_MAXPAYLOAD
> #else
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org (J. Bruce Fields)
To: Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v1 5/5] svcrdma: Boost NFS READ/WRITE payload size maximum
Date: Fri, 10 Jul 2015 10:18:14 -0400 [thread overview]
Message-ID: <20150710141814.GA31121@fieldses.org> (raw)
In-Reply-To: <20150709204546.8481.65857.stgit-Hs+gFlyCn65vLzlybtyyYzGyq/o6K9yX@public.gmane.org>
On Thu, Jul 09, 2015 at 04:45:47PM -0400, Chuck Lever wrote:
> Increased to 1 megabyte.
Why not more or less?
Why do we even have this constant, why shouldn't we just use
RPCSVC_MAXPAYLOAD?
--b.
>
> Signed-off-by: Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> ---
>
> include/linux/sunrpc/svc_rdma.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
> index 13af61b..1bca6dd 100644
> --- a/include/linux/sunrpc/svc_rdma.h
> +++ b/include/linux/sunrpc/svc_rdma.h
> @@ -172,7 +172,7 @@ struct svcxprt_rdma {
> #define RDMAXPRT_SQ_PENDING 2
> #define RDMAXPRT_CONN_PENDING 3
>
> -#define RPCRDMA_MAX_SVC_SEGS (64) /* server max scatter/gather */
> +#define RPCRDMA_MAX_SVC_SEGS (256) /* server max scatter/gather */
> #if RPCSVC_MAXPAYLOAD < (RPCRDMA_MAX_SVC_SEGS << PAGE_SHIFT)
> #define RPCRDMA_MAXPAYLOAD RPCSVC_MAXPAYLOAD
> #else
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
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next prev parent reply other threads:[~2015-07-10 14:18 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-09 20:44 [PATCH v1 0/5] NFS/RDMA server side for Linux 4.3 Chuck Lever
2015-07-09 20:44 ` Chuck Lever
2015-07-09 20:45 ` [PATCH v1 1/5] NFS/RDMA Release resources in svcrdma when device is removed Chuck Lever
2015-07-09 20:45 ` Chuck Lever
2015-07-09 20:45 ` [PATCH v1 2/5] svcrdma: Fix send_reply() scatter/gather set-up Chuck Lever
2015-07-09 20:45 ` Chuck Lever
2015-07-09 20:45 ` [PATCH v1 3/5] svcrdma: Clean up svc_rdma_get_reply_array() Chuck Lever
2015-07-09 20:45 ` Chuck Lever
2015-07-09 20:45 ` [PATCH v1 4/5] svcrdma: Remove svc_rdma_fastreg() Chuck Lever
2015-07-09 20:45 ` Chuck Lever
2015-07-09 20:45 ` [PATCH v1 5/5] svcrdma: Boost NFS READ/WRITE payload size maximum Chuck Lever
2015-07-09 20:45 ` Chuck Lever
2015-07-10 14:18 ` J. Bruce Fields [this message]
2015-07-10 14:18 ` J. Bruce Fields
2015-07-10 14:18 ` J. Bruce Fields
2015-07-10 14:18 ` J. Bruce Fields
2015-07-10 14:59 ` Chuck Lever
2015-07-10 14:59 ` Chuck Lever
2015-07-10 15:54 ` J. Bruce Fields
2015-07-10 15:54 ` J. Bruce Fields
2015-07-10 15:59 ` Chuck Lever
2015-07-10 15:59 ` Chuck Lever
2015-07-10 16:05 ` J. Bruce Fields
2015-07-10 16:05 ` J. Bruce Fields
2015-07-13 16:40 ` Chuck Lever
2015-07-13 16:40 ` Chuck Lever
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