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Subject: Re: [PATCH v2 0/5] Fix "support large inline thresholds"
To: Chuck Lever <chuck.lever@oracle.com>
References: <20170123205159.21699.47373.stgit@manet.1015granger.net>
CC: <linux-rdma@vger.kernel.org>, <linux-nfs@vger.kernel.org>
From: Anna Schumaker <Anna.Schumaker@Netapp.com>
Message-ID: <353a72a5-549d-535b-28b7-411ba81483a1@Netapp.com>
Date: Tue, 24 Jan 2017 16:35:42 -0500
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Hi Chuck,

On 01/23/2017 03:52 PM, Chuck Lever wrote:
> Hi Anna-
> 
> I've received a number of reports that v4.9 commit 655fec6987be
> ("xprtrdma: Use gathered Send for large inline messages") causes
> NFS/RDMA mounts to fail for devices that have a small max_sge.
> 
> This series addresses that problem. Would you consider this series
> of bug fixes for v4.10-rc?

I noticed that patches one and four are the only ones with a "Fixes:" tag.  Do you need all five patches to fix the problem, or can the rest be deferred to 4.11?

Thanks,
Anna

> 
> 
> Available in the "nfs-rdma-for-4.10-rc" topic branch of this git repo:
> 
> git://git.linux-nfs.org/projects/cel/cel-2.6.git
> 
> And for online review:
> 
> http://git.linux-nfs.org/?p=cel/cel-2.6.git;a=shortlog;h=refs/heads/nfs-rdma-for-4.10-rc
> 
> 
> Changes since v1:
> - Rebased on v4.10-rc5
> - Renamed some variables for clarity
> - Clarified patch descriptions
> - Added Tested-by and Reviewed-by tags
> 
> ---
> 
> Chuck Lever (5):
>       xprtrdma: Fix Read chunk padding
>       xprtrdma: Per-connection pad optimization
>       xprtrdma: Disable pad optimization by default
>       xprtrdma: Reduce required number of send SGEs
>       xprtrdma: Shrink send SGEs array
> 
> 
>  net/sunrpc/xprtrdma/rpc_rdma.c  |   62 +++++++++++++++++++++++++--------------
>  net/sunrpc/xprtrdma/transport.c |    2 +
>  net/sunrpc/xprtrdma/verbs.c     |   15 ++++++---
>  net/sunrpc/xprtrdma/xprt_rdma.h |   14 ++++++---
>  4 files changed, 60 insertions(+), 33 deletions(-)
> 
> --
> Chuck Lever
>