From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Trond Myklebust <trondmy@primarydata.com>
Cc: Tom Talpey <tom@talpey.com>, Chuck Lever <chuck.lever@oracle.com>,
linux-rdma <linux-rdma@vger.kernel.org>,
Linux NFS Mailing List <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH v1 09/20] xprtrdma: Limit the number of rpcrdma_mws
Date: Wed, 8 Jun 2016 11:40:14 -0600 [thread overview]
Message-ID: <20160608174014.GB30822@obsidianresearch.com> (raw)
In-Reply-To: <8FF9BF11-C5BF-4418-9A84-AAD7A6D6321D@primarydata.com>
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On Wed, Jun 08, 2016 at 03:06:56PM +0000, Trond Myklebust wrote:
> That would be a mount parameter which would only apply to RDMA since
> everything else uses dynamic slot allocation these days. Iâd prefer to
> avoid that.
The only reason RDMA cannot allocate MRs on the fly is
performance.. Maybe a dynamic scheme is the right answer..
Jason
next prev parent reply other threads:[~2016-06-08 17:40 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-07 19:46 [PATCH v1 00/20] NFS/RDMA client patches proposed for v4.8 Chuck Lever
2016-06-07 19:46 ` [PATCH v1 01/20] xprtrdma: Remove ALLPHYSICAL memory registration mode Chuck Lever
2016-06-07 19:46 ` [PATCH v1 02/20] xprtrdma: Refactor ->ro_init Chuck Lever
2016-06-08 17:48 ` Anna Schumaker
2016-06-07 19:46 ` [PATCH v1 03/20] xprtrdma: Create common scatterlist fields in rpcrdma_mw Chuck Lever
2016-06-07 19:46 ` [PATCH v1 04/20] xprtrdma: Use scatterlist for DMA mapping and unmapping under FMR Chuck Lever
2016-06-07 19:46 ` [PATCH v1 05/20] xprtrdma: Remove rpcrdma_map_one() and friends Chuck Lever
2016-06-07 19:47 ` [PATCH v1 06/20] xprtrdma: Refactor MR recovery work queues Chuck Lever
2016-06-07 19:47 ` [PATCH v1 07/20] xprtrdma: Place registered MWs on a per-req list Chuck Lever
2016-06-07 19:47 ` [PATCH v1 08/20] xprtrdma: Reply buffer exhaustion can be catastrophic Chuck Lever
2016-06-07 19:47 ` [PATCH v1 09/20] xprtrdma: Limit the number of rpcrdma_mws Chuck Lever
2016-06-07 20:49 ` Jason Gunthorpe
2016-06-07 21:09 ` Chuck Lever
2016-06-07 21:28 ` Jason Gunthorpe
2016-06-07 21:51 ` Chuck Lever
2016-06-07 22:01 ` Jason Gunthorpe
2016-06-08 14:54 ` Tom Talpey
2016-06-08 15:06 ` Trond Myklebust
2016-06-08 17:40 ` Jason Gunthorpe [this message]
2016-06-08 17:50 ` Trond Myklebust
2016-06-08 17:53 ` Chuck Lever
2016-06-08 18:45 ` Tom Talpey
2016-06-07 19:47 ` [PATCH v1 10/20] xprtrdma: Chunk list encoders no longer share one rl_segments array Chuck Lever
2016-06-07 19:47 ` [PATCH v1 11/20] xprtrdma: rpcrdma_inline_fixup() overruns the receive page list Chuck Lever
2016-06-07 19:47 ` [PATCH v1 12/20] xprtrdma: Do not update {head, tail}.iov_len in rpcrdma_inline_fixup() Chuck Lever
2016-06-07 19:48 ` [PATCH v1 13/20] xprtrdma: Update only specific fields in private receive buffer Chuck Lever
2016-06-07 19:48 ` [PATCH v1 14/20] xprtrdma: Clean up fixup_copy_count accounting Chuck Lever
2016-06-07 19:48 ` [PATCH v1 15/20] xprtrdma: No direct data placement with krb5i and krb5p Chuck Lever
2016-06-07 19:48 ` [PATCH v1 16/20] svc: Avoid garbage replies when pc_func() returns rpc_drop_reply Chuck Lever
2016-06-07 19:48 ` [PATCH v1 17/20] NFS: Don't drop CB requests with invalid principals Chuck Lever
2016-06-07 19:48 ` [PATCH v1 18/20] xprtrdma: Eliminate rpcrdma_receive_worker() Chuck Lever
2016-06-07 19:48 ` [PATCH v1 19/20] xprtrdma: Eliminate INLINE_THRESHOLD macros Chuck Lever
2016-06-07 19:49 ` [PATCH v1 20/20] xprtrdma: Relocate connection helper functions Chuck Lever
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