Re: [PATCH v1 00/18] NFS/RDMA client patches for 4.7

Chuck Lever
2016-04-11T20:11:48Z

> On Apr 11, 2016, at 4:10 PM, Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> wrote:
>
> One larger change: Attempt to fence memory regions after a signal
> interrupts a synchronous RPC. This should prevent a server from
> writing a reply into a client's memory after the memory has been
> released.
>
> In addition, the following changes and fixes:
>
> - Use new ib_drain_qp() API
> - Advertise max size of NFSv4.1 callbacks on RPC/RDMA
> - Prevent overflowing the server's receive buffers
> - Read list + Reply chunk (to support krb5i and krbp on RPC/RDMA)
> - Detect connection loss sooner

Forgot to add:

Available in the "nfs-rdma-for-4.7" topic branch of this git repo:

git://git.linux-nfs.org/projects/cel/cel-2.6.git

Or for browsing:

http://git.linux-nfs.org/?p=cel/cel-2.6.git;a=log;h=refs/heads/nfs-rdma-for-4.7

> ---
>
> Chuck Lever (18):
> sunrpc: Advertise maximum backchannel payload size
> xprtrdma: Bound the inline threshold values
> xprtrdma: Limit number of RDMA segments in RPC-over-RDMA headers
> xprtrdma: Prevent inline overflow
> xprtrdma: Avoid using Write list for small NFS READ requests
> xprtrdma: Update comments in rpcrdma_marshal_req()
> xprtrdma: Allow Read list and Reply chunk simultaneously
> xprtrdma: Remove rpcrdma_create_chunks()
> xprtrdma: Use core ib_drain_qp() API
> xprtrdma: Rename rpcrdma_frwr::sg and sg_nents
> xprtrdma: Save I/O direction in struct rpcrdma_frwr
> xprtrdma: Reset MRs in frwr_op_unmap_sync()
> xprtrdma: Refactor the FRWR recovery worker
> xprtrdma: Move fr_xprt and fr_worker to struct rpcrdma_mw
> xprtrdma: Refactor __fmr_dma_unmap()
> xprtrdma: Add ro_unmap_safe memreg method
> xprtrdma: Remove ro_unmap() from all registration modes
> xprtrdma: Faster server reboot recovery
>
>
> fs/nfs/nfs4proc.c | 10 -
> include/linux/sunrpc/clnt.h | 1
> include/linux/sunrpc/xprt.h | 1
> include/linux/sunrpc/xprtrdma.h | 4
> net/sunrpc/clnt.c | 17 +
> net/sunrpc/xprtrdma/backchannel.c | 16 +
> net/sunrpc/xprtrdma/fmr_ops.c | 134 +++++++--
> net/sunrpc/xprtrdma/frwr_ops.c | 214 ++++++++-------
> net/sunrpc/xprtrdma/physical_ops.c | 39 ++-
> net/sunrpc/xprtrdma/rpc_rdma.c | 517 ++++++++++++++++++++++--------------
> net/sunrpc/xprtrdma/transport.c | 16 +
> net/sunrpc/xprtrdma/verbs.c | 91 ++----
> net/sunrpc/xprtrdma/xprt_rdma.h | 42 ++-
> net/sunrpc/xprtsock.c | 6
> 14 files changed, 674 insertions(+), 434 deletions(-)
>
> --
> Chuck Lever
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--
Chuck Lever

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