Re: [PATCH 0/1] Enable inter server to server copies on a export

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On 11/1/21 15:26, Bruce Fields wrote:
On Mon, Nov 01, 2021 at 03:10:31PM -0400, Steve Dickson wrote:


On 11/1/21 14:39, Bruce Fields wrote:
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 91ba391f9b32..14bc3f0b0149 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3243,6 +3243,19 @@
  			driver. A non-zero value sets the minimum interval
  			in seconds between layoutstats transmissions.
+	nfsd.inter_copy_offload_enable =
+			[NFSv4.2] When set to 1, the server will support
+			server-to-server copies for which this server is
+			the destination of the copy.
+
+	nfsd.nfsd4_ssc_umount_timeout =
+			[NFSv4.2] When used as the destination of a
+			server-to-server copy, knfsd temporarily mounts
+			the source server.  It caches the mount in case
+			it will be needed again, and discards it if not
+			used for the number of milliseconds specified by
+			this parameter.
+
  	nfsd.nfs4_disable_idmapping=
  			[NFSv4] When set to the default of '1', the NFSv4
  			server will return only numeric uids and gids to
@@ -3250,6 +3263,7 @@
  			and gids from such clients.  This is intended to ease
  			migration from NFSv2/v3.
+
  	nmi_backtrace.backtrace_idle [KNL]
  			Dump stacks even of idle CPUs in response to an
  			NMI stack-backtrace request.

Interesting... I don't see these in the Linus tree I'm looking at [1]
find Documentation/ -type f  | xargs grep -i inter_copy_offload_enable

I was suggesting that as a patch.  It's queued up for 5.16 now.
Sorry I did miss the patch part of the email...

Does it make sense to document both nfs and nfsd module
parameters in a couple man pages?

steved.




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