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Document the "oneopenown" option added by r316792.

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This is a content change.

MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2017-04-13 22:05:24 +00:00
parent 037a2012e9
commit 19625f29fe
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=316793
1 changed files with 9 additions and 1 deletions
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10
sbin/mount_nfs/mount_nfs.8
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@ -28,7 +28,7 @@
.\" @(#)mount_nfs.8 8.3 (Berkeley) 3/29/95
.\" $FreeBSD$
.\"
.Dd September 10, 2016
.Dd April 13, 2017
.Dt MOUNT_NFS 8
.Os
.Sh NAME
@ -201,6 +201,14 @@ The only minor version currently supported is 1.
This option is only meaningful when used with the
.Cm nfsv4
option.
.It Cm oneopenown
Make a minor version 1 of the NFS Version 4 protocol mount use a single OpenOwner
for all Opens.
This may be useful for a server with a very low limit on OpenOwners, such as
AmazonEFS.
It can only be used with an NFSv4.1 mount.
It may not work correctly when Delegations are being issued by a server,
but note that the AmazonEFS server does not issued delegations at this time.
.It Cm pnfs
Enable support for parallel NFS (pNFS) for minor version 1 of the
NFS Version 4 protocol.