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authorTrond Myklebust <Trond.Myklebust@netapp.com>2011-02-23 02:44:32 +0300
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-03-11 23:39:27 +0300
commitb064eca2cf6440bf9d5843b24cc4010624031694 (patch)
treef1024db40bf0afb7b764d6ee825d24cd715d1cc5 /Documentation/kernel-parameters.txt
parent3ddeb7c5c61d0d6bfd837487d3454ffdb788bb91 (diff)
downloadlinux-b064eca2cf6440bf9d5843b24cc4010624031694.tar.xz
NFSv4: Send unmapped uid/gids to the server when using auth_sys
The new behaviour is enabled using the new module parameter 'nfs4_disable_idmapping'. Note that if the server rejects an unmapped uid or gid, then the client will automatically switch back to using the idmapper. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f4a04c0c7edc..14dcf1b7dd9c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1580,6 +1580,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
of returning the full 64-bit number.
The default is to return 64-bit inode numbers.
+ nfs.nfs4_disable_idmapping=
+ [NFSv4] When set, this option disables the NFSv4
+ idmapper on the client, but only if the mount
+ is using the 'sec=sys' security flavour. This may
+ make migration from legacy NFSv2/v3 systems easier
+ provided that the server has the appropriate support.
+ The default is to always enable NFSv4 idmapping.
+
nmi_debug= [KNL,AVR32,SH] Specify one or more actions to take
when a NMI is triggered.
Format: [state][,regs][,debounce][,die]