path: root/Documentation/kernel-parameters.txt
diff options
authorTrond Myklebust <trond.myklebust@primarydata.com>2015-08-24 20:39:18 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-08-25 14:40:08 -0400
commitbbf58bf3488e41f346536aa89d62bdf2fe771128 (patch)
treec15f4869e0a3c5b4e1547260b555d863da12c0aa /Documentation/kernel-parameters.txt
parent266d12d42ebd2587d3d0e8c4a4e54bfb5ed29543 (diff)
NFSv4.2/pnfs: Make the layoutstats timer configurable
Allow advanced users to set the layoutstats timer in order to lengthen or shorten the period between layoutstat transmissions to the server. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1d6f0459cd7b..30d78b561574 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2279,6 +2279,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
The default parameter value of '0' causes the kernel
not to attempt recovery of lost locks.
+ nfs4.layoutstats_timer =
+ [NFSv4.2] Change the rate at which the kernel sends
+ layoutstats to the pNFS metadata server.
+ Setting this to value to 0 causes the kernel to use
+ whatever value is the default set by the layout
+ driver. A non-zero value sets the minimum interval
+ in seconds between layoutstats transmissions.
[NFSv4] When set to the default of '1', the NFSv4
server will return only numeric uids and gids to

Privacy Policy