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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-08-29 20:03:52 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2016-09-19 13:08:36 -0400
commit5405fc44c3377358205ab4095fe9c44716aa0900 (patch)
tree0cc85d03b5503ee017f84318c9c32a86fd6e6fc1 /Documentation/kernel-parameters.txt
parentbb6aeba736ba9fd4d9569eec4bc3f7aecb42162a (diff)
downloadlinux-aarch64-5405fc44c3377358205ab4095fe9c44716aa0900.tar.gz
NFSv4.x: Add kernel parameter to control the callback server
Add support for the kernel parameter nfs.callback_nr_threads to set the number of threads that will be assigned to the callback channel. Add support for the kernel parameter nfs.nfs.max_session_cb_slots to set the maximum size of the callback channel slot table. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index a4f4d693e2c1..391ddddd6698 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2420,6 +2420,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
nfsrootdebug [NFS] enable nfsroot debugging messages.
See Documentation/filesystems/nfs/nfsroot.txt.
+ nfs.callback_nr_threads=
+ [NFSv4] set the total number of threads that the
+ NFS client will assign to service NFSv4 callback
+ requests.
+
nfs.callback_tcpport=
[NFS] set the TCP port on which the NFSv4 callback
channel should listen.
@@ -2443,6 +2448,13 @@ 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.max_session_cb_slots=
+ [NFSv4.1] Sets the maximum number of session
+ slots the client will assign to the callback
+ channel. This determines the maximum number of
+ callbacks the client will process in parallel for
+ a particular server.
+
nfs.max_session_slots=
[NFSv4.1] Sets the maximum number of session slots
the client will attempt to negotiate with the server.