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 <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
This commit is contained in:
Trond Myklebust 2016-08-29 20:03:52 -04:00 • committed by Anna Schumaker
commit 5405fc44c3
7 changed files with 33 additions and 6 deletions

View file

@ -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.