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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 /fs/nfs/callback.h
parentNFSv4.x: Switch to using svc_set_num_threads() to manage the callback threads (diff)
downloadlinux-dev-5405fc44c3377358205ab4095fe9c44716aa0900.tar.xz
linux-dev-5405fc44c3377358205ab4095fe9c44716aa0900.zip
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 'fs/nfs/callback.h')
-rw-r--r--fs/nfs/callback.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index 14bd863495db..41ad65151ec8 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -198,8 +198,9 @@ extern void nfs_callback_down(int minorversion, struct net *net);
#define NFS41_BC_MIN_CALLBACKS 1
#define NFS41_BC_MAX_CALLBACKS 1
-#define NFS4_NR_CALLBACK_THREADS 1
+#define NFS4_MIN_NR_CALLBACK_THREADS 1
extern unsigned int nfs_callback_set_tcpport;
+extern unsigned short nfs_callback_nr_threads;
#endif /* __LINUX_FS_NFS_CALLBACK_H */