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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-02-06 19:50:40 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-02-15 00:19:44 -0500
commitef159e9177cc5a09e6174796dde0b2d243ddf28b (patch)
tree848dc5cc90b9090a1bfb00021cf3e3511569fdef /fs
parent45d43c291e9a922d7b432b0dbcb1d8fb70d8410f (diff)
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NFSv4.1: Add a module parameter to set the number of session slots
Add the module parameter 'max_session_slots' to set the initial number of slots that the NFSv4.1 client will attempt to negotiate with the server. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4proc.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f3f56f4a3b72..0b3316541734 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -72,6 +72,8 @@
#define NFS4_MAX_LOOP_ON_RECOVER (10)
+static unsigned short max_session_slots = NFS4_DEF_SLOT_TABLE_SIZE;
+
struct nfs4_opendata;
static int _nfs4_proc_open(struct nfs4_opendata *data);
static int _nfs4_recover_proc_open(struct nfs4_opendata *data);
@@ -5245,7 +5247,7 @@ static void nfs4_init_channel_attrs(struct nfs41_create_session_args *args)
args->fc_attrs.max_rqst_sz = mxrqst_sz;
args->fc_attrs.max_resp_sz = mxresp_sz;
args->fc_attrs.max_ops = NFS4_MAX_OPS;
- args->fc_attrs.max_reqs = session->clp->cl_rpcclient->cl_xprt->max_reqs;
+ args->fc_attrs.max_reqs = max_session_slots;
dprintk("%s: Fore Channel : max_rqst_sz=%u max_resp_sz=%u "
"max_ops=%u max_reqs=%u\n",
@@ -6390,6 +6392,10 @@ const struct xattr_handler *nfs4_xattr_handlers[] = {
NULL
};
+module_param(max_session_slots, ushort, 0644);
+MODULE_PARM_DESC(max_session_slots, "Maximum number of outstanding NFSv4.1 "
+ "requests the client will negotiate");
+
/*
* Local variables:
* c-basic-offset: 8