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NFS: show retransmit settings when displaying mount options

Telusuri Sumber 
Sometimes it's important to know the exact RPC retransmit settings the
kernel is using for an NFS mount point.  Add this facility to the NFS
client's show_options method.

Test plan:
Set various retransmit settings via the mount command, and check that the
settings are reflected in /proc/mounts.

Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2006-03-20 13:44:12 -05:00
committed by Trond Myklebust
orang tua b4629fe2f0
melakukan 7a480e250c
2 mengubah file dengan 10 tambahan dan 0 penghapusan
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8
fs/nfs/inode.c
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@@ -396,6 +396,9 @@ nfs_create_client(struct nfs_server *server, const struct nfs_mount_data *data)
nfs_init_timeout_values(&timeparms, proto, data->timeo, data->retrans);
server->retrans_timeo = timeparms.to_initval;
server->retrans_count = timeparms.to_retries;
/* create transport and client */
xprt = xprt_create_proto(proto, &server->addr, &timeparms);
if (IS_ERR(xprt)) {
@@ -629,6 +632,8 @@ static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
proto = buf;
}
seq_printf(m, ",proto=%s", proto);
seq_printf(m, ",timeo=%lu", 10U * nfss->retrans_timeo / HZ);
seq_printf(m, ",retrans=%u", nfss->retrans_count);
seq_puts(m, ",addr=");
seq_escape(m, nfss->hostname, " \t\n\\");
return 0;
@@ -1800,6 +1805,9 @@ static int nfs4_fill_super(struct super_block *sb, struct nfs4_mount_data *data,
nfs_init_timeout_values(&timeparms, data->proto, data->timeo, data->retrans);
server->retrans_timeo = timeparms.to_initval;
server->retrans_count = timeparms.to_retries;
clp = nfs4_get_client(&server->addr.sin_addr);
if (!clp) {
dprintk("%s: failed to create NFS4 client.\n", __FUNCTION__);