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Subject[038/205] NFSv4: Ensure that /proc/self/mountinfo displays the minor version number
2.6.34-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Trond Myklebust <Trond.Myklebust@netapp.com>

commit 0be8189f2c87fcc747d6a4a657a0b6e2161b2318 upstream.

Currently, we do not display the minor version mount parameter in the
/proc mount info.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
fs/nfs/super.c | 22 ++++++++++++++++++----
1 file changed, 18 insertions(+), 4 deletions(-)

--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -566,6 +566,22 @@ static void nfs_show_mountd_options(stru
nfs_show_mountd_netid(m, nfss, showdefaults);
}

+#ifdef CONFIG_NFS_V4
+static void nfs_show_nfsv4_options(struct seq_file *m, struct nfs_server *nfss,
+ int showdefaults)
+{
+ struct nfs_client *clp = nfss->nfs_client;
+
+ seq_printf(m, ",clientaddr=%s", clp->cl_ipaddr);
+ seq_printf(m, ",minorversion=%u", clp->cl_minorversion);
+}
+#else
+static void nfs_show_nfsv4_options(struct seq_file *m, struct nfs_server *nfss,
+ int showdefaults)
+{
+}
+#endif
+
/*
* Describe the mount options in force on this server representation
*/
@@ -627,11 +643,9 @@ static void nfs_show_mount_options(struc

if (version != 4)
nfs_show_mountd_options(m, nfss, showdefaults);
+ else
+ nfs_show_nfsv4_options(m, nfss, showdefaults);

-#ifdef CONFIG_NFS_V4
- if (clp->rpc_ops->version == 4)
- seq_printf(m, ",clientaddr=%s", clp->cl_ipaddr);
-#endif
if (nfss->options & NFS_OPTION_FSCACHE)
seq_printf(m, ",fsc");
}



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