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Commit 0be8189f authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: Ensure that /proc/self/mountinfo displays the minor version number 



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

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
parent 44950b67

fs/nfs/super.c

+18 −4
Original line number Diff line number Diff line
@@ -570,6 +570,22 @@ static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss, 
	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

 */
@@ -631,11 +647,9 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, 


	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");

}