NFS: Support the '-owrite=' option in /proc/self/mounts and mountinfo

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 4034102010f05599024f699d8f48e89c2d3217a8..bd22c933860050c4887066e675d9d4e5265eec35 100644 (file)
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -511,6 +511,13 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
                seq_puts(m, ",local_lock=flock");
        else
                seq_puts(m, ",local_lock=posix");
+
+       if (nfss->flags & NFS_MOUNT_WRITE_EAGER) {
+               if (nfss->flags & NFS_MOUNT_WRITE_WAIT)
+                       seq_puts(m, ",write=wait");
+               else
+                       seq_puts(m, ",write=eager");
+       }
 }
 
 /*