[PATCH 2/4] staging: lustre: obdclass: remove pointless struct lustre_mount_data2

[NeilBrown]

This is used to pass a void* and NULL to lustre_fill_super().
It is easier just to pass the void*.

Signed-off-by: NeilBrown <ne...@suse.com>
---
 drivers/staging/lustre/lustre/obdclass/obd_mount.c |   19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c 
b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
index d49dc72ccba2..c98c7716a910 100644
--- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c
+++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
@@ -1107,20 +1107,14 @@ static int lmd_parse(char *options, struct 
lustre_mount_data *lmd)
        return -EINVAL;
 }
 
-struct lustre_mount_data2 {
-       void *lmd2_data;
-       struct vfsmount *lmd2_mnt;
-};
-
 /** This is the entry point for the mount call into Lustre.
  * This is called when a server or client is mounted,
  * and this is where we start setting things up.
  * @param data Mount options (e.g. -o flock,abort_recov)
  */
-static int lustre_fill_super(struct super_block *sb, void *data, int silent)
+static int lustre_fill_super(struct super_block *sb, void *lmd2_data, int 
silent)
 {
        struct lustre_mount_data *lmd;
-       struct lustre_mount_data2 *lmd2 = data;
        struct lustre_sb_info *lsi;
        int rc;
 
@@ -1143,7 +1137,7 @@ static int lustre_fill_super(struct super_block *sb, void 
*data, int silent)
        obd_zombie_barrier();
 
        /* Figure out the lmd from the mount options */
-       if (lmd_parse((lmd2->lmd2_data), lmd)) {
+       if (lmd_parse(lmd2_data, lmd)) {
                lustre_put_lsi(sb);
                rc = -EINVAL;
                goto out;
@@ -1165,7 +1159,7 @@ static int lustre_fill_super(struct super_block *sb, void 
*data, int silent)
                        }
                        /* Connect and start */
                        /* (should always be ll_fill_super) */
-                       rc = (*client_fill_super)(sb, lmd2->lmd2_mnt);
+                       rc = (*client_fill_super)(sb, NULL);
                        /* c_f_s will call lustre_common_put_super on failure */
                }
        } else {
@@ -1209,12 +1203,7 @@ EXPORT_SYMBOL(lustre_register_kill_super_cb);
 static struct dentry *lustre_mount(struct file_system_type *fs_type, int flags,
                                   const char *devname, void *data)
 {
-       struct lustre_mount_data2 lmd2 = {
-               .lmd2_data = data,
-               .lmd2_mnt = NULL
-       };
-
-       return mount_nodev(fs_type, flags, &lmd2, lustre_fill_super);
+       return mount_nodev(fs_type, flags, data, lustre_fill_super);
 }
 
 static void lustre_kill_super(struct super_block *sb)