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

From: NeilBrown
Date: Sun Dec 17 2017 - 20:13:55 EST


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 <neilb@xxxxxxxx>
---
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)