vfs: switch ->show_stats to struct dentry *

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 6 insertions, 5 deletions

diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 9dcd9543ca12..61a09a6364ba 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -183,12 +183,13 @@ static int show_vfsstat(struct seq_file *m, struct vfsmount *mnt)
 {
         struct mount *r = real_mount(mnt);
         struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+        struct super_block *sb = mnt_path.dentry->d_sb;
         int err = 0;
 
         /* device */
-        if (mnt->mnt_sb->s_op->show_devname) {
+        if (sb->s_op->show_devname) {
                 seq_puts(m, "device ");
-                err = mnt->mnt_sb->s_op->show_devname(m, mnt);
+                err = sb->s_op->show_devname(m, mnt);
         } else {
                 if (r->mnt_devname) {
                         seq_puts(m, "device ");
@@ -204,13 +205,13 @@ static int show_vfsstat(struct seq_file *m, struct vfsmount *mnt)
 
         /* file system type */
         seq_puts(m, "with fstype ");
-        show_type(m, mnt->mnt_sb);
+        show_type(m, sb);
 
         /* optional statistics */
-        if (mnt->mnt_sb->s_op->show_stats) {
+        if (sb->s_op->show_stats) {
                 seq_putc(m, ' ');
                 if (!err)
-                        err = mnt->mnt_sb->s_op->show_stats(m, mnt);
+                        err = sb->s_op->show_stats(m, mnt_path.dentry);
         }
 
         seq_putc(m, '\n');