vfs: switch ->show_stats to struct dentry *

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

5 files changed, 17 insertions, 16 deletions

diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
index 6c12516826ad..91ec29e112bc 100644
--- a/drivers/staging/pohmelfs/inode.c
+++ b/drivers/staging/pohmelfs/inode.c
@@ -1759,11 +1759,11 @@ err_out_exit:
         return err;
 }
 
-static int pohmelfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
+static int pohmelfs_show_stats(struct seq_file *m, struct dentry *root)
 {
         struct netfs_state *st;
         struct pohmelfs_ctl *ctl;
-        struct pohmelfs_sb *psb = POHMELFS_SB(mnt->mnt_sb);
+        struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb);
         struct pohmelfs_config *c;
 
         mutex_lock(&psb->state_lock);
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 5bb961c13c4d..0cb89dc6526c 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -488,7 +488,7 @@ static void cifs_umount_begin(struct super_block *sb)
 }
 
 #ifdef CONFIG_CIFS_STATS2
-static int cifs_show_stats(struct seq_file *s, struct vfsmount *mnt)
+static int cifs_show_stats(struct seq_file *s, struct dentry *root)
 {
         /* BB FIXME */
         return 0;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 0e6dd56a9f1e..dd74d3bc2eaa 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -265,7 +265,7 @@ static int  nfs_statfs(struct dentry *, struct kstatfs *);
 static int  nfs_show_options(struct seq_file *, struct vfsmount *);
 static int  nfs_show_devname(struct seq_file *, struct vfsmount *);
 static int  nfs_show_path(struct seq_file *, struct vfsmount *);
-static int  nfs_show_stats(struct seq_file *, struct vfsmount *);
+static int  nfs_show_stats(struct seq_file *, struct dentry *);
 static struct dentry *nfs_fs_mount(struct file_system_type *,
                 int, const char *, void *);
 static struct dentry *nfs_xdev_mount(struct file_system_type *fs_type,
@@ -785,10 +785,10 @@ static int nfs_show_path(struct seq_file *m, struct vfsmount *mnt)
 /*
  * Present statistical information for this VFS mountpoint
  */
-static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
+static int nfs_show_stats(struct seq_file *m, struct dentry *root)
 {
         int i, cpu;
-        struct nfs_server *nfss = NFS_SB(mnt->mnt_sb);
+        struct nfs_server *nfss = NFS_SB(root->d_sb);
         struct rpc_auth *auth = nfss->client->cl_auth;
         struct nfs_iostats totals = { };
 
@@ -798,10 +798,10 @@ static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
          * Display all mount option settings
          */
         seq_printf(m, "\n\topts:\t");
-        seq_puts(m, mnt->mnt_sb->s_flags & MS_RDONLY ? "ro" : "rw");
-        seq_puts(m, mnt->mnt_sb->s_flags & MS_SYNCHRONOUS ? ",sync" : "");
-        seq_puts(m, mnt->mnt_sb->s_flags & MS_NOATIME ? ",noatime" : "");
-        seq_puts(m, mnt->mnt_sb->s_flags & MS_NODIRATIME ? ",nodiratime" : "");
+        seq_puts(m, root->d_sb->s_flags & MS_RDONLY ? "ro" : "rw");
+        seq_puts(m, root->d_sb->s_flags & MS_SYNCHRONOUS ? ",sync" : "");
+        seq_puts(m, root->d_sb->s_flags & MS_NOATIME ? ",noatime" : "");
+        seq_puts(m, root->d_sb->s_flags & MS_NODIRATIME ? ",nodiratime" : "");
         nfs_show_mount_options(m, nfss, 1);
 
         seq_printf(m, "\n\tage:\t%lu", (jiffies - nfss->mount_time) / HZ);
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');
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 659be7d82617..b2e4b6f639e4 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1675,7 +1675,7 @@ struct super_operations {
         int (*show_options)(struct seq_file *, struct vfsmount *);
         int (*show_devname)(struct seq_file *, struct vfsmount *);
         int (*show_path)(struct seq_file *, struct vfsmount *);
-        int (*show_stats)(struct seq_file *, struct vfsmount *);
+        int (*show_stats)(struct seq_file *, struct dentry *);
 #ifdef CONFIG_QUOTA
         ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
         ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);