vfs: switch ->show_stats to struct dentry *

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

3 files changed, 14 insertions, 13 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 5bb961c..0cb89dc 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 0e6dd56..dd74d3b 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 9dcd954..61a09a6 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');