acct: move mnt_pin() upwards.

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

diff --git a/kernel/acct.c b/kernel/acct.c
index d9ebc96..2d9e04d 100644 (file)
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -206,7 +206,6 @@ static void acct_kill(struct bsd_acct_struct *acct,
                ns->bacct = new;
                if (new) {
                        struct vfsmount *m = new->file->f_path.mnt;
-                       mnt_pin(m);
                        spin_lock(&acct_lock);
                        hlist_add_head(&new->s_list, &m->mnt_sb->s_pins);
                        hlist_add_head(&new->m_list, &real_mount(m)->mnt_pins);
@@ -256,6 +255,7 @@ static int acct_on(struct filename *pathname)
        acct->ns = ns;
        mutex_init(&acct->lock);
        mnt = file->f_path.mnt;
+       mnt_pin(mnt);
 
        old = acct_get(ns);
        mutex_lock_nested(&acct->lock, 1);      /* nobody has seen it yet */
@@ -264,7 +264,6 @@ static int acct_on(struct filename *pathname)
        } else {
                ns->bacct = acct;
                spin_lock(&acct_lock);
-               mnt_pin(mnt);
                hlist_add_head(&acct->s_list, &mnt->mnt_sb->s_pins);
                hlist_add_head(&acct->m_list, &real_mount(mnt)->mnt_pins);
                spin_unlock(&acct_lock);