1 files changed, 6 insertions, 45 deletions

diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index a9806bc21ec3..6a2fe5187b62 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -397,8 +397,11 @@ struct dentry *proc_lookup(struct inode * dir, struct dentry *dentry, struct nam
                         if (de->namelen != dentry->d_name.len)
                                 continue;
                         if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
-                                unsigned int ino = de->low_ino;
+                                unsigned int ino;
 
+                                if (de->shadow_proc)
+                                        de = de->shadow_proc(current, de);
+                                ino = de->low_ino;
                                 de_get(de);
                                 spin_unlock(&proc_subdir_lock);
                                 error = -EINVAL;
@@ -555,41 +558,6 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp
         return 0;
 }
 
-/*
- * Kill an inode that got unregistered..
- */
-static void proc_kill_inodes(struct proc_dir_entry *de)
-{
-        struct list_head *p;
-        struct super_block *sb;
-
-        /*
-         * Actually it's a partial revoke().
-         */
-        spin_lock(&sb_lock);
-        list_for_each_entry(sb, &proc_fs_type.fs_supers, s_instances) {
-                file_list_lock();
-                list_for_each(p, &sb->s_files) {
-                        struct file *filp = list_entry(p, struct file,
-                                                        f_u.fu_list);
-                        struct dentry *dentry = filp->f_path.dentry;
-                        struct inode *inode;
-                        const struct file_operations *fops;
-
-                        if (dentry->d_op != &proc_dentry_operations)
-                                continue;
-                        inode = dentry->d_inode;
-                        if (PDE(inode) != de)
-                                continue;
-                        fops = filp->f_op;
-                        filp->f_op = NULL;
-                        fops_put(fops);
-                }
-                file_list_unlock();
-        }
-        spin_unlock(&sb_lock);
-}
-
 static struct proc_dir_entry *proc_create(struct proc_dir_entry **parent,
                                           const char *name,
                                           mode_t mode,
@@ -620,6 +588,7 @@ static struct proc_dir_entry *proc_create(struct proc_dir_entry **parent,
         ent->namelen = len;
         ent->mode = mode;
         ent->nlink = nlink;
+        atomic_set(&ent->count, 1);
         ent->pde_users = 0;
         spin_lock_init(&ent->pde_unload_lock);
         ent->pde_unload_completion = NULL;
@@ -717,7 +686,6 @@ void free_proc_entry(struct proc_dir_entry *de)
 
 /*
  * Remove a /proc entry and free it if it's not currently in use.
- * If it is in use, we set the 'deleted' flag.
  */
 void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
 {
@@ -764,17 +732,10 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
 continue_removing:
                 if (S_ISDIR(de->mode))
                         parent->nlink--;
-                if (!S_ISREG(de->mode))
-                        proc_kill_inodes(de);
                 de->nlink = 0;
                 WARN_ON(de->subdir);
-                if (!atomic_read(&de->count))
+                if (atomic_dec_and_test(&de->count))
                         free_proc_entry(de);
-                else {
-                        de->deleted = 1;
-                        printk("remove_proc_entry: %s/%s busy, count=%d\n",
-                                parent->name, de->name, atomic_read(&de->count));
-                }
                 break;
         }
         spin_unlock(&proc_subdir_lock);