/proc/self is never going to be invalidated...

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

1 files changed, 0 insertions, 30 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 9d096e82b201..d49c4b5d2c3e 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2620,35 +2620,6 @@ static const struct pid_entry proc_base_stuff[] = {
                 &proc_self_inode_operations, NULL, {}),
 };
 
-/*
- *      Exceptional case: normally we are not allowed to unhash a busy
- * directory. In this case, however, we can do it - no aliasing problems
- * due to the way we treat inodes.
- */
-static int proc_base_revalidate(struct dentry *dentry, struct nameidata *nd)
-{
-        struct inode *inode;
-        struct task_struct *task;
-
-        if (nd->flags & LOOKUP_RCU)
-                return -ECHILD;
-
-        inode = dentry->d_inode;
-        task = get_proc_task(inode);
-        if (task) {
-                put_task_struct(task);
-                return 1;
-        }
-        d_drop(dentry);
-        return 0;
-}
-
-static const struct dentry_operations proc_base_dentry_operations =
-{
-        .d_revalidate   = proc_base_revalidate,
-        .d_delete       = pid_delete_dentry,
-};
-
 static struct dentry *proc_base_instantiate(struct inode *dir,
         struct dentry *dentry, struct task_struct *task, const void *ptr)
 {
@@ -2685,7 +2656,6 @@ static struct dentry *proc_base_instantiate(struct inode *dir,
         if (p->fop)
                 inode->i_fop = p->fop;
         ei->op = p->op;
-        d_set_d_op(dentry, &proc_base_dentry_operations);
         d_add(dentry, inode);
         error = NULL;
 out: