Revert "proc: don't allow async path resolution of /proc/self components"

This reverts commit 8d4c3e76e3be11a64df95ddee52e99092d42fc19.

No longer needed, as the io-wq worker threads have the right identity.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/proc/self.c b/fs/proc/self.c
index cc71ce3..72cd69b 100644 (file)
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -16,13 +16,6 @@ static const char *proc_self_get_link(struct dentry *dentry,
        pid_t tgid = task_tgid_nr_ns(current, ns);
        char *name;
 
-       /*
-        * Not currently supported. Once we can inherit all of struct pid,
-        * we can allow this.
-        */
-       if (current->flags & PF_KTHREAD)
-               return ERR_PTR(-EOPNOTSUPP);
-
        if (!tgid)
                return ERR_PTR(-ENOENT);
        /* max length of unsigned int in decimal + NULL term */