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

[ Upstream commit 9e8d9e829c ]

This reverts commit 8d4c3e76e3.

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

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jens Axboe 2021-02-15 13:42:42 -07:00 committed by Greg Kroah-Hartman
parent 87cb08dc6b
commit b76c5373f0

View File

@ -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 */