[PATCH 16/18] Revert "proc: don't allow async path resolution of /proc/thread-self components"

[Jens Axboe <axboe@kernel.dk>]

This reverts commit 0d4370cfe36b7f1719123b621a4ec4d9c7a25f89.

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

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/proc/self.c        | 2 +-
 fs/proc/thread_self.c | 7 -------
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/fs/proc/self.c b/fs/proc/self.c
index a4012154e109..cc71ce3466dc 100644
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -20,7 +20,7 @@ static const char *proc_self_get_link(struct dentry *dentry,
 	 * Not currently supported. Once we can inherit all of struct pid,
 	 * we can allow this.
 	 */
-	if (current->flags & PF_IO_WORKER)
+	if (current->flags & PF_KTHREAD)
 		return ERR_PTR(-EOPNOTSUPP);
 
 	if (!tgid)
diff --git a/fs/proc/thread_self.c b/fs/proc/thread_self.c
index d56681d86d28..a553273fbd41 100644
--- a/fs/proc/thread_self.c
+++ b/fs/proc/thread_self.c
@@ -17,13 +17,6 @@ static const char *proc_thread_self_get_link(struct dentry *dentry,
 	pid_t pid = task_pid_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_IO_WORKER)
-		return ERR_PTR(-EOPNOTSUPP);
-
 	if (!pid)
 		return ERR_PTR(-ENOENT);
 	name = kmalloc(10 + 6 + 10 + 1, dentry ? GFP_KERNEL : GFP_ATOMIC);
-- 
2.30.0