Commit 9e8d9e82 authored Feb 15, 2021 by Jens Axboe

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



This reverts commit 0d4370cf.

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

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

parent 37d1e2e3

fs/proc/self.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)

fs/proc/thread_self.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -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);