linux-kernel - Re: Walking a wait_queue_t list of tasks blocked on pipe

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Message-ID: <20160114083341.GA23562@infradead.org>
Date:	Thu, 14 Jan 2016 00:33:41 -0800
From:	Christoph Hellwig <hch@...radead.org>
To:	"W. Michael Petullo" <mike@...n.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Walking a wait_queue_t list of tasks blocked on pipe

On Wed, Jan 13, 2016 at 10:30:19PM -0500, W. Michael Petullo wrote:
> I am trying to write code to walk a wait_queue_t list as part of a LSM
> file_permission function. The purpose is to act on each task which has
> blocked while trying to read from a pipe.

Just don't do that..