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Date:   Mon, 11 Sep 2023 11:13:33 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Chuck Lever <cel@kernel.org>
Cc:     linux-nfs@vger.kernel.org, NeilBrown <neilb@suse.de>,
        "Liam R. Howlett" <Liam.Howlett@oracle.com>,
        Kees Cook <keescook@chromium.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        David Gow <davidgow@google.com>, linux-kernel@vger.kernel.org,
        Chuck Lever <chuck.lever@oracle.com>
Subject: Re: [PATCH v1 11/17] lib: add light-weight queuing mechanism.
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On Mon, 11 Sep 2023 10:39:43 -0400 Chuck Lever <cel@kernel.org> wrote:

> lwq is a FIFO single-linked queue that only requires a spinlock
> for dequeueing, which happens in process context.  Enqueueing is atomic
> with no spinlock and can happen in any context.

What is the advantage of this over using one of the library
facilities which we already have?