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Date: Mon, 19 Nov 2018 00:16:35 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Damien Le Moal <damien.lemoal@wdc.com>
Cc: linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
        Adam Manzanares <adam.manzanares@wdc.com>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 3/7] block: Fix get_task_ioprio() default return value
Message-ID: <20181119081635.GN9622@infradead.org>
References: <20181119035131.11255-1-damien.lemoal@wdc.com>
 <20181119035131.11255-4-damien.lemoal@wdc.com>
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On Mon, Nov 19, 2018 at 12:51:27PM +0900, Damien Le Moal wrote:
> As explained in ioprio_get() and ionice man pages, the default I/O
> priority class for processes which have not set an I/O priority using
> ioprio_set() is IOPRIO_CLASS_BE and not IOPRIO_CLASS_NONE.

While this matches the documentation, we've returned the current
values for 10 years, and before that plain 0 without any ioprio
magic.  It might be safer to just fix the documentation.