linux-kernel - Re: PROBLEM: BLKPG_DEL_PARTITION with GENHD_FL_NO_PART used to return ENXIO, now returns EINVAL

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Message-ID: <20240115125722.bwumutabu4itbrho@ws.net.home>
Date: Mon, 15 Jan 2024 13:57:22 +0100
From: Karel Zak <kzak@...hat.com>
To: Allison Karlitskaya <allison.karlitskaya@...hat.com>
Cc: linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
	Jens Axboe <axboe@...nel.dk>
Subject: Re: PROBLEM: BLKPG_DEL_PARTITION with GENHD_FL_NO_PART used to
 return ENXIO, now returns EINVAL

On Mon, Jan 15, 2024 at 01:13:49PM +0100, Allison Karlitskaya wrote:
> hi,
> 
> [1.] One line summary of the problem:
> BLKPG_DEL_PARTITION on an empty loopback device used to return ENXIO
> but now returns EINVAL, breaking partprobe

 Note that partx from util-linux also assumes ENXIO, and this errno is
 interpreted as non-error ("ignore this partition").

    Karel

-- 
 Karel Zak  <kzak@...hat.com>
 http://karelzak.blogspot.com