linux-kernel - Re: [PATCH v2] block: fix kobject double initialization in add

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Message-Id: <175492091078.697940.9736842876552825184.b4-ty@kernel.dk>
Date: Mon, 11 Aug 2025 08:01:50 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Zheng Qixing <zhengqixing@...weicloud.com>
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
 yukuai3@...wei.com, yi.zhang@...wei.com, yangerkun@...wei.com, 
 houtao1@...wei.com, zhengqixing@...wei.com, lilingfeng3@...wei.com, 
 nilay@...ux.ibm.com
Subject: Re: [PATCH v2] block: fix kobject double initialization in
 add_disk


On Fri, 08 Aug 2025 13:36:09 +0800, Zheng Qixing wrote:
> Device-mapper can call add_disk() multiple times for the same gendisk
> due to its two-phase creation process (dm create + dm load). This leads
> to kobject double initialization errors when the underlying iSCSI devices
> become temporarily unavailable and then reappear.
> 
> However, if the first add_disk() call fails and is retried, the queue_kobj
> gets initialized twice, causing:
> 
> [...]

Applied, thanks!

[1/1] block: fix kobject double initialization in add_disk
      commit: 343dc5423bfe876c12bb80c56f5e44286e442a07

Best regards,
-- 
Jens Axboe