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From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
	Sergey Senozhatsky <senozhatsky@chromium.org>,
	YangYang <yang.yang@vivo.com>,
	linux-block@vger.kernel.org
Subject: Re: [PATCH 1/2] block: also mark disk-owned queues as dying in __blk_mark_disk_dead
Date: Wed, 16 Oct 2024 14:32:40 +0200	[thread overview]
Message-ID: <20241016123240.GB18219@lst.de> (raw)
In-Reply-To: <Zw-e_CtNKeLJ3q1a@fedora>

On Wed, Oct 16, 2024 at 07:09:48PM +0800, Ming Lei wrote:
> Setting QUEUE_FLAG_DYING may fail passthrough request for
> !GD_OWNS_QUEUE, I guess this may cause SCSI regression.

Yes, as clearly documented in the commit log.

> 
> blk_queue_enter() need to wait until RESURRECT & DYING are cleared
> instead of returning failure.

What we really need to is to split the enter conditions between
disk and standalone queue.  But until then I think the current
version is reasonable enough.


  reply	other threads:[~2024-10-16 12:32 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-09 11:38 try to avoid del_gendisk vs passthrough from ->release deadlocks v2 Christoph Hellwig
2024-10-09 11:38 ` [PATCH 1/2] block: also mark disk-owned queues as dying in __blk_mark_disk_dead Christoph Hellwig
2024-10-09 12:31   ` Sergey Senozhatsky
2024-10-09 12:41     ` Christoph Hellwig
2024-10-09 12:43       ` Sergey Senozhatsky
2024-10-09 13:49       ` Jens Axboe
2024-10-16  4:14   ` YangYang
2024-10-16 11:09   ` Ming Lei
2024-10-16 12:32     ` Christoph Hellwig [this message]
2024-10-16 12:49       ` Ming Lei
2024-10-16 13:35   ` Ming Lei
2024-10-19  1:25     ` Sergey Senozhatsky
2024-10-19 12:32       ` Ming Lei
2024-10-19 12:37         ` Sergey Senozhatsky
2024-10-19 12:50           ` Ming Lei
2024-10-19 12:58             ` Sergey Senozhatsky
2024-10-19 13:09               ` Ming Lei
2024-10-19 13:50                 ` Sergey Senozhatsky
2024-10-19 15:03                   ` Ming Lei
2024-10-19 15:11                     ` Sergey Senozhatsky
2024-10-19 15:40                     ` Sergey Senozhatsky
2024-10-28  5:44                     ` Sergey Senozhatsky
2024-10-09 11:38 ` [PATCH 2/2] block: mark the disk dead before taking open_mutx in del_gendisk Christoph Hellwig
2024-10-16  4:15   ` YangYang
2024-10-16  2:09 ` try to avoid del_gendisk vs passthrough from ->release deadlocks v2 Sergey Senozhatsky
  -- strict thread matches above, loose matches on Subject: below --
2024-10-08 11:57 RFC: try to avoid del_gendisk vs passthrough from ->release deadlocks Christoph Hellwig
2024-10-08 11:57 ` [PATCH 1/2] block: also mark disk-owned queues as dying in __blk_mark_disk_dead Christoph Hellwig
2024-10-09  5:06   ` Sergey Senozhatsky
2024-10-09  7:34     ` Christoph Hellwig

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