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Message-ID: <099a4327-aa59-d560-8397-fc3fbd345262@huawei.com>
Date: Thu, 11 Jul 2024 11:12:55 +0800
From: Wang Zhaolong <wangzhaolong1@...wei.com>
To: <richard@....at>
CC: <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<yi.zhang@...wei.com>, <chengzhihao1@...wei.com>
Subject: Re: [RFC 0/1] ubifs: inode deletion deadlock



> Hi.
> 
> While the previous patch set [1] aimed to address the ABBA deadlock between
> inode reclaiming and deleted inode writing, I discovered that the problem
> still persists in the form of an AA deadlock after applying those changes.
> 
> The core issue is that although [1] avoids the ABBA deadlock by getting the
> xattr inodes before locking BASEHD's wbuf->io_mutex. But the inode reclaiming
> process can still get stuck waiting for the xattr inodes that have already
> been marked as I_FREEING.
> 

My bad, I need to add the link [1]

https://patchwork.ozlabs.org/project/linux-mtd/list/?series=414540 [1]

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