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From: Christoph Hellwig <hch@lst.de>
To: Zizhi Wo <wozizhi@huaweicloud.com>
Cc: kernel test robot <lkp@intel.com>,
	viro@zeniv.linux.org.uk, jack@suse.com, brauner@kernel.org,
	axboe@kernel.dk, hch@lst.de, llvm@lists.linux.dev,
	oe-kbuild-all@lists.linux.dev, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, yukuai3@huawei.com,
	yangerkun@huawei.com
Subject: Re: [PATCH] fs: Add additional checks for block devices during mount
Date: Mon, 21 Jul 2025 08:47:12 +0200	[thread overview]
Message-ID: <20250721064712.GA28899@lst.de> (raw)
In-Reply-To: <b60e4ef2-0128-4e56-a15f-ea85194a3af0@huaweicloud.com>

On Mon, Jul 21, 2025 at 09:20:27AM +0800, Zizhi Wo wrote:
> Sorry, disk_live() is only declared but not defined when CONFIG_BLOCK is
> not set...

You can just add a if (IS_ENABLED(CONFIG_BLOCK)) check around it.


But the layering here feels wrong.  sget_dev and it's helper operate
purely on the dev_t.  Anything actually dealing with a block device /
gendisk should be in the helpers that otherwise use it.


  reply	other threads:[~2025-07-21  6:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-19  2:44 [PATCH] fs: Add additional checks for block devices during mount Zizhi Wo
2025-07-19  4:17 ` Al Viro
2025-07-19  4:46   ` Zizhi Wo
2025-07-19 12:32 ` kernel test robot
2025-07-21  1:20   ` Zizhi Wo
2025-07-21  6:47     ` Christoph Hellwig [this message]
2025-07-21  7:05       ` Zizhi Wo
2025-07-23 12:51       ` Christian Brauner
2025-07-24  7:28         ` Christoph Hellwig
2025-07-24 11:26 ` Zizhi Wo

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