From: Greg KH <gregkh@linuxfoundation.org>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Hannes Reinecke <hare@suse.de>,
Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>,
Hillf Danton <hdanton@sina.com>,
Desmond Cheong Zhi Xi <desmondcheongzx@gmail.com>,
linux-block <linux-block@vger.kernel.org>
Subject: Re: [PATCH v3] block: genhd: don't call probe function with major_names_lock held
Date: Sun, 15 Aug 2021 09:06:57 +0200 [thread overview]
Message-ID: <YRi9EQJqfK6ldrZG@kroah.com> (raw)
In-Reply-To: <4e153910-bf60-2cca-fa02-b46d22b6e2c5@i-love.sakura.ne.jp>
On Sun, Aug 15, 2021 at 03:52:45PM +0900, Tetsuo Handa wrote:
> --- a/include/linux/genhd.h
> +++ b/include/linux/genhd.h
> @@ -303,9 +303,9 @@ struct gendisk *__blk_alloc_disk(int node);
> void blk_cleanup_disk(struct gendisk *disk);
>
> int __register_blkdev(unsigned int major, const char *name,
> - void (*probe)(dev_t devt));
> + void (*probe)(dev_t devt), struct module *owner);
> #define register_blkdev(major, name) \
> - __register_blkdev(major, name, NULL)
> + __register_blkdev(major, name, NULL, NULL)
> void unregister_blkdev(unsigned int major, const char *name);
Do not force modules to put their own THIS_MODULE macro as a parameter,
put it in the .h file so that it happens automagically, much like the
usb_register() define in include/linux/usb.h is created.
If you do that, you can probably get rid of the __register_blkdev()
direct calls as well...
thanks,
greg k-h
next prev parent reply other threads:[~2021-08-15 7:07 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-19 1:05 [PATCH v2] block: genhd: don't call probe function with major_names_lock held Tetsuo Handa
2021-06-19 3:24 ` kernel test robot
2021-06-19 6:14 ` kernel test robot
2021-06-19 6:44 ` Greg KH
2021-06-19 8:47 ` Tetsuo Handa
[not found] ` <20210620024403.820-1-hdanton@sina.com>
2021-06-20 13:54 ` Tetsuo Handa
2021-06-21 8:54 ` Greg KH
2021-06-21 6:18 ` Christoph Hellwig
2021-08-15 6:52 ` [PATCH v3] " Tetsuo Handa
2021-08-15 7:06 ` Greg KH [this message]
2021-08-15 7:49 ` Tetsuo Handa
2021-08-15 9:19 ` Greg KH
2021-08-18 11:07 ` [PATCH v4] " Tetsuo Handa
2021-08-18 13:27 ` Greg KH
2021-08-18 14:44 ` Tetsuo Handa
2021-08-18 15:28 ` Greg KH
2021-08-21 6:12 ` [PATCH v5] " Tetsuo Handa
2021-08-18 13:47 ` [PATCH v4] " Christoph Hellwig
2021-08-18 14:34 ` Tetsuo Handa
2021-08-18 14:41 ` Greg KH
2021-08-18 14:51 ` Tetsuo Handa
2021-08-19 9:16 ` Christoph Hellwig
2021-08-19 14:47 ` Tetsuo Handa
2021-08-19 9:19 ` Christoph Hellwig
2021-08-19 14:23 ` Tetsuo Handa
2021-08-19 15:10 ` Greg KH
2021-08-16 7:33 ` [PATCH v3] " Christoph Hellwig
2021-08-16 14:44 ` Tetsuo Handa
[not found] ` <20210817081045.3609-1-hdanton@sina.com>
2021-08-17 10:18 ` Tetsuo Handa
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