linux-kernel - Re: [RFC V2] block: reject I/O for same fd if block size changed

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Date:   Mon, 4 Jan 2021 01:02:14 +0000
From:   Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>
To:     Minwoo Im <minwoo.im.dev@...il.com>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>
CC:     Jens Axboe <axboe@...nel.dk>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@....de>
Subject: Re: [RFC V2] block: reject I/O for same fd if block size changed

On 12/30/20 08:03, Minwoo Im wrote:
>  
> diff --git a/block/genhd.c b/block/genhd.c
> index 73faec438e49..c3a73cba7c88 100644
> --- a/block/genhd.c
> +++ b/block/genhd.c
> @@ -81,6 +81,7 @@ bool set_capacity_and_notify(struct gendisk *disk, sector_t size)
>  	 */
>  	if (!capacity || !size)
>  		return false;
> +
>  	kobject_uevent_env(&disk_to_dev(disk)->kobj, KOBJ_CHANGE, envp);
>  	return true;
>  }
Avoid adding extra newlines in the patch, remove above extra line in v3.