linux-kernel - Re: [PATCH] THE INITIAL VALUE OF wp

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Message-ID: <ad413055-1f98-4f72-af03-80a07d261de2@acm.org>
Date: Tue, 10 Dec 2024 12:22:07 -0800
From: Bart Van Assche <bvanassche@....org>
To: Atharva Tiwari <evepolonium@...il.com>
Cc: Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] THE INITIAL VALUE OF wp_offset MAY BE NOT THE POWER OF 2

On 12/9/24 10:23 PM, Atharva Tiwari wrote:
> @@ -530,7 +531,7 @@ static struct blk_zone_wplug *disk_get_and_lock_zone_wplug(struct gendisk *disk,
>   	spin_lock_init(&zwplug->lock);
>   	zwplug->flags = 0;
>   	zwplug->zone_no = zno;
> -	zwplug->wp_offset = sector & (disk->queue->limits.chunk_sectors - 1);
> +	zwplug->wp_offset = bdev_offset_from_zone_start(disk->part0, sector);
>   	bio_list_init(&zwplug->bio_list);
>   	INIT_WORK(&zwplug->bio_work, blk_zone_wplug_bio_work);
>   	zwplug->disk = disk;

The above looks like a duplicate of this patch:
https://lore.kernel.org/linux-block/20241107020439.1644577-1-weilongping@oppo.com/