Re: [PATCH V4 1/9] block: add a helper function to read nr_setcs

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To: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
Subject: Re: [PATCH V4 1/9] block: add a helper function to read nr_setcs
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Thu, 11 Jul 2019 21:59:24 -0400
Cc: linux-block@xxxxxxxxxxxxxxx, colyli@xxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-btrace@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, kent.overstreet@xxxxxxxxx, yuchao0@xxxxxxxxxx, jaegeuk@xxxxxxxxxx, damien.lemoal@xxxxxxx, konrad.wilk@xxxxxxxxxx, roger.pau@xxxxxxxxxx, bvanassche@xxxxxxx, linux-scsi@xxxxxxxxxxxxxxx
In-reply-to: <20190708184711.2984-2-chaitanya.kulkarni@wdc.com> (Chaitanya Kulkarni's message of "Mon, 8 Jul 2019 11:47:03 -0700")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux)

Hi Chaitanya,

> +static inline sector_t bdev_nr_sects(struct block_device *bdev)
> +{
> +	return part_nr_sects_read(bdev->bd_part);
> +}

Can bdev end up being NULL in any of the call sites?

Otherwise no objections.

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- [PATCH V4 0/9] block: use right accessor to read nr_sects
  - From: Chaitanya Kulkarni
- [PATCH V4 1/9] block: add a helper function to read nr_setcs
  - From: Chaitanya Kulkarni

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