From: Bart Van Assche <bvanassche@acm.org>
To: Dawei Li <set_pte_at@outlook.com>, axboe@kernel.dk
Cc: hch@lst.de, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] block: simplify blksize_bits() implementation
Date: Sun, 30 Oct 2022 07:34:33 -0700 [thread overview]
Message-ID: <8fdbe81c-8f43-40bb-91b8-d5c8c978fbad@acm.org> (raw)
In-Reply-To: <TYCP286MB23238842958D7C083D6B67CECA349@TYCP286MB2323.JPNP286.PROD.OUTLOOK.COM>
On 10/29/22 22:20, Dawei Li wrote:
> @@ -1349,12 +1349,7 @@ static inline int blk_rq_aligned(struct request_queue *q, unsigned long addr,
> /* assumes size > 256 */
> static inline unsigned int blksize_bits(unsigned int size)
> {
> - unsigned int bits = 8;
> - do {
> - bits++;
> - size >>= 1;
> - } while (size > 256);
> - return bits;
> + return order_base_2(size >> SECTOR_SHIFT) + SECTOR_SHIFT;
> }
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
next prev parent reply other threads:[~2022-10-30 14:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-30 5:20 Dawei Li
2022-10-30 7:36 ` Christoph Hellwig
2022-10-30 14:34 ` Bart Van Assche [this message]
2022-10-31 2:03 ` Chaitanya Kulkarni
2022-10-31 13:27 ` Jens Axboe
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