Re: [PATCH v3] block: simplify blksize_bits() implementation

From: Bart Van Assche
Date: Sun Oct 30 2022 - 10:34:40 EST


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@xxxxxxx>