Re: [PATCH 2/5] drbd: use PAGE_SECTORS_SHIFT and PAGE_SECTORS

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Am 21.04.23 um 21:58 schrieb Luis Chamberlain:
> Replace common constants with generic versions.
> This produces no functional changes.
> 
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> ---
>  drivers/block/drbd/drbd_bitmap.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
> index 6ac8c54b44c7..b556e6634f13 100644
> --- a/drivers/block/drbd/drbd_bitmap.c
> +++ b/drivers/block/drbd/drbd_bitmap.c
> @@ -1000,7 +1000,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
>  	unsigned int len;
>  
>  	first_bm_sect = device->ldev->md.md_offset + device->ldev->md.bm_offset;
> -	on_disk_sector = first_bm_sect + (((sector_t)page_nr) << (PAGE_SHIFT-SECTOR_SHIFT));
> +	on_disk_sector = first_bm_sect + (((sector_t)page_nr) << PAGE_SECTORS_SHIFT);
>  
>  	/* this might happen with very small
>  	 * flexible external meta data device,
> @@ -1008,7 +1008,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
>  	last_bm_sect = drbd_md_last_bitmap_sector(device->ldev);
>  	if (first_bm_sect <= on_disk_sector && last_bm_sect >= on_disk_sector) {
>  		sector_t len_sect = last_bm_sect - on_disk_sector + 1;
> -		if (len_sect < PAGE_SIZE/SECTOR_SIZE)
> +		if (len_sect < PAGE_SECTORS)
>  			len = (unsigned int)len_sect*SECTOR_SIZE;
>  		else
>  			len = PAGE_SIZE;

Acked-by: Christoph Böhmwalder <christoph.boehmwalder@xxxxxxxxxx>

-- 
Christoph Böhmwalder
LINBIT | Keeping the Digital World Running
DRBD HA —  Disaster Recovery — Software defined Storage




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