Re: [PATCH v2 0/5] block: simplify with PAGE_SECTORS_SHIFT

From: Johannes Thumshirn
Date: Fri May 26 2023 - 05:27:11 EST


On 26.05.23 09:33, Luis Chamberlain wrote:
> A bit of block drivers have their own incantations with
> PAGE_SHIFT - SECTOR_SHIFT. Just simplfy and use PAGE_SECTORS_SHIFT
> all over.
>
> Based on linux-next next-20230525.
>
> Changes since v1:
>
> o keep iomap math visibly simple
> o Add tags for Reviews/acks
> o rebase onto next-20230525
>
> Luis Chamberlain (5):
> block: annotate bdev_disk_changed() deprecation with a symbol
> namespace
> drbd: use PAGE_SECTORS_SHIFT and PAGE_SECTORS
> iomap: simplify iomap_init() with PAGE_SECTORS
> dm bufio: simplify by using PAGE_SECTORS_SHIFT
> zram: use generic PAGE_SECTORS and PAGE_SECTORS_SHIFT
>
> block/partitions/core.c | 6 +-----
> drivers/block/drbd/drbd_bitmap.c | 4 ++--
> drivers/block/loop.c | 2 ++
> drivers/block/zram/zram_drv.c | 12 ++++++------
> drivers/block/zram/zram_drv.h | 2 --
> drivers/md/dm-bufio.c | 4 ++--
> drivers/s390/block/dasd_genhd.c | 2 ++
> fs/iomap/buffered-io.c | 2 +-
> 8 files changed, 16 insertions(+), 18 deletions(-)
>

Hey Luis,
I've found another one in sd_zbc_revalidate_zones():

max_append = min_t(u32, logical_to_sectors(sdkp->device, zone_blocks),
q->limits.max_segments << (PAGE_SHIFT - 9));

Mind taking care of it in the next round as well?

Thanks,
Johannes