| Message ID | 20220727162245.209794-9-p.raghav@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | support non power of 2 zoned device | expand |
On 7/28/22 01:22, Pankaj Raghav wrote: > Use the bdev_offset_from_zone_start() helper function to calculate > the offset from zone start instead of using power of 2 based > calculation. > > Signed-off-by: Pankaj Raghav <p.raghav@samsung.com> > Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> > --- > drivers/md/dm-zone.c | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c > index 3dafc0e8b7a9..31c16aafdbfc 100644 > --- a/drivers/md/dm-zone.c > +++ b/drivers/md/dm-zone.c > @@ -390,7 +390,9 @@ static bool dm_zone_map_bio_begin(struct mapped_device *md, > case REQ_OP_WRITE_ZEROES: > case REQ_OP_WRITE: > /* Writes must be aligned to the zone write pointer */ > - if ((clone->bi_iter.bi_sector & (zsectors - 1)) != zwp_offset) > + if ((bdev_offset_from_zone_start(md->disk->part0, > + clone->bi_iter.bi_sector)) != zwp_offset) > + > return false; > break; > case REQ_OP_ZONE_APPEND: > @@ -602,11 +604,8 @@ void dm_zone_endio(struct dm_io *io, struct bio *clone) > */ > if (clone->bi_status == BLK_STS_OK && > bio_op(clone) == REQ_OP_ZONE_APPEND) { > - sector_t mask = > - (sector_t)bdev_zone_sectors(disk->part0) - 1; > - > orig_bio->bi_iter.bi_sector += > - clone->bi_iter.bi_sector & mask; > + bdev_offset_from_zone_start(disk->part0, clone->bi_iter.bi_sector); > } > > return;
diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c index 3dafc0e8b7a9..31c16aafdbfc 100644 --- a/drivers/md/dm-zone.c +++ b/drivers/md/dm-zone.c @@ -390,7 +390,9 @@ static bool dm_zone_map_bio_begin(struct mapped_device *md, case REQ_OP_WRITE_ZEROES: case REQ_OP_WRITE: /* Writes must be aligned to the zone write pointer */ - if ((clone->bi_iter.bi_sector & (zsectors - 1)) != zwp_offset) + if ((bdev_offset_from_zone_start(md->disk->part0, + clone->bi_iter.bi_sector)) != zwp_offset) + return false; break; case REQ_OP_ZONE_APPEND: @@ -602,11 +604,8 @@ void dm_zone_endio(struct dm_io *io, struct bio *clone) */ if (clone->bi_status == BLK_STS_OK && bio_op(clone) == REQ_OP_ZONE_APPEND) { - sector_t mask = - (sector_t)bdev_zone_sectors(disk->part0) - 1; - orig_bio->bi_iter.bi_sector += - clone->bi_iter.bi_sector & mask; + bdev_offset_from_zone_start(disk->part0, clone->bi_iter.bi_sector); } return;