| Message ID | 20210525022539.119661-3-damien.lemoal@wdc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | dm: Improve zoned block device support | expand |
On Tue, May 25, 2021 at 11:25:30AM +0900, Damien Le Moal wrote: > Introduce the helper functions bio_zone_no() and bio_zone_is_seq(). > Both are the BIO counterparts of the request helpers blk_rq_zone_no() > and blk_rq_zone_is_seq(), respectively returning the number of the > target zone of a bio and true if the BIO target zone is sequential. Looks good, Reviewed-by: Christoph Hellwig <hch@lst.de>
On 5/24/21 9:25 PM, Damien Le Moal wrote: > Introduce the helper functions bio_zone_no() and bio_zone_is_seq(). > Both are the BIO counterparts of the request helpers blk_rq_zone_no() > and blk_rq_zone_is_seq(), respectively returning the number of the > target zone of a bio and true if the BIO target zone is sequential. > > Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> > Reviewed-by: Hannes Reinecke <hare@suse.de> > Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> > --- > include/linux/blkdev.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h > index f69c75bd6d27..2db0f376f5d9 100644 > --- a/include/linux/blkdev.h > +++ b/include/linux/blkdev.h > @@ -1008,6 +1008,18 @@ static inline unsigned int blk_rq_stats_sectors(const struct request *rq) > /* Helper to convert BLK_ZONE_ZONE_XXX to its string format XXX */ > const char *blk_zone_cond_str(enum blk_zone_cond zone_cond); > > +static inline unsigned int bio_zone_no(struct bio *bio) > +{ > + return blk_queue_zone_no(bdev_get_queue(bio->bi_bdev), > + bio->bi_iter.bi_sector); > +} > + > +static inline unsigned int bio_zone_is_seq(struct bio *bio) > +{ > + return blk_queue_zone_is_seq(bdev_get_queue(bio->bi_bdev), > + bio->bi_iter.bi_sector); > +} > + > static inline unsigned int blk_rq_zone_no(struct request *rq) > { > return blk_queue_zone_no(rq->q, blk_rq_pos(rq)); > Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f69c75bd6d27..2db0f376f5d9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1008,6 +1008,18 @@ static inline unsigned int blk_rq_stats_sectors(const struct request *rq) /* Helper to convert BLK_ZONE_ZONE_XXX to its string format XXX */ const char *blk_zone_cond_str(enum blk_zone_cond zone_cond); +static inline unsigned int bio_zone_no(struct bio *bio) +{ + return blk_queue_zone_no(bdev_get_queue(bio->bi_bdev), + bio->bi_iter.bi_sector); +} + +static inline unsigned int bio_zone_is_seq(struct bio *bio) +{ + return blk_queue_zone_is_seq(bdev_get_queue(bio->bi_bdev), + bio->bi_iter.bi_sector); +} + static inline unsigned int blk_rq_zone_no(struct request *rq) { return blk_queue_zone_no(rq->q, blk_rq_pos(rq));