| Message ID | 20240202073104.2418230-5-dlemoal@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Zone write plugging | expand |
On 2/2/24 15:30, Damien Le Moal wrote: > On completion of a zone append request, the request sector indicates the > location of the written data. This value must be returned to the user > through the BIO iter sector. This is done in 2 places: in > blk_complete_request() and in req_bio_endio(). Introduce the inline > helper function blk_zone_complete_request_bio() to avoid duplicating > this BIO update for zone append requests, and to compile out this > helper call when CONFIG_BLK_DEV_ZONED is not enabled. > > Signed-off-by: Damien Le Moal <dlemoal@kernel.org> > --- > block/blk-mq.c | 11 +++++------ > block/blk.h | 19 ++++++++++++++++++- > 2 files changed, 23 insertions(+), 7 deletions(-) > > diff --git a/block/blk-mq.c b/block/blk-mq.c > index bfebb8fcd248..f02e486a02ae 100644 > --- a/block/blk-mq.c > +++ b/block/blk-mq.c > @@ -822,11 +822,11 @@ static void blk_complete_request(struct request *req) > /* Completion has already been traced */ > bio_clear_flag(bio, BIO_TRACE_COMPLETION); > > - if (req_op(req) == REQ_OP_ZONE_APPEND) > - bio->bi_iter.bi_sector = req->__sector; > - > - if (!is_flush) > + if (!is_flush) { > + blk_zone_complete_request_bio(req, bio); > bio_endio(bio); > + } > + > bio = next; > } while (bio); > > @@ -928,8 +928,7 @@ bool blk_update_request(struct request *req, blk_status_t error, > > /* Don't actually finish bio if it's part of flush sequence */ > if (!bio->bi_iter.bi_size && !is_flush) { > - if (req_op(req) == REQ_OP_ZONE_APPEND) > - bio->bi_iter.bi_sector = req->__sector; > + blk_zone_complete_request_bio(req, bio); > bio_endio(bio); > } > > diff --git a/block/blk.h b/block/blk.h > index 913c93838a01..23f76b452e70 100644 > --- a/block/blk.h > +++ b/block/blk.h > @@ -396,12 +396,29 @@ static inline struct bio *blk_queue_bounce(struct bio *bio, > > #ifdef CONFIG_BLK_DEV_ZONED > void disk_free_zone_bitmaps(struct gendisk *disk); > +static inline void blk_zone_complete_request_bio(struct request *rq, > + struct bio *bio) > +{ > + /* > + * For zone append requests, the request sector indicates the location > + * at which the BIO data was written. Return this value to the BIO > + * issuer through the BIO iter sector. > + */ > + if (req_op(rq) == REQ_OP_ZONE_APPEND) > + bio->bi_iter.bi_sector = rq->__sector; > +} > int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd, > unsigned long arg); > int blkdev_zone_mgmt_ioctl(struct block_device *bdev, blk_mode_t mode, > unsigned int cmd, unsigned long arg); > #else /* CONFIG_BLK_DEV_ZONED */ > -static inline void disk_free_zone_bitmaps(struct gendisk *disk) {} > +static inline void disk_free_zone_bitmaps(struct gendisk *disk) > +{ > +} > +static inline void blk_zone_complete_request_bio(struct request *rq, > + struct bio *bio) > +{ > +} > static inline int blkdev_report_zones_ioctl(struct block_device *bdev, > unsigned int cmd, unsigned long arg) > { Well, it doesn't _actually_ complete the request nor the bio. What about blk_zone_update_request_bio()? Cheers, Hannes
diff --git a/block/blk-mq.c b/block/blk-mq.c index bfebb8fcd248..f02e486a02ae 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -822,11 +822,11 @@ static void blk_complete_request(struct request *req) /* Completion has already been traced */ bio_clear_flag(bio, BIO_TRACE_COMPLETION); - if (req_op(req) == REQ_OP_ZONE_APPEND) - bio->bi_iter.bi_sector = req->__sector; - - if (!is_flush) + if (!is_flush) { + blk_zone_complete_request_bio(req, bio); bio_endio(bio); + } + bio = next; } while (bio); @@ -928,8 +928,7 @@ bool blk_update_request(struct request *req, blk_status_t error, /* Don't actually finish bio if it's part of flush sequence */ if (!bio->bi_iter.bi_size && !is_flush) { - if (req_op(req) == REQ_OP_ZONE_APPEND) - bio->bi_iter.bi_sector = req->__sector; + blk_zone_complete_request_bio(req, bio); bio_endio(bio); } diff --git a/block/blk.h b/block/blk.h index 913c93838a01..23f76b452e70 100644 --- a/block/blk.h +++ b/block/blk.h @@ -396,12 +396,29 @@ static inline struct bio *blk_queue_bounce(struct bio *bio, #ifdef CONFIG_BLK_DEV_ZONED void disk_free_zone_bitmaps(struct gendisk *disk); +static inline void blk_zone_complete_request_bio(struct request *rq, + struct bio *bio) +{ + /* + * For zone append requests, the request sector indicates the location + * at which the BIO data was written. Return this value to the BIO + * issuer through the BIO iter sector. + */ + if (req_op(rq) == REQ_OP_ZONE_APPEND) + bio->bi_iter.bi_sector = rq->__sector; +} int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd, unsigned long arg); int blkdev_zone_mgmt_ioctl(struct block_device *bdev, blk_mode_t mode, unsigned int cmd, unsigned long arg); #else /* CONFIG_BLK_DEV_ZONED */ -static inline void disk_free_zone_bitmaps(struct gendisk *disk) {} +static inline void disk_free_zone_bitmaps(struct gendisk *disk) +{ +} +static inline void blk_zone_complete_request_bio(struct request *rq, + struct bio *bio) +{ +} static inline int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd, unsigned long arg) {
On completion of a zone append request, the request sector indicates the location of the written data. This value must be returned to the user through the BIO iter sector. This is done in 2 places: in blk_complete_request() and in req_bio_endio(). Introduce the inline helper function blk_zone_complete_request_bio() to avoid duplicating this BIO update for zone append requests, and to compile out this helper call when CONFIG_BLK_DEV_ZONED is not enabled. Signed-off-by: Damien Le Moal <dlemoal@kernel.org> --- block/blk-mq.c | 11 +++++------ block/blk.h | 19 ++++++++++++++++++- 2 files changed, 23 insertions(+), 7 deletions(-)