diff options
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/block/blk.h b/block/blk.h index 37ec459fe656..0a2eccf28ca4 100644 --- a/block/blk.h +++ b/block/blk.h @@ -12,6 +12,16 @@ #include "blk-crypto-internal.h" struct elevator_type; +struct elevator_tags; + +/* + * Default upper limit for the software max_sectors limit used for regular I/Os. + * This can be increased through sysfs. + * + * This should not be confused with the max_hw_sector limit that is entirely + * controlled by the block device driver, usually based on hardware limits. + */ +#define BLK_DEF_MAX_SECTORS_CAP (SZ_4M >> SECTOR_SHIFT) #define BLK_DEV_MAX_SECTORS (LLONG_MAX >> 9) #define BLK_MIN_SEGMENT_SIZE 4096 @@ -321,7 +331,8 @@ bool blk_bio_list_merge(struct request_queue *q, struct list_head *list, bool blk_insert_flush(struct request *rq); -void elv_update_nr_hw_queues(struct request_queue *q); +void elv_update_nr_hw_queues(struct request_queue *q, struct elevator_type *e, + struct elevator_tags *t); void elevator_set_default(struct request_queue *q); void elevator_set_none(struct request_queue *q); @@ -467,23 +478,15 @@ static inline bool bio_zone_write_plugging(struct bio *bio) { return bio_flagged(bio, BIO_ZONE_WRITE_PLUGGING); } -void blk_zone_write_plug_bio_merged(struct bio *bio); -void blk_zone_write_plug_init_request(struct request *rq); -static inline void blk_zone_update_request_bio(struct request *rq, - struct bio *bio) +static inline bool blk_req_bio_is_zone_append(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. - * For plugged zone writes, which include emulated zone append, we need - * the original BIO sector so that blk_zone_write_plug_bio_endio() can - * lookup the zone write plug. - */ - if (req_op(rq) == REQ_OP_ZONE_APPEND || - bio_flagged(bio, BIO_EMULATES_ZONE_APPEND)) - bio->bi_iter.bi_sector = rq->__sector; + return req_op(rq) == REQ_OP_ZONE_APPEND || + bio_flagged(bio, BIO_EMULATES_ZONE_APPEND); } +void blk_zone_write_plug_bio_merged(struct bio *bio); +void blk_zone_write_plug_init_request(struct request *rq); +void blk_zone_append_update_request_bio(struct request *rq, struct bio *bio); void blk_zone_write_plug_bio_endio(struct bio *bio); static inline void blk_zone_bio_endio(struct bio *bio) { @@ -516,14 +519,19 @@ static inline bool bio_zone_write_plugging(struct bio *bio) { return false; } +static inline bool blk_req_bio_is_zone_append(struct request *req, + struct bio *bio) +{ + return false; +} static inline void blk_zone_write_plug_bio_merged(struct bio *bio) { } static inline void blk_zone_write_plug_init_request(struct request *rq) { } -static inline void blk_zone_update_request_bio(struct request *rq, - struct bio *bio) +static inline void blk_zone_append_update_request_bio(struct request *rq, + struct bio *bio) { } static inline void blk_zone_bio_endio(struct bio *bio) |