diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-mq-debugfs.c | 1 | ||||
| -rw-r--r-- | block/blk-zoned.c | 66 |
2 files changed, 3 insertions, 64 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index ca1f2b9422d5..770c0c2b72fa 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -256,7 +256,6 @@ static const char *const rqf_name[] = { RQF_NAME(HASHED), RQF_NAME(STATS), RQF_NAME(SPECIAL_PAYLOAD), - RQF_NAME(ZONE_WRITE_LOCKED), RQF_NAME(TIMED_OUT), RQF_NAME(RESV), }; diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 44699b431ad0..3befebe6b319 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -115,52 +115,6 @@ const char *blk_zone_cond_str(enum blk_zone_cond zone_cond) } EXPORT_SYMBOL_GPL(blk_zone_cond_str); -/* - * Return true if a request is a write requests that needs zone write locking. - */ -bool blk_req_needs_zone_write_lock(struct request *rq) -{ - if (!rq->q->disk->seq_zones_wlock) - return false; - - return blk_rq_is_seq_zoned_write(rq); -} -EXPORT_SYMBOL_GPL(blk_req_needs_zone_write_lock); - -bool blk_req_zone_write_trylock(struct request *rq) -{ - unsigned int zno = blk_rq_zone_no(rq); - - if (test_and_set_bit(zno, rq->q->disk->seq_zones_wlock)) - return false; - - WARN_ON_ONCE(rq->rq_flags & RQF_ZONE_WRITE_LOCKED); - rq->rq_flags |= RQF_ZONE_WRITE_LOCKED; - - return true; -} -EXPORT_SYMBOL_GPL(blk_req_zone_write_trylock); - -void __blk_req_zone_write_lock(struct request *rq) -{ - if (WARN_ON_ONCE(test_and_set_bit(blk_rq_zone_no(rq), - rq->q->disk->seq_zones_wlock))) - return; - - WARN_ON_ONCE(rq->rq_flags & RQF_ZONE_WRITE_LOCKED); - rq->rq_flags |= RQF_ZONE_WRITE_LOCKED; -} -EXPORT_SYMBOL_GPL(__blk_req_zone_write_lock); - -void __blk_req_zone_write_unlock(struct request *rq) -{ - rq->rq_flags &= ~RQF_ZONE_WRITE_LOCKED; - if (rq->q->disk->seq_zones_wlock) - WARN_ON_ONCE(!test_and_clear_bit(blk_rq_zone_no(rq), - rq->q->disk->seq_zones_wlock)); -} -EXPORT_SYMBOL_GPL(__blk_req_zone_write_unlock); - /** * bdev_nr_zones - Get number of zones * @bdev: Target device @@ -1506,9 +1460,6 @@ void disk_free_zone_resources(struct gendisk *disk) kfree(disk->conv_zones_bitmap); disk->conv_zones_bitmap = NULL; - kfree(disk->seq_zones_wlock); - disk->seq_zones_wlock = NULL; - disk->zone_capacity = 0; disk->nr_zones = 0; } @@ -1556,7 +1507,6 @@ static int disk_revalidate_zone_resources(struct gendisk *disk, struct blk_revalidate_zone_args { struct gendisk *disk; unsigned long *conv_zones_bitmap; - unsigned long *seq_zones_wlock; unsigned int nr_zones; unsigned int zone_capacity; sector_t sector; @@ -1574,7 +1524,6 @@ static int disk_update_zone_resources(struct gendisk *disk, disk->nr_zones = args->nr_zones; disk->zone_capacity = args->zone_capacity; - swap(disk->seq_zones_wlock, args->seq_zones_wlock); swap(disk->conv_zones_bitmap, args->conv_zones_bitmap); /* @@ -1664,13 +1613,6 @@ static int blk_revalidate_zone_cb(struct blk_zone *zone, unsigned int idx, set_bit(idx, args->conv_zones_bitmap); break; case BLK_ZONE_TYPE_SEQWRITE_REQ: - if (!args->seq_zones_wlock) { - args->seq_zones_wlock = - blk_alloc_zone_bitmap(q->node, args->nr_zones); - if (!args->seq_zones_wlock) - return -ENOMEM; - } - /* * Remember the capacity of the first sequential zone and check * if it is constant for all zones. @@ -1712,7 +1654,7 @@ static int blk_revalidate_zone_cb(struct blk_zone *zone, unsigned int idx, } /** - * blk_revalidate_disk_zones - (re)allocate and initialize zone bitmaps + * blk_revalidate_disk_zones - (re)allocate and initialize zone write plugs * @disk: Target disk * * Helper function for low-level device drivers to check, (re) allocate and @@ -1786,9 +1728,8 @@ int blk_revalidate_disk_zones(struct gendisk *disk) } /* - * Install the new bitmaps and update nr_zones only once the queue is - * stopped and all I/Os are completed (i.e. a scheduler is not - * referencing the bitmaps). + * Set the new disk zone parameters only once the queue is frozen and + * all I/Os are completed. */ blk_mq_freeze_queue(q); if (ret > 0) @@ -1799,7 +1740,6 @@ int blk_revalidate_disk_zones(struct gendisk *disk) disk_free_zone_resources(disk); blk_mq_unfreeze_queue(q); - kfree(args.seq_zones_wlock); kfree(args.conv_zones_bitmap); return ret; |