diff --git a/block/blk-settings.c b/block/blk-settings.c index a1e66165adcf4b36838adc0f65de96244fea72be..7dd8be314ac65cdcdae77f02019c1db3b82a7347 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -910,6 +910,8 @@ void blk_queue_set_zoned(struct gendisk *disk, enum blk_zoned_model model) */ blk_queue_zone_write_granularity(q, queue_logical_block_size(q)); + } else { + blk_queue_clear_zone_settings(q); } } EXPORT_SYMBOL_GPL(blk_queue_set_zoned); diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 7a68b6e4300cec97b2624d861b7d7cf97a2f1bb6..833978c02e6083fd346784bdce244fe3b7d467c3 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -549,3 +549,20 @@ int blk_revalidate_disk_zones(struct gendisk *disk, return ret; } EXPORT_SYMBOL_GPL(blk_revalidate_disk_zones); + +void blk_queue_clear_zone_settings(struct request_queue *q) +{ + blk_mq_freeze_queue(q); + + blk_queue_free_zone_bitmaps(q); + blk_queue_flag_clear(QUEUE_FLAG_ZONE_RESETALL, q); + q->required_elevator_features &= ~ELEVATOR_F_ZBD_SEQ_WRITE; + q->nr_zones = 0; + q->max_open_zones = 0; + q->max_active_zones = 0; + q->limits.chunk_sectors = 0; + q->limits.zone_write_granularity = 0; + q->limits.max_zone_append_sectors = 0; + + blk_mq_unfreeze_queue(q); +} diff --git a/block/blk.h b/block/blk.h index bfc4d526f6261cab761f50aa4aeb2886f0337fde..3b53e44b967e4ec638d86fb7578bb60ea29db138 100644 --- a/block/blk.h +++ b/block/blk.h @@ -334,8 +334,10 @@ struct bio *blk_next_bio(struct bio *bio, unsigned int nr_pages, gfp_t gfp); #ifdef CONFIG_BLK_DEV_ZONED void blk_queue_free_zone_bitmaps(struct request_queue *q); +void blk_queue_clear_zone_settings(struct request_queue *q); #else static inline void blk_queue_free_zone_bitmaps(struct request_queue *q) {} +static inline void blk_queue_clear_zone_settings(struct request_queue *q) {} #endif int blk_alloc_devt(struct block_device *part, dev_t *devt);