191 bool bdev_zone_is_seq(struct block_device *bdev, sector_t sector)  in bdev_zone_is_seq()  argument
193 	struct gendisk *disk = bdev->bd_disk;  in bdev_zone_is_seq()
198 	if (!bdev_is_zoned(bdev))  in bdev_zone_is_seq()
222 static int blkdev_do_report_zones(struct block_device *bdev, sector_t sector,  in blkdev_do_report_zones()  argument
226 	struct gendisk *disk = bdev->bd_disk;  in blkdev_do_report_zones()
228 	if (!bdev_is_zoned(bdev) || WARN_ON_ONCE(!disk->fops->report_zones))  in blkdev_do_report_zones()
256 int blkdev_report_zones(struct block_device *bdev, sector_t sector,  in blkdev_report_zones()  argument
264 	return blkdev_do_report_zones(bdev, sector, nr_zones, &args);  in blkdev_report_zones()
268 static int blkdev_zone_reset_all(struct block_device *bdev)  in blkdev_zone_reset_all()  argument
272 	bio_init(&bio, bdev, NULL, 0, REQ_OP_ZONE_RESET_ALL | REQ_SYNC);  in blkdev_zone_reset_all()
292 int blkdev_zone_mgmt(struct block_device *bdev, enum req_op op,  in blkdev_zone_mgmt()  argument
295 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in blkdev_zone_mgmt()
296 	sector_t capacity = bdev_nr_sectors(bdev);  in blkdev_zone_mgmt()
301 	if (!bdev_is_zoned(bdev))  in blkdev_zone_mgmt()
304 	if (bdev_read_only(bdev))  in blkdev_zone_mgmt()
315 	if (!bdev_is_zone_start(bdev, sector))  in blkdev_zone_mgmt()
318 	if (!bdev_is_zone_start(bdev, nr_sectors) && end_sector != capacity)  in blkdev_zone_mgmt()
326 		return blkdev_zone_reset_all(bdev);  in blkdev_zone_mgmt()
329 		bio = blk_next_bio(bio, bdev, 0, op | REQ_SYNC, GFP_KERNEL);  in blkdev_zone_mgmt()
368 int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd,  in blkdev_report_zones_ioctl()  argument
379 	if (!bdev_is_zoned(bdev))  in blkdev_report_zones_ioctl()
392 		ret = blkdev_report_zones(bdev, rep.sector, rep.nr_zones,  in blkdev_report_zones_ioctl()
398 		ret = blkdev_report_zones_cached(bdev, rep.sector, rep.nr_zones,  in blkdev_report_zones_ioctl()
415 static int blkdev_truncate_zone_range(struct block_device *bdev,  in blkdev_truncate_zone_range()  argument
421 	    zrange->sector + zrange->nr_sectors > get_capacity(bdev->bd_disk))  in blkdev_truncate_zone_range()
428 	return truncate_bdev_range(bdev, mode, start, end);  in blkdev_truncate_zone_range()
435 int blkdev_zone_mgmt_ioctl(struct block_device *bdev, blk_mode_t mode,  in blkdev_zone_mgmt_ioctl()  argument
446 	if (!bdev_is_zoned(bdev))  in blkdev_zone_mgmt_ioctl()
460 		inode_lock(bdev->bd_mapping->host);  in blkdev_zone_mgmt_ioctl()
461 		filemap_invalidate_lock(bdev->bd_mapping);  in blkdev_zone_mgmt_ioctl()
462 		ret = blkdev_truncate_zone_range(bdev, mode, &zrange);  in blkdev_zone_mgmt_ioctl()
479 	ret = blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors);  in blkdev_zone_mgmt_ioctl()
483 		filemap_invalidate_unlock(bdev->bd_mapping);  in blkdev_zone_mgmt_ioctl()
484 		inode_unlock(bdev->bd_mapping->host);  in blkdev_zone_mgmt_ioctl()
895 static int blkdev_report_zone_fallback(struct block_device *bdev,  in blkdev_report_zone_fallback()  argument
905 	error = blkdev_do_report_zones(bdev, sector, 1, &args);  in blkdev_report_zone_fallback()
919 static inline bool blkdev_has_cached_report_zones(struct block_device *bdev)  in blkdev_has_cached_report_zones()  argument
921 	return disk_need_zone_resources(bdev->bd_disk) &&  in blkdev_has_cached_report_zones()
922 		(bdev_emulates_zone_append(bdev) ||  in blkdev_has_cached_report_zones()
923 		 !test_bit(GD_ZONE_APPEND_USED, &bdev->bd_disk->state));  in blkdev_has_cached_report_zones()
941 int blkdev_get_zone_info(struct block_device *bdev, sector_t sector,  in blkdev_get_zone_info()  argument
944 	struct gendisk *disk = bdev->bd_disk;  in blkdev_get_zone_info()
945 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in blkdev_get_zone_info()
950 	if (!bdev_is_zoned(bdev))  in blkdev_get_zone_info()
957 	sector = bdev_zone_start(bdev, sector);  in blkdev_get_zone_info()
959 	if (!blkdev_has_cached_report_zones(bdev))  in blkdev_get_zone_info()
960 		return blkdev_report_zone_fallback(bdev, sector, zone);  in blkdev_get_zone_info()
966 		return blkdev_report_zone_fallback(bdev, sector, zone);  in blkdev_get_zone_info()
1021 		return blkdev_report_zone_fallback(bdev, sector, zone);  in blkdev_get_zone_info()
1048 int blkdev_report_zones_cached(struct block_device *bdev, sector_t sector,  in blkdev_report_zones_cached()  argument
1051 	struct gendisk *disk = bdev->bd_disk;  in blkdev_report_zones_cached()
1053 	sector_t zone_sectors = bdev_zone_sectors(bdev);  in blkdev_report_zones_cached()
1058 	if (!cb || !bdev_is_zoned(bdev) ||  in blkdev_report_zones_cached()
1065 	if (!blkdev_has_cached_report_zones(bdev)) {  in blkdev_report_zones_cached()
1072 		return blkdev_do_report_zones(bdev, sector, nr_zones, &args);  in blkdev_report_zones_cached()
1075 	for (sector = bdev_zone_start(bdev, sector);  in blkdev_report_zones_cached()
1078 		ret = blkdev_get_zone_info(bdev, sector, &zone);  in blkdev_report_zones_cached()
1149 	struct block_device *bdev = bio->bi_bdev;  in blk_zone_finish_bio_endio()  local
1150 	struct gendisk *disk = bdev->bd_disk;  in blk_zone_finish_bio_endio()
1166 					      bdev_zone_sectors(bdev));  in blk_zone_finish_bio_endio()
1574 	struct block_device *bdev = bio->bi_bdev;  in blk_zone_plug_bio()  local
1576 	if (WARN_ON_ONCE(!bdev->bd_disk->zone_wplugs_hash))  in blk_zone_plug_bio()
1598 		if (!bdev_emulates_zone_append(bdev)) {  in blk_zone_plug_bio()
1734 	struct block_device *bdev;  in blk_zone_wplug_bio_work()  local
1763 	bdev = bio->bi_bdev;  in blk_zone_wplug_bio_work()
1771 	if (bdev_test_flag(bdev, BD_HAS_SUBMIT_BIO)) {  in blk_zone_wplug_bio_work()
1772 		bdev->bd_disk->fops->submit_bio(bio);  in blk_zone_wplug_bio_work()
1773 		blk_queue_exit(bdev->bd_disk->queue);  in blk_zone_wplug_bio_work()
2286 int blk_zone_issue_zeroout(struct block_device *bdev, sector_t sector,  in blk_zone_issue_zeroout()  argument
2289 	struct gendisk *disk = bdev->bd_disk;  in blk_zone_issue_zeroout()
2292 	if (WARN_ON_ONCE(!bdev_is_zoned(bdev)))  in blk_zone_issue_zeroout()
2295 	ret = blkdev_issue_zeroout(bdev, sector, nr_sects, gfp_mask,  in blk_zone_issue_zeroout()
2313 	return blkdev_issue_zeroout(bdev, sector, nr_sects, gfp_mask, 0);  in blk_zone_issue_zeroout()