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block: simplify disk_set_zoned

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Only use disk_set_zoned to actually enable zoned device support.
For clearing it, call disk_clear_zoned, which is renamed from
disk_clear_zone_settings and now directly clears the zoned flag as
well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20231217165359.604246-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-12-17 17:53:58 +01:00 committed by Jens Axboe
parent 7437bb73f0
commit d73e93b4df
9 changed files with 23 additions and 30 deletions
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30
block/blk-settings.c
View File

@ -881,31 +881,21 @@ bool blk_queue_can_use_dma_map_merging(struct request_queue *q,
EXPORT_SYMBOL_GPL(blk_queue_can_use_dma_map_merging);
/**
* disk_set_zoned - configure the zoned model for a disk
* @disk: the gendisk of the queue to configure
* @zoned: zoned or not.
*
* When @zoned is %true, this should be called only if zoned block device
* support is enabled (CONFIG_BLK_DEV_ZONED option).
* disk_set_zoned - inidicate a zoned device
* @disk: gendisk to configure
*/
void disk_set_zoned(struct gendisk *disk, bool zoned)
void disk_set_zoned(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
if (zoned) {
WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED));
WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED));
/*
* Set the zone write granularity to the device logical block
* size by default. The driver can change this value if needed.
*/
q->limits.zoned = true;
blk_queue_zone_write_granularity(q,
queue_logical_block_size(q));
} else if (q->limits.zoned) {
q->limits.zoned = false;
disk_clear_zone_settings(disk);
}
/*
* Set the zone write granularity to the device logical block
* size by default. The driver can change this value if needed.
*/
q->limits.zoned = true;
blk_queue_zone_write_granularity(q, queue_logical_block_size(q));
}
EXPORT_SYMBOL_GPL(disk_set_zoned);

3
block/blk-zoned.c
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@ -616,12 +616,13 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
}
EXPORT_SYMBOL_GPL(blk_revalidate_disk_zones);
void disk_clear_zone_settings(struct gendisk *disk)
void disk_clear_zoned(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
blk_mq_freeze_queue(q);
q->limits.zoned = false;
disk_free_zone_bitmaps(disk);
blk_queue_flag_clear(QUEUE_FLAG_ZONE_RESETALL, q);
q->required_elevator_features &= ~ELEVATOR_F_ZBD_SEQ_WRITE;

2
block/blk.h
View File

@ -395,14 +395,12 @@ static inline struct bio *blk_queue_bounce(struct bio *bio,
#ifdef CONFIG_BLK_DEV_ZONED
void disk_free_zone_bitmaps(struct gendisk *disk);
void disk_clear_zone_settings(struct gendisk *disk);
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_clear_zone_settings(struct gendisk *disk) {}
static inline int blkdev_report_zones_ioctl(struct block_device *bdev,
unsigned int cmd, unsigned long arg)
{

2
drivers/block/null_blk/zoned.c
View File

@ -159,7 +159,7 @@ int null_register_zoned_dev(struct nullb *nullb)
struct nullb_device *dev = nullb->dev;
struct request_queue *q = nullb->q;
disk_set_zoned(nullb->disk, true);
disk_set_zoned(nullb->disk);
blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
blk_queue_required_elevator_features(q, ELEVATOR_F_ZBD_SEQ_WRITE);
blk_queue_chunk_sectors(q, dev->zone_size_sects);

2
drivers/block/ublk_drv.c
View File

@ -250,7 +250,7 @@ static int ublk_dev_param_zoned_apply(struct ublk_device *ub)
{
const struct ublk_param_zoned *p = &ub->params.zoned;
disk_set_zoned(ub->ub_disk, true);
disk_set_zoned(ub->ub_disk);
blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, ub->ub_disk->queue);
blk_queue_required_elevator_features(ub->ub_disk->queue,
ELEVATOR_F_ZBD_SEQ_WRITE);

2
drivers/block/virtio_blk.c
View File

@ -730,7 +730,7 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev,
dev_dbg(&vdev->dev, "probing host-managed zoned device\n");
disk_set_zoned(vblk->disk, true);
disk_set_zoned(vblk->disk);
blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
virtio_cread(vdev, struct virtio_blk_config,

2
drivers/nvme/host/zns.c
View File

@ -108,7 +108,7 @@ int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf)
goto free_data;
}
disk_set_zoned(ns->disk, true);
disk_set_zoned(ns->disk);
blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
disk_set_max_open_zones(ns->disk, le32_to_cpu(id->mor) + 1);
disk_set_max_active_zones(ns->disk, le32_to_cpu(id->mar) + 1);

7
drivers/scsi/sd.c
View File

@ -3135,11 +3135,13 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, q);
}
#ifdef CONFIG_BLK_DEV_ZONED /* sd_probe rejects ZBD devices early otherwise */
if (sdkp->device->type == TYPE_ZBC) {
/*
* Host-managed.
*/
disk_set_zoned(sdkp->disk, true);
disk_set_zoned(sdkp->disk);
/*
* Per ZBC and ZAC specifications, writes in sequential write
@ -3152,8 +3154,9 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
* Anything else. This includes host-aware device that we treat
* as conventional.
*/
disk_set_zoned(sdkp->disk, false);
disk_clear_zoned(sdkp->disk);
}
#endif /* CONFIG_BLK_DEV_ZONED */
if (!sdkp->first_scan)
return;

3
include/linux/blkdev.h
View File

@ -317,7 +317,8 @@ struct queue_limits {
typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
void *data);
void disk_set_zoned(struct gendisk *disk, bool zoned);
void disk_set_zoned(struct gendisk *disk);
void disk_clear_zoned(struct gendisk *disk);
#define BLK_ALL_ZONES ((unsigned int)-1)
int blkdev_report_zones(struct block_device *bdev, sector_t sector,