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block: move zone related fields to struct gendisk

Browse Source 
Move the zone related fields that are currently stored in
struct request_queue to struct gendisk as these are part of the highlevel
block layer API and are only used for non-passthrough I/O that requires
the gendisk.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220706070350.1703384-17-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-07-06 09:03:50 +02:00 committed by Jens Axboe
parent de71973c29
commit d86e716aa4
10 changed files with 111 additions and 125 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
block/blk-mq-debugfs-zoned.c
View File

@ -11,11 +11,11 @@ int queue_zone_wlock_show(void *data, struct seq_file *m)
struct request_queue *q = data;
unsigned int i;
if (!q->seq_zones_wlock)
if (!q->disk->seq_zones_wlock)
return 0;
for (i = 0; i < q->nr_zones; i++)
if (test_bit(i, q->seq_zones_wlock))
for (i = 0; i < q->disk->nr_zones; i++)
if (test_bit(i, q->disk->seq_zones_wlock))
seq_printf(m, "%u\n", i);
return 0;

2
block/blk-sysfs.c
View File

@ -325,7 +325,7 @@ static ssize_t queue_zoned_show(struct request_queue *q, char *page)
static ssize_t queue_nr_zones_show(struct request_queue *q, char *page)
{
return queue_var_show(blk_queue_nr_zones(q), page);
return queue_var_show(disk_nr_zones(q->disk), page);
}
static ssize_t queue_max_open_zones_show(struct request_queue *q, char *page)

45
block/blk-zoned.c
View File

@ -57,10 +57,10 @@ EXPORT_SYMBOL_GPL(blk_zone_cond_str);
*/
bool blk_req_needs_zone_write_lock(struct request *rq)
{
if (!rq->q->seq_zones_wlock)
if (blk_rq_is_passthrough(rq))
return false;
if (blk_rq_is_passthrough(rq))
if (!rq->q->disk->seq_zones_wlock)
return false;
switch (req_op(rq)) {
@ -77,7 +77,7 @@ 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->seq_zones_wlock))
if (test_and_set_bit(zno, rq->q->disk->seq_zones_wlock))
return false;
WARN_ON_ONCE(rq->rq_flags & RQF_ZONE_WRITE_LOCKED);
@ -90,7 +90,7 @@ 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->seq_zones_wlock)))
rq->q->disk->seq_zones_wlock)))
return;
WARN_ON_ONCE(rq->rq_flags & RQF_ZONE_WRITE_LOCKED);
@ -101,9 +101,9 @@ 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->seq_zones_wlock)
if (rq->q->disk->seq_zones_wlock)
WARN_ON_ONCE(!test_and_clear_bit(blk_rq_zone_no(rq),
rq->q->seq_zones_wlock));
rq->q->disk->seq_zones_wlock));
}
EXPORT_SYMBOL_GPL(__blk_req_zone_write_unlock);
@ -189,7 +189,7 @@ static int blk_zone_need_reset_cb(struct blk_zone *zone, unsigned int idx,
static int blkdev_zone_reset_all_emulated(struct block_device *bdev,
gfp_t gfp_mask)
{
struct request_queue *q = bdev_get_queue(bdev);
struct gendisk *disk = bdev->bd_disk;
sector_t capacity = bdev_nr_sectors(bdev);
sector_t zone_sectors = bdev_zone_sectors(bdev);
unsigned long *need_reset;
@ -197,19 +197,18 @@ static int blkdev_zone_reset_all_emulated(struct block_device *bdev,
sector_t sector = 0;
int ret;
need_reset = blk_alloc_zone_bitmap(q->node, q->nr_zones);
need_reset = blk_alloc_zone_bitmap(disk->queue->node, disk->nr_zones);
if (!need_reset)
return -ENOMEM;
ret = bdev->bd_disk->fops->report_zones(bdev->bd_disk, 0,
q->nr_zones, blk_zone_need_reset_cb,
need_reset);
ret = disk->fops->report_zones(disk, 0, disk->nr_zones,
blk_zone_need_reset_cb, need_reset);
if (ret < 0)
goto out_free_need_reset;
ret = 0;
while (sector < capacity) {
if (!test_bit(blk_queue_zone_no(q, sector), need_reset)) {
if (!test_bit(disk_zone_no(disk, sector), need_reset)) {
sector += zone_sectors;
continue;
}
@ -452,12 +451,10 @@ fail:
void disk_free_zone_bitmaps(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
kfree(q->conv_zones_bitmap);
q->conv_zones_bitmap = NULL;
kfree(q->seq_zones_wlock);
q->seq_zones_wlock = NULL;
kfree(disk->conv_zones_bitmap);
disk->conv_zones_bitmap = NULL;
kfree(disk->seq_zones_wlock);
disk->seq_zones_wlock = NULL;
}
struct blk_revalidate_zone_args {
@ -607,9 +604,9 @@ int blk_revalidate_disk_zones(struct gendisk *disk,
blk_mq_freeze_queue(q);
if (ret > 0) {
blk_queue_chunk_sectors(q, args.zone_sectors);
q->nr_zones = args.nr_zones;
swap(q->seq_zones_wlock, args.seq_zones_wlock);
swap(q->conv_zones_bitmap, args.conv_zones_bitmap);
disk->nr_zones = args.nr_zones;
swap(disk->seq_zones_wlock, args.seq_zones_wlock);
swap(disk->conv_zones_bitmap, args.conv_zones_bitmap);
if (update_driver_data)
update_driver_data(disk);
ret = 0;
@ -634,9 +631,9 @@ void disk_clear_zone_settings(struct gendisk *disk)
disk_free_zone_bitmaps(disk);
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;
disk->nr_zones = 0;
disk->max_open_zones = 0;
disk->max_active_zones = 0;
q->limits.chunk_sectors = 0;
q->limits.zone_write_granularity = 0;
q->limits.max_zone_append_sectors = 0;

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

@ -170,7 +170,7 @@ int null_register_zoned_dev(struct nullb *nullb)
return ret;
} else {
blk_queue_chunk_sectors(q, dev->zone_size_sects);
q->nr_zones = bdev_nr_zones(nullb->disk->part0);
nullb->disk->nr_zones = bdev_nr_zones(nullb->disk->part0);
}
blk_queue_max_zone_append_sectors(q, dev->zone_size_sects);

74
drivers/md/dm-zone.c
View File

@ -139,13 +139,11 @@ bool dm_is_zone_write(struct mapped_device *md, struct bio *bio)
void dm_cleanup_zoned_dev(struct mapped_device *md)
{
struct request_queue *q = md->queue;
if (q) {
kfree(q->conv_zones_bitmap);
q->conv_zones_bitmap = NULL;
kfree(q->seq_zones_wlock);
q->seq_zones_wlock = NULL;
if (md->disk) {
kfree(md->disk->conv_zones_bitmap);
md->disk->conv_zones_bitmap = NULL;
kfree(md->disk->seq_zones_wlock);
md->disk->seq_zones_wlock = NULL;
}
kvfree(md->zwp_offset);
@ -179,31 +177,31 @@ static int dm_zone_revalidate_cb(struct blk_zone *zone, unsigned int idx,
void *data)
{
struct mapped_device *md = data;
struct request_queue *q = md->queue;
struct gendisk *disk = md->disk;
switch (zone->type) {
case BLK_ZONE_TYPE_CONVENTIONAL:
if (!q->conv_zones_bitmap) {
q->conv_zones_bitmap =
kcalloc(BITS_TO_LONGS(q->nr_zones),
if (!disk->conv_zones_bitmap) {
disk->conv_zones_bitmap =
kcalloc(BITS_TO_LONGS(disk->nr_zones),
sizeof(unsigned long), GFP_NOIO);
if (!q->conv_zones_bitmap)
if (!disk->conv_zones_bitmap)
return -ENOMEM;
}
set_bit(idx, q->conv_zones_bitmap);
set_bit(idx, disk->conv_zones_bitmap);
break;
case BLK_ZONE_TYPE_SEQWRITE_REQ:
case BLK_ZONE_TYPE_SEQWRITE_PREF:
if (!q->seq_zones_wlock) {
q->seq_zones_wlock =
kcalloc(BITS_TO_LONGS(q->nr_zones),
if (!disk->seq_zones_wlock) {
disk->seq_zones_wlock =
kcalloc(BITS_TO_LONGS(disk->nr_zones),
sizeof(unsigned long), GFP_NOIO);
if (!q->seq_zones_wlock)
if (!disk->seq_zones_wlock)
return -ENOMEM;
}
if (!md->zwp_offset) {
md->zwp_offset =
kvcalloc(q->nr_zones, sizeof(unsigned int),
kvcalloc(disk->nr_zones, sizeof(unsigned int),
GFP_KERNEL);
if (!md->zwp_offset)
return -ENOMEM;
@ -228,7 +226,7 @@ static int dm_zone_revalidate_cb(struct blk_zone *zone, unsigned int idx,
*/
static int dm_revalidate_zones(struct mapped_device *md, struct dm_table *t)
{
struct request_queue *q = md->queue;
struct gendisk *disk = md->disk;
unsigned int noio_flag;
int ret;
@ -236,7 +234,7 @@ static int dm_revalidate_zones(struct mapped_device *md, struct dm_table *t)
* Check if something changed. If yes, cleanup the current resources
* and reallocate everything.
*/
if (!q->nr_zones || q->nr_zones != md->nr_zones)
if (!disk->nr_zones || disk->nr_zones != md->nr_zones)
dm_cleanup_zoned_dev(md);
if (md->nr_zones)
return 0;
@ -246,17 +244,17 @@ static int dm_revalidate_zones(struct mapped_device *md, struct dm_table *t)
* operations in this context are done as if GFP_NOIO was specified.
*/
noio_flag = memalloc_noio_save();
ret = dm_blk_do_report_zones(md, t, 0, q->nr_zones,
ret = dm_blk_do_report_zones(md, t, 0, disk->nr_zones,
dm_zone_revalidate_cb, md);
memalloc_noio_restore(noio_flag);
if (ret < 0)
goto err;
if (ret != q->nr_zones) {
if (ret != disk->nr_zones) {
ret = -EIO;
goto err;
}
md->nr_zones = q->nr_zones;
md->nr_zones = disk->nr_zones;
return 0;
@ -301,7 +299,7 @@ int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q)
* correct value to be exposed in sysfs queue/nr_zones.
*/
WARN_ON_ONCE(queue_is_mq(q));
q->nr_zones = bdev_nr_zones(md->disk->part0);
md->disk->nr_zones = bdev_nr_zones(md->disk->part0);
/* Check if zone append is natively supported */
if (dm_table_supports_zone_append(t)) {
@ -466,26 +464,26 @@ static blk_status_t dm_zone_map_bio_end(struct mapped_device *md, unsigned int z
}
}
static inline void dm_zone_lock(struct request_queue *q,
unsigned int zno, struct bio *clone)
static inline void dm_zone_lock(struct gendisk *disk, unsigned int zno,
struct bio *clone)
{
if (WARN_ON_ONCE(bio_flagged(clone, BIO_ZONE_WRITE_LOCKED)))
return;
wait_on_bit_lock_io(q->seq_zones_wlock, zno, TASK_UNINTERRUPTIBLE);
wait_on_bit_lock_io(disk->seq_zones_wlock, zno, TASK_UNINTERRUPTIBLE);
bio_set_flag(clone, BIO_ZONE_WRITE_LOCKED);
}
static inline void dm_zone_unlock(struct request_queue *q,
unsigned int zno, struct bio *clone)
static inline void dm_zone_unlock(struct gendisk *disk, unsigned int zno,
struct bio *clone)
{
if (!bio_flagged(clone, BIO_ZONE_WRITE_LOCKED))
return;
WARN_ON_ONCE(!test_bit(zno, q->seq_zones_wlock));
clear_bit_unlock(zno, q->seq_zones_wlock);
WARN_ON_ONCE(!test_bit(zno, disk->seq_zones_wlock));
clear_bit_unlock(zno, disk->seq_zones_wlock);
smp_mb__after_atomic();
wake_up_bit(q->seq_zones_wlock, zno);
wake_up_bit(disk->seq_zones_wlock, zno);
bio_clear_flag(clone, BIO_ZONE_WRITE_LOCKED);
}
@ -520,7 +518,6 @@ int dm_zone_map_bio(struct dm_target_io *tio)
struct dm_io *io = tio->io;
struct dm_target *ti = tio->ti;
struct mapped_device *md = io->md;
struct request_queue *q = md->queue;
struct bio *clone = &tio->clone;
struct orig_bio_details orig_bio_details;
unsigned int zno;
@ -536,7 +533,7 @@ int dm_zone_map_bio(struct dm_target_io *tio)
/* Lock the target zone */
zno = bio_zone_no(clone);
dm_zone_lock(q, zno, clone);
dm_zone_lock(md->disk, zno, clone);
orig_bio_details.nr_sectors = bio_sectors(clone);
orig_bio_details.op = bio_op(clone);
@ -546,7 +543,7 @@ int dm_zone_map_bio(struct dm_target_io *tio)
* both valid, and if the bio is a zone append, remap it to a write.
*/
if (!dm_zone_map_bio_begin(md, zno, clone)) {
dm_zone_unlock(q, zno, clone);
dm_zone_unlock(md->disk, zno, clone);
return DM_MAPIO_KILL;
}
@ -570,12 +567,12 @@ int dm_zone_map_bio(struct dm_target_io *tio)
sts = dm_zone_map_bio_end(md, zno, &orig_bio_details,
*tio->len_ptr);
if (sts != BLK_STS_OK)
dm_zone_unlock(q, zno, clone);
dm_zone_unlock(md->disk, zno, clone);
break;
case DM_MAPIO_REQUEUE:
case DM_MAPIO_KILL:
default:
dm_zone_unlock(q, zno, clone);
dm_zone_unlock(md->disk, zno, clone);
sts = BLK_STS_IOERR;
break;
}
@ -592,7 +589,6 @@ int dm_zone_map_bio(struct dm_target_io *tio)
void dm_zone_endio(struct dm_io *io, struct bio *clone)
{
struct mapped_device *md = io->md;
struct request_queue *q = md->queue;
struct gendisk *disk = md->disk;
struct bio *orig_bio = io->orig_bio;
unsigned int zwp_offset;
@ -651,5 +647,5 @@ void dm_zone_endio(struct dm_io *io, struct bio *clone)
zwp_offset - bio_sectors(orig_bio);
}
dm_zone_unlock(q, zno, clone);
dm_zone_unlock(disk, zno, clone);
}

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

@ -830,7 +830,7 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id)
ns->head->disk->queue);
#ifdef CONFIG_BLK_DEV_ZONED
if (blk_queue_is_zoned(ns->queue) && ns->head->disk)
ns->head->disk->queue->nr_zones = ns->queue->nr_zones;
ns->head->disk->nr_zones = ns->disk->nr_zones;
#endif
}

4
drivers/nvme/target/zns.c
View File

@ -57,7 +57,7 @@ bool nvmet_bdev_zns_enable(struct nvmet_ns *ns)
* zones, reject the device. Otherwise, use report zones to detect if
* the device has conventional zones.
*/
if (ns->bdev->bd_disk->queue->conv_zones_bitmap)
if (ns->bdev->bd_disk->conv_zones_bitmap)
return false;
ret = blkdev_report_zones(ns->bdev, 0, bdev_nr_zones(ns->bdev),
@ -414,7 +414,7 @@ static u16 nvmet_bdev_zone_mgmt_emulate_all(struct nvmet_req *req)
}
while (sector < bdev_nr_sectors(bdev)) {
if (test_bit(blk_queue_zone_no(q, sector), d.zbitmap)) {
if (test_bit(disk_zone_no(bdev->bd_disk, sector), d.zbitmap)) {
bio = blk_next_bio(bio, bdev, 0,
zsa_req_op(req->cmd->zms.zsa) | REQ_SYNC,
GFP_KERNEL);

2
drivers/scsi/sd_zbc.c
View File

@ -855,7 +855,7 @@ int sd_zbc_revalidate_zones(struct scsi_disk *sdkp)
if (sdkp->zone_info.zone_blocks == zone_blocks &&
sdkp->zone_info.nr_zones == nr_zones &&
disk->queue->nr_zones == nr_zones)
disk->nr_zones == nr_zones)
goto unlock;
flags = memalloc_noio_save();

8
include/linux/blk-mq.h
View File

@ -1129,12 +1129,12 @@ void blk_dump_rq_flags(struct request *, char *);
#ifdef CONFIG_BLK_DEV_ZONED
static inline unsigned int blk_rq_zone_no(struct request *rq)
{
return blk_queue_zone_no(rq->q, blk_rq_pos(rq));
return disk_zone_no(rq->q->disk, blk_rq_pos(rq));
}
static inline unsigned int blk_rq_zone_is_seq(struct request *rq)
{
return blk_queue_zone_is_seq(rq->q, blk_rq_pos(rq));
return disk_zone_is_seq(rq->q->disk, blk_rq_pos(rq));
}
bool blk_req_needs_zone_write_lock(struct request *rq);
@ -1156,8 +1156,8 @@ static inline void blk_req_zone_write_unlock(struct request *rq)
static inline bool blk_req_zone_is_write_locked(struct request *rq)
{
return rq->q->seq_zones_wlock &&
test_bit(blk_rq_zone_no(rq), rq->q->seq_zones_wlock);
return rq->q->disk->seq_zones_wlock &&
test_bit(blk_rq_zone_no(rq), rq->q->disk->seq_zones_wlock);
}
static inline bool blk_req_can_dispatch_to_zone(struct request *rq)

91
include/linux/blkdev.h
View File

@ -164,6 +164,29 @@ struct gendisk {
#ifdef CONFIG_BLK_DEV_INTEGRITY
struct kobject integrity_kobj;
#endif /* CONFIG_BLK_DEV_INTEGRITY */
#ifdef CONFIG_BLK_DEV_ZONED
/*
* Zoned block device information for request dispatch control.
* nr_zones is the total number of zones of the device. This is always
* 0 for regular block devices. conv_zones_bitmap is a bitmap of nr_zones
* bits which indicates if a zone is conventional (bit set) or
* sequential (bit clear). seq_zones_wlock is a bitmap of nr_zones
* bits which indicates if a zone is write locked, that is, if a write
* request targeting the zone was dispatched.
*
* Reads of this information must be protected with blk_queue_enter() /
* blk_queue_exit(). Modifying this information is only allowed while
* no requests are being processed. See also blk_mq_freeze_queue() and
* blk_mq_unfreeze_queue().
*/
unsigned int nr_zones;
unsigned int max_open_zones;
unsigned int max_active_zones;
unsigned long *conv_zones_bitmap;
unsigned long *seq_zones_wlock;
#endif /* CONFIG_BLK_DEV_ZONED */
#if IS_ENABLED(CONFIG_CDROM)
struct cdrom_device_info *cdi;
#endif
@ -467,31 +490,6 @@ struct request_queue {
unsigned int required_elevator_features;
#ifdef CONFIG_BLK_DEV_ZONED
/*
* Zoned block device information for request dispatch control.
* nr_zones is the total number of zones of the device. This is always
* 0 for regular block devices. conv_zones_bitmap is a bitmap of nr_zones
* bits which indicates if a zone is conventional (bit set) or
* sequential (bit clear). seq_zones_wlock is a bitmap of nr_zones
* bits which indicates if a zone is write locked, that is, if a write
* request targeting the zone was dispatched. All three fields are
* initialized by the low level device driver (e.g. scsi/sd.c).
* Stacking drivers (device mappers) may or may not initialize
* these fields.
*
* Reads of this information must be protected with blk_queue_enter() /
* blk_queue_exit(). Modifying this information is only allowed while
* no requests are being processed. See also blk_mq_freeze_queue() and
* blk_mq_unfreeze_queue().
*/
unsigned int nr_zones;
unsigned long *conv_zones_bitmap;
unsigned long *seq_zones_wlock;
unsigned int max_open_zones;
unsigned int max_active_zones;
#endif /* CONFIG_BLK_DEV_ZONED */
int node;
#ifdef CONFIG_BLK_DEV_IO_TRACE
struct blk_trace __rcu *blk_trace;
@ -668,63 +666,59 @@ static inline bool blk_queue_is_zoned(struct request_queue *q)
}
#ifdef CONFIG_BLK_DEV_ZONED
static inline unsigned int blk_queue_nr_zones(struct request_queue *q)
static inline unsigned int disk_nr_zones(struct gendisk *disk)
{
return blk_queue_is_zoned(q) ? q->nr_zones : 0;
return blk_queue_is_zoned(disk->queue) ? disk->nr_zones : 0;
}
static inline unsigned int blk_queue_zone_no(struct request_queue *q,
sector_t sector)
static inline unsigned int disk_zone_no(struct gendisk *disk, sector_t sector)
{
if (!blk_queue_is_zoned(q))
if (!blk_queue_is_zoned(disk->queue))
return 0;
return sector >> ilog2(q->limits.chunk_sectors);
return sector >> ilog2(disk->queue->limits.chunk_sectors);
}
static inline bool blk_queue_zone_is_seq(struct request_queue *q,
sector_t sector)
static inline bool disk_zone_is_seq(struct gendisk *disk, sector_t sector)
{
if (!blk_queue_is_zoned(q))
if (!blk_queue_is_zoned(disk->queue))
return false;
if (!q->conv_zones_bitmap)
if (!disk->conv_zones_bitmap)
return true;
return !test_bit(blk_queue_zone_no(q, sector), q->conv_zones_bitmap);
return !test_bit(disk_zone_no(disk, sector), disk->conv_zones_bitmap);
}
static inline void disk_set_max_open_zones(struct gendisk *disk,
unsigned int max_open_zones)
{
disk->queue->max_open_zones = max_open_zones;
disk->max_open_zones = max_open_zones;
}
static inline void disk_set_max_active_zones(struct gendisk *disk,
unsigned int max_active_zones)
{
disk->queue->max_active_zones = max_active_zones;
disk->max_active_zones = max_active_zones;
}
static inline unsigned int bdev_max_open_zones(struct block_device *bdev)
{
return bdev->bd_disk->queue->max_open_zones;
return bdev->bd_disk->max_open_zones;
}
static inline unsigned int bdev_max_active_zones(struct block_device *bdev)
{
return bdev->bd_disk->queue->max_active_zones;
return bdev->bd_disk->max_active_zones;
}
#else /* CONFIG_BLK_DEV_ZONED */
static inline unsigned int blk_queue_nr_zones(struct request_queue *q)
static inline unsigned int disk_nr_zones(struct gendisk *disk)
{
return 0;
}
static inline bool blk_queue_zone_is_seq(struct request_queue *q,
sector_t sector)
static inline bool disk_zone_is_seq(struct gendisk *disk, sector_t sector)
{
return false;
}
static inline unsigned int blk_queue_zone_no(struct request_queue *q,
sector_t sector)
static inline unsigned int disk_zone_no(struct gendisk *disk, sector_t sector)
{
return 0;
}
@ -732,6 +726,7 @@ static inline unsigned int bdev_max_open_zones(struct block_device *bdev)
{
return 0;
}
static inline unsigned int bdev_max_active_zones(struct block_device *bdev)
{
return 0;
@ -900,14 +895,12 @@ const char *blk_zone_cond_str(enum blk_zone_cond zone_cond);
static inline unsigned int bio_zone_no(struct bio *bio)
{
return blk_queue_zone_no(bdev_get_queue(bio->bi_bdev),
bio->bi_iter.bi_sector);
return disk_zone_no(bio->bi_bdev->bd_disk, bio->bi_iter.bi_sector);
}
static inline unsigned int bio_zone_is_seq(struct bio *bio)
{
return blk_queue_zone_is_seq(bdev_get_queue(bio->bi_bdev),
bio->bi_iter.bi_sector);
return disk_zone_is_seq(bio->bi_bdev->bd_disk, bio->bi_iter.bi_sector);
}
/*