*/
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)) {
{
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);
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);
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);
/**
- * blkdev_nr_zones - Get number of zones
- * @disk: Target gendisk
+ * bdev_nr_zones - Get number of zones
+ * @bdev: Target device
*
* Return the total number of zones of a zoned block device. For a block
* device without zone capabilities, the number of zones is always 0.
*/
-unsigned int blkdev_nr_zones(struct gendisk *disk)
+unsigned int bdev_nr_zones(struct block_device *bdev)
{
- sector_t zone_sectors = blk_queue_zone_sectors(disk->queue);
+ sector_t zone_sectors = bdev_zone_sectors(bdev);
- if (!blk_queue_is_zoned(disk->queue))
+ if (!bdev_is_zoned(bdev))
return 0;
- return (get_capacity(disk) + zone_sectors - 1) >> ilog2(zone_sectors);
+ return (bdev_nr_sectors(bdev) + zone_sectors - 1) >>
+ ilog2(zone_sectors);
}
-EXPORT_SYMBOL_GPL(blkdev_nr_zones);
+EXPORT_SYMBOL_GPL(bdev_nr_zones);
/**
* blkdev_report_zones - Get zones information
struct gendisk *disk = bdev->bd_disk;
sector_t capacity = get_capacity(disk);
- if (!blk_queue_is_zoned(bdev_get_queue(bdev)) ||
- WARN_ON_ONCE(!disk->fops->report_zones))
+ if (!bdev_is_zoned(bdev) || WARN_ON_ONCE(!disk->fops->report_zones))
return -EOPNOTSUPP;
if (!nr_zones || sector >= capacity)
static int blkdev_zone_reset_all_emulated(struct block_device *bdev,
gfp_t gfp_mask)
{
- struct request_queue *q = bdev_get_queue(bdev);
- sector_t capacity = get_capacity(bdev->bd_disk);
- sector_t zone_sectors = blk_queue_zone_sectors(q);
+ 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;
struct bio *bio = NULL;
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;
}
* The operation to execute on each zone can be a zone reset, open, close
* or finish request.
*/
-int blkdev_zone_mgmt(struct block_device *bdev, enum req_opf op,
- sector_t sector, sector_t nr_sectors,
- gfp_t gfp_mask)
+int blkdev_zone_mgmt(struct block_device *bdev, enum req_op op,
+ sector_t sector, sector_t nr_sectors, gfp_t gfp_mask)
{
struct request_queue *q = bdev_get_queue(bdev);
- sector_t zone_sectors = blk_queue_zone_sectors(q);
- sector_t capacity = get_capacity(bdev->bd_disk);
+ sector_t zone_sectors = bdev_zone_sectors(bdev);
+ sector_t capacity = bdev_nr_sectors(bdev);
sector_t end_sector = sector + nr_sectors;
struct bio *bio = NULL;
int ret = 0;
- if (!blk_queue_is_zoned(q))
+ if (!bdev_is_zoned(bdev))
return -EOPNOTSUPP;
if (bdev_read_only(bdev))
if (!q)
return -ENXIO;
- if (!blk_queue_is_zoned(q))
+ if (!bdev_is_zoned(bdev))
return -ENOTTY;
if (copy_from_user(&rep, argp, sizeof(struct blk_zone_report)))
void __user *argp = (void __user *)arg;
struct request_queue *q;
struct blk_zone_range zrange;
- enum req_opf op;
+ enum req_op op;
int ret;
if (!argp)
if (!q)
return -ENXIO;
- if (!blk_queue_is_zoned(q))
+ if (!bdev_is_zoned(bdev))
return -ENOTTY;
if (!(mode & FMODE_WRITE))
return ret;
}
-void blk_queue_free_zone_bitmaps(struct request_queue *q)
+void disk_free_zone_bitmaps(struct gendisk *disk)
{
- 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 {
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;
} else {
pr_warn("%s: failed to revalidate zones\n", disk->disk_name);
- blk_queue_free_zone_bitmaps(q);
+ disk_free_zone_bitmaps(disk);
}
blk_mq_unfreeze_queue(q);
}
EXPORT_SYMBOL_GPL(blk_revalidate_disk_zones);
-void blk_queue_clear_zone_settings(struct request_queue *q)
+void disk_clear_zone_settings(struct gendisk *disk)
{
+ struct request_queue *q = disk->queue;
+
blk_mq_freeze_queue(q);
- blk_queue_free_zone_bitmaps(q);
+ 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;
projects / linux-2.6-microblaze.git / blobdiff