diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 098a65f3e48b..2d5c30823aab 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -191,14 +191,17 @@ struct gendisk { #ifdef CONFIG_BLK_DEV_ZONED /* * Zoned block device information. 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(). + * protected with blk_queue_enter() / blk_queue_exit() or by holding a + * lock on zone_revalidate_mutex. blk_revalidate_disk_zones() may modify + * this information while no requests are being processed (disk queue + * frozen with blk_mq_freeze_queue()) and while holding a lock on + * zone_revalidate_mutex. */ + struct mutex zone_revalidate_mutex; unsigned int nr_zones; unsigned int zone_capacity; unsigned int last_zone_capacity; - u8 __rcu *zones_cond; + u8 __rcu *zones_state; unsigned int zone_wplugs_hash_bits; atomic_t nr_zone_wplugs; spinlock_t zone_wplugs_hash_lock; @@ -1596,6 +1599,8 @@ struct block_device_operations { /* returns the length of the identifier or a negative errno: */ int (*get_unique_id)(struct gendisk *disk, u8 id[16], enum blk_unique_id id_type); + int (*init_dma_buf_io_ctx)(struct block_device *, + struct dma_buf_io_ctx *); struct module *owner; const struct pr_ops *pr_ops; |