diff options
Diffstat (limited to 'drivers/md/dm.h')
-rw-r--r-- | drivers/md/dm.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 39c243258e24..742d9c80efe1 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -45,6 +45,8 @@ struct dm_dev_internal { struct dm_table; struct dm_md_mempools; +struct dm_target_io; +struct dm_io; /*----------------------------------------------------------------- * Internal table functions. @@ -56,8 +58,8 @@ struct dm_target *dm_table_find_target(struct dm_table *t, sector_t sector); bool dm_table_has_no_data_devices(struct dm_table *table); int dm_calculate_queue_limits(struct dm_table *table, struct queue_limits *limits); -void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, - struct queue_limits *limits); +int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, + struct queue_limits *limits); struct list_head *dm_table_get_devices(struct dm_table *t); void dm_table_presuspend_targets(struct dm_table *t); void dm_table_presuspend_undo_targets(struct dm_table *t); @@ -103,17 +105,25 @@ int dm_setup_md_queue(struct mapped_device *md, struct dm_table *t); /* * Zoned targets related functions. */ -void dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q); +int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q); +void dm_zone_endio(struct dm_io *io, struct bio *clone); #ifdef CONFIG_BLK_DEV_ZONED +void dm_cleanup_zoned_dev(struct mapped_device *md); int dm_blk_report_zones(struct gendisk *disk, sector_t sector, unsigned int nr_zones, report_zones_cb cb, void *data); bool dm_is_zone_write(struct mapped_device *md, struct bio *bio); +int dm_zone_map_bio(struct dm_target_io *io); #else +static inline void dm_cleanup_zoned_dev(struct mapped_device *md) {} #define dm_blk_report_zones NULL static inline bool dm_is_zone_write(struct mapped_device *md, struct bio *bio) { return false; } +static inline int dm_zone_map_bio(struct dm_target_io *tio) +{ + return DM_MAPIO_KILL; +} #endif /*----------------------------------------------------------------- |