diff options
Diffstat (limited to 'include/linux/device-mapper.h')
| -rw-r--r-- | include/linux/device-mapper.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 0d6310657f3..df7607e6dce 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -84,13 +84,16 @@ typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm, typedef int (*iterate_devices_callout_fn) (struct dm_target *ti, struct dm_dev *dev, - sector_t physical_start, + sector_t start, sector_t len, void *data); typedef int (*dm_iterate_devices_fn) (struct dm_target *ti, iterate_devices_callout_fn fn, void *data); +typedef void (*dm_io_hints_fn) (struct dm_target *ti, + struct queue_limits *limits); + /* * Returns: * 0: The target can handle the next I/O immediately. @@ -104,7 +107,7 @@ void dm_error(const char *message); * Combine device limits. */ int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev, - sector_t start, void *data); + sector_t start, sector_t len, void *data); struct dm_dev { struct block_device *bdev; @@ -151,6 +154,7 @@ struct target_type { dm_merge_fn merge; dm_busy_fn busy; dm_iterate_devices_fn iterate_devices; + dm_io_hints_fn io_hints; /* For internal device-mapper use. */ struct list_head list; |