diff options
Diffstat (limited to 'include/linux/device-mapper.h')
| -rw-r--r-- | include/linux/device-mapper.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index e3d1c33d155..03ef41c1eaa 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -55,8 +55,10 @@ typedef int (*dm_endio_fn) (struct dm_target *ti, struct bio *bio, int error, union map_info *map_context); +typedef void (*dm_flush_fn) (struct dm_target *ti); typedef void (*dm_presuspend_fn) (struct dm_target *ti); typedef void (*dm_postsuspend_fn) (struct dm_target *ti); +typedef int (*dm_preresume_fn) (struct dm_target *ti); typedef void (*dm_resume_fn) (struct dm_target *ti); typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type, @@ -64,9 +66,18 @@ typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type, typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv); +typedef int (*dm_ioctl_fn) (struct dm_target *ti, struct inode *inode, + struct file *filp, unsigned int cmd, + unsigned long arg); + void dm_error(const char *message); /* + * Combine device limits. + */ +void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev); + +/* * Constructors should call these functions to ensure destination devices * are opened/closed correctly. * FIXME: too many arguments. @@ -86,11 +97,14 @@ struct target_type { dm_dtr_fn dtr; dm_map_fn map; dm_endio_fn end_io; + dm_flush_fn flush; dm_presuspend_fn presuspend; dm_postsuspend_fn postsuspend; + dm_preresume_fn preresume; dm_resume_fn resume; dm_status_fn status; dm_message_fn message; + dm_ioctl_fn ioctl; }; struct io_restrictions { |