diff options
Diffstat (limited to 'drivers/md/dm.h')
-rw-r--r-- | drivers/md/dm.h | 75 |
1 files changed, 1 insertions, 74 deletions
diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 2901ab94319..71ddd1e2300 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -39,88 +39,16 @@ struct dm_dev { }; struct dm_table; -struct mapped_device; /*----------------------------------------------------------------- - * Functions for manipulating a struct mapped_device. - * Drop the reference with dm_put when you finish with the object. + * Internal table functions. *---------------------------------------------------------------*/ - -/* - * DM_ANY_MINOR allocates any available minor number. - */ -#define DM_ANY_MINOR (-1) -int dm_create(int minor, struct mapped_device **md); - -void dm_set_mdptr(struct mapped_device *md, void *ptr); -void *dm_get_mdptr(struct mapped_device *md); - -/* - * Reference counting for md. - */ -void dm_get(struct mapped_device *md); -struct mapped_device *dm_get_md(dev_t dev); -void dm_put(struct mapped_device *md); - -/* - * A device can still be used while suspended, but I/O is deferred. - */ -int dm_suspend(struct mapped_device *md, int with_lockfs); -int dm_resume(struct mapped_device *md); - -/* - * The device must be suspended before calling this method. - */ -int dm_swap_table(struct mapped_device *md, struct dm_table *t); - -/* - * Drop a reference on the table when you've finished with the - * result. - */ -struct dm_table *dm_get_table(struct mapped_device *md); - -/* - * Event functions. - */ -uint32_t dm_get_event_nr(struct mapped_device *md); -int dm_wait_event(struct mapped_device *md, int event_nr); - -/* - * Info functions. - */ -struct gendisk *dm_disk(struct mapped_device *md); -int dm_suspended(struct mapped_device *md); - -/* - * Geometry functions. - */ -int dm_get_geometry(struct mapped_device *md, struct hd_geometry *geo); -int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo); - -/*----------------------------------------------------------------- - * Functions for manipulating a table. Tables are also reference - * counted. - *---------------------------------------------------------------*/ -int dm_table_create(struct dm_table **result, int mode, - unsigned num_targets, struct mapped_device *md); - -void dm_table_get(struct dm_table *t); -void dm_table_put(struct dm_table *t); - -int dm_table_add_target(struct dm_table *t, const char *type, - sector_t start, sector_t len, char *params); -int dm_table_complete(struct dm_table *t); void dm_table_event_callback(struct dm_table *t, void (*fn)(void *), void *context); -void dm_table_event(struct dm_table *t); -sector_t dm_table_get_size(struct dm_table *t); struct dm_target *dm_table_get_target(struct dm_table *t, unsigned int index); struct dm_target *dm_table_find_target(struct dm_table *t, sector_t sector); void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q); -unsigned int dm_table_get_num_targets(struct dm_table *t); struct list_head *dm_table_get_devices(struct dm_table *t); -int dm_table_get_mode(struct dm_table *t); -struct mapped_device *dm_table_get_md(struct dm_table *t); void dm_table_presuspend_targets(struct dm_table *t); void dm_table_postsuspend_targets(struct dm_table *t); void dm_table_resume_targets(struct dm_table *t); @@ -138,7 +66,6 @@ void dm_put_target_type(struct target_type *t); int dm_target_iterate(void (*iter_func)(struct target_type *tt, void *param), void *param); - /*----------------------------------------------------------------- * Useful inlines. *---------------------------------------------------------------*/ |