#ifndef _LINUX_DEVICE_MAPPER_H
#define _LINUX_DEVICE_MAPPER_H
-#ifdef __KERNEL__
-
#include <linux/bio.h>
+#include <linux/blkdev.h>
struct dm_target;
struct dm_table;
struct dm_dev;
struct mapped_device;
+struct bio_vec;
typedef enum { STATUSTYPE_INFO, STATUSTYPE_TABLE } status_type_t;
struct file *filp, unsigned int cmd,
unsigned long arg);
+typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm,
+ struct bio_vec *biovec, int max_size);
+
void dm_error(const char *message);
/*
dm_status_fn status;
dm_message_fn message;
dm_ioctl_fn ioctl;
+ dm_merge_fn merge;
};
struct io_restrictions {
*/
int dm_swap_table(struct mapped_device *md, struct dm_table *t);
-/*
- * Prepare a table for a device that will error all I/O.
- * To make it active, call dm_suspend(), dm_swap_table() then dm_resume().
- */
-int dm_create_error_table(struct dm_table **result, struct mapped_device *md);
-
/*-----------------------------------------------------------------
* Macros.
*---------------------------------------------------------------*/
return (n << SECTOR_SHIFT);
}
-#endif /* __KERNEL__ */
#endif /* _LINUX_DEVICE_MAPPER_H */