415 static int log_writes_ctr(struct dm_target *ti, unsigned int argc, char **argv)  in log_writes_ctr()  argument
426 		ti->error = "Invalid argument count";  in log_writes_ctr()
432 		ti->error = "Cannot allocate context";  in log_writes_ctr()
444 	ret = dm_get_device(ti, devname, dm_table_get_mode(ti->table), &lc->dev);  in log_writes_ctr()
446 		ti->error = "Device lookup failed";  in log_writes_ctr()
451 	ret = dm_get_device(ti, logdevname, dm_table_get_mode(ti->table),  in log_writes_ctr()
454 		ti->error = "Log device lookup failed";  in log_writes_ctr()
455 		dm_put_device(ti, lc->dev);  in log_writes_ctr()
462 		ti->error = "Couldn't alloc kthread";  in log_writes_ctr()
463 		dm_put_device(ti, lc->dev);  in log_writes_ctr()
464 		dm_put_device(ti, lc->logdev);  in log_writes_ctr()
474 	ti->num_flush_bios = 1;  in log_writes_ctr()
475 	ti->flush_supported = true;  in log_writes_ctr()
476 	ti->num_discard_bios = 1;  in log_writes_ctr()
477 	ti->discards_supported = true;  in log_writes_ctr()
478 	ti->per_bio_data_size = sizeof(struct per_bio_data);  in log_writes_ctr()
479 	ti->private = lc;  in log_writes_ctr()
514 static void log_writes_dtr(struct dm_target *ti)  in log_writes_dtr()  argument
516 	struct log_writes_c *lc = ti->private;  in log_writes_dtr()
534 	dm_put_device(ti, lc->dev);  in log_writes_dtr()
535 	dm_put_device(ti, lc->logdev);  in log_writes_dtr()
539 static void normal_map_bio(struct dm_target *ti, struct bio *bio)  in normal_map_bio()  argument
541 	struct log_writes_c *lc = ti->private;  in normal_map_bio()
546 static int log_writes_map(struct dm_target *ti, struct bio *bio)  in log_writes_map()  argument
548 	struct log_writes_c *lc = ti->private;  in log_writes_map()
664 	normal_map_bio(ti, bio);  in log_writes_map()
668 static int normal_end_io(struct dm_target *ti, struct bio *bio, int error)  in normal_end_io()  argument
670 	struct log_writes_c *lc = ti->private;  in normal_end_io()
696 static void log_writes_status(struct dm_target *ti, status_type_t type,  in log_writes_status()  argument
701 	struct log_writes_c *lc = ti->private;  in log_writes_status()
717 static int log_writes_prepare_ioctl(struct dm_target *ti,  in log_writes_prepare_ioctl()  argument
720 	struct log_writes_c *lc = ti->private;  in log_writes_prepare_ioctl()
727 	if (ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT)  in log_writes_prepare_ioctl()
732 static int log_writes_iterate_devices(struct dm_target *ti,  in log_writes_iterate_devices()  argument
736 	struct log_writes_c *lc = ti->private;  in log_writes_iterate_devices()
738 	return fn(ti, lc->dev, 0, ti->len, data);  in log_writes_iterate_devices()
745 static int log_writes_message(struct dm_target *ti, unsigned argc, char **argv)  in log_writes_message()  argument
748 	struct log_writes_c *lc = ti->private;  in log_writes_message()
763 static void log_writes_io_hints(struct dm_target *ti, struct queue_limits *limits)  in log_writes_io_hints()  argument
765 	struct log_writes_c *lc = ti->private;  in log_writes_io_hints()