418 static int log_writes_ctr(struct dm_target *ti, unsigned int argc, char **argv)  in log_writes_ctr()  argument
428 		ti->error = "Invalid argument count";  in log_writes_ctr()
434 		ti->error = "Cannot allocate context";  in log_writes_ctr()
446 	if (dm_get_device(ti, devname, dm_table_get_mode(ti->table), &lc->dev)) {  in log_writes_ctr()
447 		ti->error = "Device lookup failed";  in log_writes_ctr()
452 	if (dm_get_device(ti, logdevname, dm_table_get_mode(ti->table), &lc->logdev)) {  in log_writes_ctr()
453 		ti->error = "Log device lookup failed";  in log_writes_ctr()
454 		dm_put_device(ti, lc->dev);  in log_writes_ctr()
460 		ti->error = "Couldn't alloc kthread";  in log_writes_ctr()
461 		dm_put_device(ti, lc->dev);  in log_writes_ctr()
462 		dm_put_device(ti, lc->logdev);  in log_writes_ctr()
472 	ti->num_flush_bios = 1;  in log_writes_ctr()
473 	ti->flush_supported = true;  in log_writes_ctr()
474 	ti->num_discard_bios = 1;  in log_writes_ctr()
475 	ti->discards_supported = true;  in log_writes_ctr()
476 	ti->per_bio_data_size = sizeof(struct per_bio_data);  in log_writes_ctr()
477 	ti->private = lc;  in log_writes_ctr()
512 static void log_writes_dtr(struct dm_target *ti)  in log_writes_dtr()  argument
514 	struct log_writes_c *lc = ti->private;  in log_writes_dtr()
532 	dm_put_device(ti, lc->dev);  in log_writes_dtr()
533 	dm_put_device(ti, lc->logdev);  in log_writes_dtr()
537 static void normal_map_bio(struct dm_target *ti, struct bio *bio)  in normal_map_bio()  argument
539 	struct log_writes_c *lc = ti->private;  in normal_map_bio()
544 static int log_writes_map(struct dm_target *ti, struct bio *bio)  in log_writes_map()  argument
546 	struct log_writes_c *lc = ti->private;  in log_writes_map()
662 	normal_map_bio(ti, bio);  in log_writes_map()
666 static int normal_end_io(struct dm_target *ti, struct bio *bio, int error)  in normal_end_io()  argument
668 	struct log_writes_c *lc = ti->private;  in normal_end_io()
694 static void log_writes_status(struct dm_target *ti, status_type_t type,  in log_writes_status()  argument
699 	struct log_writes_c *lc = ti->private;  in log_writes_status()
715 static int log_writes_ioctl(struct dm_target *ti, unsigned int cmd,  in log_writes_ioctl()  argument
718 	struct log_writes_c *lc = ti->private;  in log_writes_ioctl()
725 	if (ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT)  in log_writes_ioctl()
731 static int log_writes_merge(struct dm_target *ti, struct bvec_merge_data *bvm,  in log_writes_merge()  argument
734 	struct log_writes_c *lc = ti->private;  in log_writes_merge()
741 	bvm->bi_sector = dm_target_offset(ti, bvm->bi_sector);  in log_writes_merge()
746 static int log_writes_iterate_devices(struct dm_target *ti,  in log_writes_iterate_devices()  argument
750 	struct log_writes_c *lc = ti->private;  in log_writes_iterate_devices()
752 	return fn(ti, lc->dev, 0, ti->len, data);  in log_writes_iterate_devices()
759 static int log_writes_message(struct dm_target *ti, unsigned argc, char **argv)  in log_writes_message()  argument
762 	struct log_writes_c *lc = ti->private;  in log_writes_message()
777 static void log_writes_io_hints(struct dm_target *ti, struct queue_limits *limits)  in log_writes_io_hints()  argument
779 	struct log_writes_c *lc = ti->private;  in log_writes_io_hints()