28 static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)  in linear_ctr()  argument
36 		ti->error = "Invalid argument count";  in linear_ctr()
42 		ti->error = "Cannot allocate linear context";  in linear_ctr()
48 		ti->error = "Invalid device sector";  in linear_ctr()
53 	ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table), &lc->dev);  in linear_ctr()
55 		ti->error = "Device lookup failed";  in linear_ctr()
59 	ti->num_flush_bios = 1;  in linear_ctr()
60 	ti->num_discard_bios = 1;  in linear_ctr()
61 	ti->num_write_same_bios = 1;  in linear_ctr()
62 	ti->private = lc;  in linear_ctr()
70 static void linear_dtr(struct dm_target *ti)  in linear_dtr()  argument
72 	struct linear_c *lc = (struct linear_c *) ti->private;  in linear_dtr()
74 	dm_put_device(ti, lc->dev);  in linear_dtr()
78 static sector_t linear_map_sector(struct dm_target *ti, sector_t bi_sector)  in linear_map_sector()  argument
80 	struct linear_c *lc = ti->private;  in linear_map_sector()
82 	return lc->start + dm_target_offset(ti, bi_sector);  in linear_map_sector()
85 static void linear_map_bio(struct dm_target *ti, struct bio *bio)  in linear_map_bio()  argument
87 	struct linear_c *lc = ti->private;  in linear_map_bio()
92 			linear_map_sector(ti, bio->bi_iter.bi_sector);  in linear_map_bio()
95 static int linear_map(struct dm_target *ti, struct bio *bio)  in linear_map()  argument
97 	linear_map_bio(ti, bio);  in linear_map()
102 static void linear_status(struct dm_target *ti, status_type_t type,  in linear_status()  argument
105 	struct linear_c *lc = (struct linear_c *) ti->private;  in linear_status()
119 static int linear_prepare_ioctl(struct dm_target *ti,  in linear_prepare_ioctl()  argument
122 	struct linear_c *lc = (struct linear_c *) ti->private;  in linear_prepare_ioctl()
131 	    ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT)  in linear_prepare_ioctl()
136 static int linear_iterate_devices(struct dm_target *ti,  in linear_iterate_devices()  argument
139 	struct linear_c *lc = ti->private;  in linear_iterate_devices()
141 	return fn(ti, lc->dev, lc->start, ti->len, data);  in linear_iterate_devices()