Lines Matching refs:bdev
11 static struct bd_holder_disk *bd_find_holder_disk(struct block_device *bdev,
17 if (holder->holder_dir == bdev->bd_holder_dir)
33 * bd_link_disk_holder - create symlinks between holding disk and slave bdev
34 * @bdev: the claimed slave bdev
41 * - from "slaves" directory of the holder @disk to the claimed @bdev
42 * - from "holders" directory of the @bdev to the holder @disk
50 * The caller must have claimed @bdev before calling this function and
51 * ensure that both @bdev and @disk are valid during the creation and
60 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk)
68 if (bdev->bd_disk == disk)
75 mutex_lock(&bdev->bd_disk->open_mutex);
76 if (!disk_live(bdev->bd_disk)) {
77 mutex_unlock(&bdev->bd_disk->open_mutex);
80 kobject_get(bdev->bd_holder_dir);
81 mutex_unlock(&bdev->bd_disk->open_mutex);
84 WARN_ON_ONCE(!bdev->bd_holder);
86 holder = bd_find_holder_disk(bdev, disk);
88 kobject_put(bdev->bd_holder_dir);
101 holder->holder_dir = bdev->bd_holder_dir;
103 ret = add_symlink(disk->slave_dir, bdev_kobj(bdev));
106 ret = add_symlink(bdev->bd_holder_dir, &disk_to_dev(disk)->kobj);
115 del_symlink(disk->slave_dir, bdev_kobj(bdev));
121 kobject_put(bdev->bd_holder_dir);
128 * @bdev: the calimed slave bdev
136 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk)
144 holder = bd_find_holder_disk(bdev, disk);
146 del_symlink(disk->slave_dir, bdev_kobj(bdev));