scsi: target: Convert to bdev_open_by_path()

mainline inclusion
from mainline-v6.7-rc1
commit e6aafdc8a76bd70ccc9ca8724d09fefba089c3e7
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8KPBR
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.7-rc3&id=e6aafdc8a76bd70ccc9ca8724d09fefba089c3e7



-------------------------------------------

Convert iblock and pscsi drivers to use bdev_open_by_path() and pass the
handle around.

CC: target-devel@vger.kernel.org
CC: linux-scsi@vger.kernel.org
Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230927093442.25915-15-jack@suse.cz


Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>