ext4: Convert to bdev_open_by_dev()

mainline inclusion
from mainline-v6.7-rc1
commit d577c8aaed2035fb7bcc970058a9d8c46c26fcaa
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=d577c8aaed2035fb7bcc970058a9d8c46c26fcaa



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Convert ext4 to use bdev_open_by_dev() and pass the handle around.

CC: linux-ext4@vger.kernel.org
CC: Ted Tso <tytso@mit.edu>
Acked-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230927093442.25915-22-jack@suse.cz


Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>