md: remove old apis to suspend the array

Now that mddev_suspend() and mddev_resume() is not used anywhere, remove
them, and remove 'MD_ALLOW_SB_UPDATE' and 'MD_UPDATING_SB' as well.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20231010151958.145896-19-yukuai1@huaweicloud.com
This commit is contained in:
Yu Kuai 2023-10-10 23:19:57 +08:00 • committed by Song Liu
commit 4717c02875
2 changed files with 3 additions and 87 deletions