mainline inclusion
from mainline-5.10-rc1
commit 0a846f49
category: bugfix
bugzilla: 51832
CVE: NA
---------------------------

We have already remove open codes that invoke helpers provide by
fs/buffer.c in all places reading metadata buffers. This patch switch to
use ext4_sb_bread() to replace all sb_bread() helpers, which is
ext4_read_bh() helper back end.
Signed-off-by: Nzhangyi (F) <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/20200924073337.861472-7-yi.zhang@huawei.comSigned-off-by: NTheodore Ts'o <tytso@mit.edu>
Signed-off-by: Nyangerkun <yangerkun@huawei.com>
Reviewed-by: Nzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>