mainline inclusion
from v5.16-rc1
commit 1b86db5f
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I59A5L?from=project-issue
CVE: N/A

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

coccicheck complains about the use of snprintf() in sysfs show functions.

Fix the following coccicheck warning:
drivers/md/bcache/sysfs.h:54:12-20: WARNING: use scnprintf or sprintf.

Implement sysfs_print() by sysfs_emit() and remove snprint() since no one
uses it any more.
Suggested-by: NColy Li <colyli@suse.de>
Signed-off-by: NQing Wang <wangqing@vivo.com>
Signed-off-by: NColy Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20211029060930.119923-3-colyli@suse.deSigned-off-by: NJens Axboe <axboe@kernel.dk>
Reviewed-by: NJason Yan <yanaijie@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>