From: yangerkun
Once there is a heavy IO load, so many encrypt/decrypt work will occupy
all of the cpu, which may lead the poor performance for other service.
So the idea like 'a2b8b2d97567 ("dm crypt: export sysfs of kcryptd
workqueue")' said seems necessary. We can export "kcryptd" workqueue
On Tue, Feb 28, 2023 at 05:06:55PM -0700, Uday Shankar wrote:
> The block layer might merge together discard requests up until the
> max_discard_segments limit is hit, but blk_insert_cloned_request checks
> the segment count against max_segments regardless of the req op. This
> can result in
The block layer might merge together discard requests up until the
max_discard_segments limit is hit, but blk_insert_cloned_request checks
the segment count against max_segments regardless of the req op. This
can result in errors like the following when discards are issued through
a DM device and
