dm dust: report some message results directly back to user
authoryangerkun <yangerkun@huawei.com>
Fri, 19 Jun 2020 21:10:39 +0000 (17:10 -0400)
committerMike Snitzer <snitzer@redhat.com>
Mon, 20 Jul 2020 15:17:34 +0000 (11:17 -0400)
commit4f7f590b152444c1403ece9eeeddd1e8b22ba04e
tree9fd1f97c1aa5fa2d5ae78c3ba9aa959c3f0f4317
parente1fef0b08e06dcce275bd585bc6a900dff395096
dm dust: report some message results directly back to user

Some messages (queryblock, countbadblocks, removebadblock) are best
reported directly to user directly. Do so with DMEMIT.

[Bryan: maintain __func__ output in DMEMIT messages]

Signed-off-by: yangerkun <yangerkun@huawei.com>
Signed-off-by: Bryan Gurney <bgurney@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Documentation/admin-guide/device-mapper/dm-dust.rst
drivers/md/dm-dust.c