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path: root/Documentation/admin-guide/device-mapper/dm-dust.rst
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2020-07-20dm dust: add interface to list all badblocksyangerkun
This interface may help anyone who want to know all badblocks without querying for each block. [Bryan: DMEMIT message if no blocks are in the bad block list.] Signed-off-by: yangerkun <yangerkun@huawei.com> Signed-off-by: Bryan Gurney <bgurney@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2020-07-20dm dust: report some message results directly back to useryangerkun
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>
2019-10-10dm dust: convert documentation to ReSTBryan Gurney
Convert the dm-dust documentation to ReST formatting, using literal blocks for all of the shell command, shell output, and log output examples. Add dm-dust to index.rst. Additionally, fix an annotation in the "querying for specific bad blocks" section, on the "queryblock ... not found in badblocklist" example, to properly state that the message appears when a given block is not found. Signed-off-by: Bryan Gurney <bgurney@redhat.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>