Since we support the listbadblocks command, introduce the detail in the
doc.
Signed-off-by: yangerkun <yangerkun@xxxxxxxxxx>
---
.../admin-guide/device-mapper/dm-dust.rst | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/Documentation/admin-guide/device-mapper/dm-dust.rst b/Documentation/admin-guide/device-mapper/dm-dust.rst
index b6e7e7ead831..185b3ce6298b 100644
--- a/Documentation/admin-guide/device-mapper/dm-dust.rst
+++ b/Documentation/admin-guide/device-mapper/dm-dust.rst
@@ -205,6 +205,21 @@ appear::
kernel: device-mapper: dust: clearbadblocks: no badblocks found
+Listling the bad block list
+---------------------------
+
+To list all bad block list, run the following message command::
+
+ $ sudo dmsetup message dust1 0 listbadblocks
+
+We will get following message(image that we have insert block 1/2, and
+we will list the block index in order)::
+
+ device-mapper: dust: dust_list_badblocks: badblocks list as below:
+ device-mapper: dust: bad block: 1
+ device-mapper: dust: bad block: 2
+ device-mapper: dust: dust_list_badblocks: badblocks list end.
+
Message commands list
---------------------
@@ -223,6 +238,7 @@ Single argument message commands::
countbadblocks
clearbadblocks
+ listbadblocks
disable
enable
quiet
--
2.25.4
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