[dm-devel] [PATCH v3 2/4] dm dust: update doc after message results report to user directly
yangerkun
yangerkun at huawei.com
Fri Jun 19 12:38:01 UTC 2020
Since some type of message will report the results to user directly,
we should update the doc too.
Signed-off-by: yangerkun <yangerkun at huawei.com>
---
.../admin-guide/device-mapper/dm-dust.rst | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/Documentation/admin-guide/device-mapper/dm-dust.rst b/Documentation/admin-guide/device-mapper/dm-dust.rst
index b6e7e7ead831..84149c08b68f 100644
--- a/Documentation/admin-guide/device-mapper/dm-dust.rst
+++ b/Documentation/admin-guide/device-mapper/dm-dust.rst
@@ -69,10 +69,11 @@ Create the dm-dust device:
$ sudo dmsetup create dust1 --table '0 33552384 dust /dev/vdb1 0 4096'
Check the status of the read behavior ("bypass" indicates that all I/O
-will be passed through to the underlying device)::
+will be passed through to the underlying device, "verbose" indicates that
+we will log everythings like bad blocks added, removed, or "remapped")::
$ sudo dmsetup status dust1
- 0 33552384 dust 252:17 bypass
+ 0 33552384 dust 252:17 bypass verbose
$ sudo dd if=/dev/mapper/dust1 of=/dev/null bs=512 count=128 iflag=direct
128+0 records in
@@ -164,7 +165,7 @@ following message command::
A message will print with the number of bad blocks currently
configured on the device::
- kernel: device-mapper: dust: countbadblocks: 895 badblock(s) found
+ countbadblocks: 895 badblock(s) found
Querying for specific bad blocks
--------------------------------
@@ -176,11 +177,11 @@ following message command::
The following message will print if the block is in the list::
- device-mapper: dust: queryblock: block 72 found in badblocklist
+ block 72 found in badblocklist
The following message will print if the block is not in the list::
- device-mapper: dust: queryblock: block 72 not found in badblocklist
+ block 72 not found in badblocklist
The "queryblock" message command will work in both the "enabled"
and "disabled" modes, allowing the verification of whether a block
@@ -198,12 +199,12 @@ following message command::
After clearing the bad block list, the following message will appear::
- kernel: device-mapper: dust: clearbadblocks: badblocks cleared
+ badblocks cleared
If there were no bad blocks to clear, the following message will
appear::
- kernel: device-mapper: dust: clearbadblocks: no badblocks found
+ no badblocks found
Message commands list
---------------------
--
2.25.4
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