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libata: implement dump_id force param

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Add dump_id libata.force parameter.  If specified, libata dumps full
IDENTIFY data during device configuration.  This is to aid debugging.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Larry Baker <baker@usgs.gov>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo
2010-05-23 12:59:11 +02:00
committed by Jeff Garzik
parent e7ecd43569
commit 43c9c59185
3 changed files with 12 additions and 0 deletions
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Documentation/kernel-parameters.txt
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@@ -1252,6 +1252,8 @@ and is between 256 and 4096 characters. It is defined in the file
* nohrst, nosrst, norst: suppress hard, soft
and both resets.
* dump_id: dump IDENTIFY data.
If there are multiple matching configurations changing
the same attribute, the last one is used.