Re: [dm-devel] [PATCH 0/3] Add deleting state check for target messages

[Alasdair G Kergon <agk redhat com>]

On Sun, Nov 15, 2009 at 11:38:48PM -0800, Mike Anderson wrote:
> Yes this patch set should not be needed post the fix to the message ioctl.
> The reduction was aimed at future callers using dm_get_md prior to
> DMF_FREEING being set as the dm_table_destroy holders wait would not
> proceed until current message operations had completed, but the reduction
> of this case is not that important with the other message ioctl changes in
> place.
 
I've left it in my tree for now (with the suggested simplifications - private
to dm.h), to enforce the situation that the dm core will not forward messages
to table targets after they begin to be deleted.

Alasdair