[dm-devel] [PATCH] dm_crypt: Issue all previous bios before remapping barrier bio
Milan Broz
mbroz at redhat.com
Mon Feb 1 15:39:42 UTC 2010
On 02/01/2010 04:19 PM, Nikanth Karthikesan wrote:
> Before remapping a barrier bio, make sure that there are no un-issued
> pending I/O in the workqueue. Otherwise a dm_flush would simply add
> a barrier request to the underlying device, without issuing the bio's
> queued in the dm_crypt device.
This should not be needed. Core dm code waits for all bios submitted before
barrier requests.
Mikulas, could you verify it?
Milan
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