[Date Prev][Date Next] [Thread Prev][Thread Next]
[Thread Index]
[Date Index]
[Author Index]
Re: [dm-devel] [PATCH] dm_crypt: Issue all previous bios before remapping barrier bio
- From: Milan Broz <mbroz redhat com>
- To: Nikanth Karthikesan <knikanth suse de>
- Cc: dm-devel redhat com, Mikulas Patocka <mpatocka redhat com>, Alasdair G Kergon <agk redhat com>
- Subject: Re: [dm-devel] [PATCH] dm_crypt: Issue all previous bios before remapping barrier bio
- Date: Mon, 01 Feb 2010 16:39:42 +0100
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
[Date Prev][Date Next] [Thread Prev][Thread Next]
[Thread Index]
[Date Index]
[Author Index]