Re: [PATCH] um: ubd: Add REQ_FLUSH suppport

From: Richard W.M. Jones
Date: Mon Aug 19 2013 - 05:19:05 EST


On Sun, Aug 18, 2013 at 12:09:34AM +0200, Richard Weinberger wrote:
> UML's block device driver does not support write barriers,
> to support this this patch adds REQ_FLUSH suppport.
> Every time the block layer sends a REQ_FLUSH we fsync() now
> our backing file to guarantee data consistency.

This fixes the sync problem I saw before. So:

Tested-by: Richard W.M. Jones <rjones@xxxxxxxxxx>

Rich.

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