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

Richard W.M. Jones
2013-08-19T09:19:00Z

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@redhat.com>

Rich.

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