Re: [Xen-devel] [PATCH] libxc: restore: reset I/O fd to flags to back to state caller passed us

[Brendan Cully <brendan@xxxxxxxxx>]

On Friday, 03 September 2010 at 17:07, Ian Campbell wrote:
> # HG changeset patch
> # User Ian Campbell <ian.campbell@xxxxxxxxxx>
> # Date 1283530025 -3600
> # Node ID f23b8e767b18bbeb867ec18e3db9bf8639da40b0
> # Parent  35cc5da0dd970c885fafaaf05bb3c1594dc68020
> libxc: restore: reset I/O fd to flags to back to state caller passed us
> 
> In particular this causes us to turn O_NONBLOCK back off if we set it.
> 
> The caller may continue to use the fd for it's own protocol needs and
> may not be prepared to have it become non-blocking.
> 
> This probably only effects Remus now after my previous patch to signal
> the last checkpoint, since a regular migration will no longer set the
> fd non-blocking.

Although I don't think this currently does anything useful, it seems
harmless. I'm applying and testing this and patch 3 of your previous
series now.

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