[libvirt PATCH v2 26/56] src: conditionalize use of O_DIRECT

[Daniel P. Berrangé]

On Tue, Jan 28, 2020 at 05:55:27PM +0100, Pavel Hrdina wrote:
> On Tue, Jan 28, 2020 at 01:11:07PM +0000, Daniel P. Berrangé wrote:
> > The O_DIRECT flag is not available on all platforms, so we
> > must introduce a compat define the same way gnulib does.
> > 
> > Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> > ---
> >  src/util/iohelper.c | 4 ++++
> >  src/util/virfile.c  | 4 ++++
> >  2 files changed, 8 insertions(+)
> 
> I would rather have all the O_* compat defines at one place then
> scattered through our code.
> 
> We have the O_CLOEXEC in src/internal.h, O_DIRECT in these two files
> and following patch adds guard around O_BINARY in
> src/util/virfdstream.c.
> 
> I'll leave it up to you if decide to group all of them or leave it as
> it is.

To do that grouping more generally, we would need to have fcntl.h
pulled in by  internal.h. That's certainly possible, but we'll
need to cleanup the includes elsewhere, so not something I'll
just squash into this series without more review.

> Reviewed-by: Pavel Hrdina <phrdina at redhat.com>



Regards,
Daniel
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