Re: [PATCH v7 0/5] vfs: Non-blockling buffered fs read (page cache only)

[Christoph Hellwig]

On Fri, Mar 27, 2015 at 10:04:11AM -0700, Andrew Morton wrote:
> mm...  I don't think we should be adding placeholders to the kernel API
> to support code which hasn't been written, tested, reviewed, merged,
> etc.  It's possible none of this will ever happen and we end up with a
> syscall nobody needs or uses.  Plus it's always possible that during
> this development we decide the pwrite2() interface needs alteration but
> it's too late.
> 
> What would be the downside of deferring pwrite2() until it's all
> implemented?

It _is_ implemented.  I just decided to submit it separately as Miklos
already has to deal with enough bikeshedding for his feature that I
don't want to put the burden of dealing with the BS for the one I wrote
on him.
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