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SubjectRe: [PATCH next] fs/splice: iter_to_pipe -- Use PIPE_DEF_BUFFERS instead of hardcoded number
On Wed, Jan 30, 2019 at 06:48:51PM +0300, Cyrill Gorcunov wrote:
> On Wed, Jan 30, 2019 at 03:42:45PM +0000, Al Viro wrote:
> > On Wed, Jan 30, 2019 at 06:39:11PM +0300, Cyrill Gorcunov wrote:
> > > And use ARRAY_SIZE for easier code modification if we ever need in future.
> >
> > Umm... Why PIPE_DEF_BUFFERS, though? Because it's a constant from more or
> > less the same area that happens to be equal to the value we use here?
> Yes. Since plain 16 value completely unclear where it comes from. I looked
> into your commit which made this change and seems previously we've had this
> constant related (79fddc4efd5d4de5cf210fe5ecf4d2734140849a). Am I wrong?

Thinking more I'm more convinced that i'm wrong. Also it is related to
this default size, the code can pretty well use (alsmost) any other
constant here. Al, drop it please.

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