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In-Reply-To: <Z7MJSQVFRjZ4s_ko@calimero.vinschen.de>
Date: Thu, 5 Jun 2025 09:07:00 +0200
Message-ID: <CALXu0UeOFwKruiCUs=+8Hm2yA89tPXVtb=tAqfu-z+xE63o5=w@mail.gmail.com>
Subject: Re: Cygwin sparse file support: Please support fcntl(..., F_FREESP,
 ...)
To: cygwin@cygwin.com
Cc: Corinna Vinschen <corinna-cygwin@cygwin.com>
From: Cedric Blancher via Cygwin <cygwin@cygwin.com>
Reply-To: Cedric Blancher <cedric.blancher@gmail.com>
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On Mon, 17 Feb 2025 at 11:07, Corinna Vinschen via Cygwin
<cygwin@cygwin.com> wrote:
>
> On Feb 16 16:27, Sebastian Feld via Cygwin wrote:
> > On Sat, Feb 15, 2025 at 4:15 PM Cedric Blancher via Cygwin
> > <cygwin@cygwin.com> wrote:
> > >
> > > Good afternoon!
> > >
> > > Could Cygwin 3.6 please support fcntl(...,F_FREESP,...) and
> > > cntl(...,F_FREESP64,...), as specified in
> > > https://docs.oracle.com/cd/E19253-01/816-5167/fcntl-2/index.html
> > >
> > > Lots of older software from Solaris, SUPER/UX, CrayOS use F_FREESP for
> >
> > QNX and AIX support F_ALLOCSP and F_FREESP
> >
> > > punching a hole into a file, and IMO it'll be nice if this works for
> > > Cygwin out of the box.
> >
> > +1
> >
> > Please also add F_ALLOCSP and F_ALLOCSP64 to allocate space in a file.
> > Like F_FREESP and F_FREESP64 it takes a struct flock/flock64, so it's
> > a pretty straightforward API.
>
> No, we won't do that. We're not adding any new feature to 3.6 this
> close to the release.

What about now? Could this be implemented for Cygwin 3.7, please?

Ced
-- 
Cedric Blancher <cedric.blancher@gmail.com>
[https://plus.google.com/u/0/+CedricBlancher/]
Institute Pasteur

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