On Mon, Nov 26, 2012 at 11:28:14AM +1100, Dave Chinner wrote:
> fs: revert commit bbdd6808 to fallocate UAPI
>
> From: Dave Chinner <dchin...@redhat.com>
>
> Commit bbdd6808 ("fs: reserve fallocate flag codepoint") changes the
> fallocate(2) syscall interface. The flag that is reserved by this
> commit is for functionality that has previously been NAKed on the
> -fsdevel mailing list, and so exists out-of-tree.
Hi Linus,
It doesn't change the interface or break anything; it just reserves a
bit so that out-of-tree patches don't collide with future allocations.
There are significant usages of this bit within Google and Tao Bao.
It is true that there has been significant pushback about adding this
functionality on linux-fsdevel; I find it personally frustrating that
in effect, if enough people scream, they can veto an optional feature
that might only be implemented by a single file system.
It's not like there is any shortage of flag bits, so what's the harm
of reserving the bit?
- Ted
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