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Subject: Re: [PHP-DEV] Implemented fallocate() syscall in streams
From: ivan.enderlin@hoa-project.net ("Ivan Enderlin @ Hoa")


On 08/07/2014 11:08, Julien Pauli wrote:
> On Tue, Jul 8, 2014 at 9:37 AM, Ivan Enderlin @ Hoa
> <ivan.enderlin@hoa-project.net> wrote:
>> On 13/06/2014 16:20, Julien Pauli wrote:
>>> - One that relies on ftruncate() , and adds a <bool>$use_fallocate
>>> flag https://github.com/jpauli/php-src/tree/fallocate_flag
>>>
>>> Please, note that the latest proposal requires patches in different
>>> extensions, as I changed a PHP_API function signature.
>>>
>>> I don't know if Windows can support that. Pierre, Anatol ? :-)
>>>
>>> Tests are beeing written at the moment.
>>>
>>> I didn't implement this is user stream handlers, as this really is a
>>> low level implementation design that is kind of useless for usage in
>>> user streams.
>>>
>>> Thoughts ?
>> If the first one is used, please, consider exposing it on the user-land of
>> stream wrappers (exemple: `stream_allocate`) if possible.
> I find it very useless as user stream already have the ftruncate
> exposed to them.
Hum no, this is very useful actually. A stream wrapper can be used to 
represent a file somewhere else, imagine `ntfs://`, `smb://`, `aws://`, 
`ftp://`, `afp://` etc.


> The difference between ftruncate and fallocate is meaningless in userland.
If `fallocate` is proposed in the user-land, then it will be logical to 
have it in the stream wrapper API. That's it :-).

-- 
Ivan Enderlin
Developer of Hoa
http://hoa-project.net/

PhD. student at DISC/Femto-ST (Vesontio) and INRIA (Cassis)
http://disc.univ-fcomte.fr/ and http://www.inria.fr/

Member of HTML and WebApps Working Group of W3C
http://w3.org/