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Message-ID: <4FD94240.6060806@delphij.net>
Date: Wed, 13 Jun 2012 18:45:36 -0700
From: Xin Li <delphij@delphij.net>
Organization: The FreeBSD Project
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To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
References: <alpine.BSF.2.00.1205261704590.70782@wojtek.tensor.gdynia.pl>
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Cc: freebsd-hackers@freebsd.org, d@delphij.net
Subject: Re: BIO_DELETE equivalent for file on FFS filesystem
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On 05/26/12 08:06, Wojciech Puchar wrote:
> is it possible. suppose i have 1GB file with my data and 100 1
> megabyte parts of it is no longer needed. i could reorganize that
> file to take 900MB or... can i call some system function to "punch"
> holes?

I think you can only truncate the file at this time, pretty much like
brk() works for memory.

Cheers,
- -- 
Xin LI <delphij@delphij.net>	https://www.delphij.net/
FreeBSD - The Power to Serve!		Live free or die


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