From: Gustavo Zacarias <gustavo@zacarias.com.ar>
To: buildroot@busybox.net
Subject: [Buildroot] Genimage last partition size issue
Date: Thu, 26 May 2016 15:37:22 -0300 [thread overview]
Message-ID: <57474262.2020500@zacarias.com.ar> (raw)
In-Reply-To: <20160526203517.1a2a3670@free-electrons.com>
On 26/05/16 15:35, Thomas Petazzoni wrote:
> Hello,
>
> On Tue, 24 May 2016 17:56:50 +0200, Peter Korsgaard wrote:
>
>> How should genimage know what the size is of your SD card when you
>> generate the foo.img image? I guess you would need to add size = 4G
>> inside image foo.img { }, but notice that this is isn't very efficient
>> as you will be writing lots of zeros to the sd card.
>
> Isn't it possible to generate a sparse file, and then use the sparse
> capability of dd to avoid writing those lots of zeros?
>
> Thomas
You're still dealing with the partition table, it goes beyond sparse files.
Regards.
next prev parent reply other threads:[~2016-05-26 18:37 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 15:26 [Buildroot] Genimage last partition size issue Matthew Weber
2016-05-24 15:56 ` Peter Korsgaard
2016-05-26 17:42 ` Matthew Weber
2016-05-26 17:49 ` Gustavo Zacarias
2016-05-26 18:35 ` Thomas Petazzoni
2016-05-26 18:37 ` Gustavo Zacarias [this message]
2016-05-26 18:41 ` Thomas Petazzoni
2016-05-26 18:45 ` Gustavo Zacarias
2016-05-26 19:18 ` Thomas Petazzoni
2016-05-26 19:19 ` Gustavo Zacarias
2016-05-26 19:55 ` Peter Korsgaard
2016-05-26 19:54 ` Peter Korsgaard
2016-05-26 19:59 ` Thomas Petazzoni
2016-05-26 20:05 ` Peter Korsgaard
2016-05-26 21:08 ` Yann E. MORIN
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