[yocto] Antwort: Re: How to create a directory for an SD-Card mount?

Wed Jul 6 23:13:40 PDT 2016

Problem solved! Thank you for the help.

It was solved by:

do_install () {
...
install -d ${D}/media/sd1
...
}

FILES_${PN} += "media/sd1"

@Mike:
I am using the meta-atmel. The mount dir is created. In my case I have a 
rule which mounts the sd card to mount/sd1, That's why I need to create 
sd1. But good idea, maybee I will change the rule, so it creates (if 
needed) the dir to mount.

Regards!

Stefan Jaritz

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Von:    Mike Looijmans <mike.looijmans at topic.nl>
An:     <yocto at yoctoproject.org>
Datum:  07.07.2016 08:04
Betreff:        Re: [yocto] How to create a directory for an SD-Card 
mount?
Gesendet von:   yocto-bounces at yoctoproject.org

On many embedded systems, /media/ is volatile. So you probably need to 
create 
an entry for a volatile dir.

Better is to create/delete the directory in the mount script. That also 
avoids 
races, since creating a directory is an atomic operation. And it allos you 
to 
mount multiple devices.

I'm actually surprised that this isn't already in place. Maybe you're 
missing 
some obscure udev package in your image?

On 06-07-16 20:09, Daniel. wrote:
> install -d ${D}/media/sd1
> ???
>
> 2016-07-06 11:44 GMT-03:00  <S.Jaritz at esa-grimma.de>:
>> Hej
>>
>> I managed to create and install a rule that should mount a sd card to
>> "/media/sd1".  To finish it, I need to create the directory "sd1" in 
media.
>> My recipe for the rule looks like:
>> ###################
>> SUMMARY = "the udev rules for the board"
>> SECTION = "rules"
>> LICENSE = "CLOSED"
>>
>> SRC_URI = "file://50-mmc.rules \
>>          "
>> S = "${WORKDIR}"
>>
>> do_install () {
>>          install -d ${D}${sysconfdir}/udev/rules.d
>>          install -m 0644 ${WORKDIR}/50-mmc.rules
>> ${D}${sysconfdir}/udev/rules.d/
>> }
>> ###################
>> How to create a dir in do_install which goes to the package?
>>
>> By the way:
>> I was also appending fstab after this article
>>
>> https://communities.intel.com/thread/49251
>>
>> Is there an better way to uncomment/modify that one line in fstab?
>>
>> Regards!
>>
>> Stefan Jaritz
>>
>> ------------------------------------------------------------
>> ESA Elektroschaltanlagen Grimma GmbH
>> Broner Ring 30
>> 04668 Grimma
>> Telefon: +49 3437 9211 176
>> Telefax: +49 3437 9211 26
>> E-Mail: s.jaritz at esa-grimma.de
>> Internet: www.esa-grimma.de
>>
>>
>> Geschäftsführer:
>> Dipl.-Ing. Jörg Gaitzsch
>> Jörg Reinker
>>
>> Sitz der Gesellschaft: Grimma
>> Ust.-ID: DE 141784437
>> Amtsgericht: Leipzig, HRB 5159
>> Steuernummer: 238/108/00755
>>
>>
>> Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte
>> Informationen.
>> Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich
>> erhalten
>> haben, informieren Sie bitte sofort den Absender und löschen Sie diese
>> Nachricht. Das unerlaubte Kopieren sowie die unbefugte Weitergabe 
dieser
>> Mail
>> ist nicht gestattet.
>>
>> This e-mail may contain confidential and/or privileged information. If 
you
>> are
>> not the intended recipient (or have received this e-mail in error) 
please
>> notify the sender immediately and destroy this e-mail. Any unauthorized
>> copying, disclosure or distribution of the material in this e-mail is
>> strictly
>> forbidden.
>> --
>> 

Kind regards,

Mike Looijmans
System Expert

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