[Buildroot] [PATCH] docs/manual: document filesystems

[Carlos Santos]

> From: "Yann Morin" <yann.morin.1998 at free.fr>
> To: "DATACOM" <casantos at datacom.com.br>
> Cc: "buildroot" <buildroot at buildroot.org>, "Thomas De Schampheleire" <patrickdepinguin at gmail.com>, "Thomas Petazzoni"
> <thomas.petazzoni at bootlin.com>, "Peter Korsgaard" <peter at korsgaard.com>, "Arnout Vandecappelle" <arnout at mind.be>
> Sent: Sunday, June 10, 2018 5:12:17 AM
> Subject: Re: [PATCH] docs/manual: document filesystems

> Carlos, All,
> 
> Thanks for the review! :-)
> 

[...]

>> Genarating filesystem images do not modify the
>> contents of the global $(TARGET_DIR) and user-provided rootfs extensions
>> must not do this.
> 
> Why do you insist on modifying the global target/ directory from your
> filesystem? If you do that, and build two or more filesystems [*], they
> might each try to modify target/ is incompatible ways, and this is not
> even safe, concurrency-wise (e.g. ony may try to archive the content of
> /var while another is doing a rm -rf on it.)

I never intended to modify the global $(TARGET_DIR).

-- 
Carlos Santos (Casantos) - DATACOM, P&D
“Marched towards the enemy, spear upright, armed with the certainty
that only the ignorant can have.” — Epitaph of a volunteer