Upgrading cramfs root file system while running (DENX wrote that is not possible)

Wolfgang Denk wd at denx.de
Sat Apr 22 02:57:32 EST 2006

In message <20060421055142.11025.qmail at mx1.aruba.it> you wrote:
> No, I have a cramfs on flash and the kernel uses it directly from flash,
> extracting what it needs to execute. I'm not using initrd then, I have to
> update in situ, while running.

This cannot be done reliably. You have to make the file system  idle,
i. e. unmount it.

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Change is the essential process of all existence.
	-- Spock, "Let That Be Your Last Battlefield",
	   stardate 5730.2

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