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Re: RE : JFFS2 for NAND flash file system
- From: Paul MAILLET <paulmaillet37 at gmail dot com>
- To: ecos-discuss at ecos dot sourceware dot org
- Date: Wed, 1 Jun 2011 16:43:32 +0200
- Subject: [ECOS] Re: RE : JFFS2 for NAND flash file system
- References: <BANLkTimXMWKORK85r74wuQnF5zvuqOaXnw@mail.gmail.com> <BANLkTi=gyorSa2HKm-237g8h_VQZA6fucA@mail.gmail.com> <BANLkTi=BYZRwGJD8Spy4xbFzArTfPfjy0A@mail.gmail.com>
Hi,
So the FS has to be aware of the NAND device. Plus, with this
abstraction layer using a journaled file system (like JFFS) will
introduce twice wear levelling... Thanks for the help.
Anyway, I need to go deeper with my eCos configuration here.
I succeeded in running JFFS2, but I am totaly unable to tell which
version it is, if it support NAND or not in this version or
anything...
I didn't found anything about the version I currently use, and more
it's quite disturbing to find these lines in the TODO's file from the
JFFS2 package (even in the v3.0 release version):
[...]
- NAND flash support:
- almost done :)
- use bad block check instead of the hardwired byte check
[...]
All I can tell is that sources from the JFFS2 package I use are mostly
post 2004 with version like 1.1xx.
How can I ensure that my version support NAND?
Is there any tests I can run to validate the FS?
Thanks for your time,
Best regards,
Paul
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