| 1 |
The type of flash that you should use jffs2 on are not going to support |
| 2 |
a boot loader like grub/lilo. If you are using a CF card for example it |
| 3 |
already has wear leveling and correction at the hardware level and |
| 4 |
therefore ext2 etc are fine. If you are using a stick of NAND flash |
| 5 |
from samsung that his registered by the system as a memory segment this |
| 6 |
is when you need jffs2. In this case you need to see what the boot |
| 7 |
properties of the device are (mine has a bios option to load a boot |
| 8 |
loader from a particular location) then put the apporopriate code there. |
| 9 |
|
| 10 |
|
| 11 |
Austin Morgan |
| 12 |
|
| 13 |
-----Original Message----- |
| 14 |
From: gentoo-embedded+bounces-1114-AUSTIN.D.MORGAN=saic.com@g.o |
| 15 |
[mailto:gentoo-embedded+bounces-1114-AUSTIN.D.MORGAN=saic.com@g.o |
| 16 |
] On Behalf Of Joshua Pollak |
| 17 |
Sent: Wednesday, August 09, 2006 8:54 AM |
| 18 |
To: gentoo-embedded@l.g.o |
| 19 |
Cc: Kfir Lavi |
| 20 |
Subject: Re: [gentoo-embedded] What file system I should use with flash? |
| 21 |
|
| 22 |
|
| 23 |
Mike Frysinger wrote: |
| 24 |
> On Wednesday 09 August 2006 01:39, Kfir Lavi wrote: |
| 25 |
> |
| 26 |
>> I have read about JFFS2 but it is not supported in gentoo (or is |
| 27 |
>> it?). What will be your recommendations for such filesystem? |
| 28 |
>> |
| 29 |
> |
| 30 |
> if you need rw, then jffs2 or yaffs2 |
| 31 |
> |
| 32 |
> jffs2 is prob the easiest route since it's already in the kernel |
| 33 |
> |
| 34 |
> i dont know what you mean by "supported" as all you need is userspace |
| 35 |
> utilities to generate the jffs2 image (in the portage tree as |
| 36 |
mtd-utils) and |
| 37 |
> a kernel to mount it (in the mainline kernel) |
| 38 |
> -mike |
| 39 |
> |
| 40 |
Do you use initrd to bootstrap, or do boot loaders like lilo and grub |
| 41 |
understand jffs2? I've been using ext2 on my CompactFlash simply because |
| 42 |
I'm too lazy and haven't had time to learn how to use initrd. |
| 43 |
-- |
| 44 |
gentoo-embedded@g.o mailing list |
| 45 |
-- |
| 46 |
gentoo-embedded@g.o mailing list |
Archives