[U-Boot-Users] RO jffs2 implementation for bootloader
matthieu.castet at parrot.fr
Fri May 4 14:10:35 CEST 2007
Stefan Roese a écrit :
> Hi Matthieu,
> On Friday 04 May 2007 11:55, Matthieu CASTET wrote:
>>> On Thu, 2007-05-03 at 08:40 +0000, Matthieu CASTET wrote:
>>>> I need to mount a jffs2 partition in a bootloader. I tried u-boot that
>>>> support jffs2, but it is very slow (2 minutes for mounting a 64MB
>>>> partition). Do you know if there are other (fast) implemenation of jffs2
>>>> suitable for a bootloader ?
>>> Not sure about any existing "fast" implementation, but mounting a JFFS2
>>> partition is about scanning whole partition. You may optimize some
>>> thing, but you have to scan anyway.
>> Well u-boot implementation is very slow. For 64MB partition : 2 minutes
>> for u-boot
> This really is slow. 64MB isn't that big and shouldn't take that long to
>> and 11 s for linux (3s with summary).
> So it can be done better.
> Did you think about improving the performance in U-Boot? If so, please let's
> move this discussion to the u-boot-users mailing list.
Somebody already try something for u-boot jffs2 , but is doesn't seem
to work (don't compile).
He didn't receive any report, so u-boot jffs2 code seems unmaintained.
> BTW: What cpu at what speed are you using?
an arm9 @240 Mhz.
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