[PATCH 1/1] ubi: Introduce block devices for UBI volumes

[Richard Weinberger]

Am 08.02.2014 23:51, schrieb Willy Tarreau:
> On Sat, Feb 08, 2014 at 10:37:19PM +0100, Richard Weinberger wrote:
>>> +config MTD_UBI_BLOCK_WRITE_SUPPORT
>>> +       bool "Enable write support (DANGEROUS)"
>>> +       default n
>>> +       depends on MTD_UBI_BLOCK
>>> +       select MTD_UBI_BLOCK_CACHED
>>> +       help
>>> +          This is a *very* dangerous feature. Using a regular block-oriented
>>> +          filesystem might impact heavily on a flash device wear.
>>> +          Use with extreme caution.
>>> +
>>> +          If in doubt, say "N".
>>
>> I really vote for dropping write support at all.
> 
> Why ? When you put a read-only filesystem there such as squashfs, the
> only writes you'll have will be updates, and write support will be the
> only way to update the filesystem. So removing write support seriously
> impacts the usefulness of the feature itself.

So almost everyone has to enable MTD_UBI_BLOCK_WRITE_SUPPORT?
I thought there is another way to fill the volume with data...

Thanks,
//richard