[maemo-users] question on booting from mmc

From: Frantisek Dufka dufkaf at seznam.cz
Date: Fri Jul 13 16:59:09 EEST 2007
Theodore Tso wrote:

> It depends on how much metadata updates you do --- I would definitely
> recommend using the noatime mount option, but probably somewhere
> between 1.2x and 2x.  Basically, each time you update some part of the
> metadata, it will result in the block being written to the journal,
> before it is ultimately written to the primary location on disk.  So
> the number of writes will go up by 2x for metadata blocks.  So the big
> question is the ratio between metadata updates and data block updates.   

Thanks. This doesn't sound so bad. This 1.2x to 2x is for default 
data=ordered mode and data=journal would be +1, right?

What about the data=writeback, is this same or better (as for number of 


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