2010/5/11 <[email protected]> wrote: > As reasoning from Arjan sounds good, we obviously > now need to do some testing with N900 & Btrfs as well. > > While filesystem is perhaps not something that must be > the same between devices, it would be nice to use same. >
One initial worry would be kernel bloat/size - on a N900, we have a limit of a 2MB zImage kernel. We had some problems trying to move from ext3 to ext4 at some point and my worry is that btrfs would bring us above that again. Howeer, Marko Saukko did make a (rescue) initrd we can be utilizing to load btrfs modules. Not as elegant as booting straight to a ext3 fs, but it would do the trick. On a 2gb microSD, 200-300mb of metadata would be quite a fair bit*. Has there been any studies on how well btrfs fares on SD cards/eMMC type chips? (*) Not against the selection of btrfs - I use ZFS on my servers extensively and it has saved my data on more than one occasion, so I understand why btrfs would be useful on mobile devices. Regards, Carsten Munk maemo.org distmaster and part of MeeGo N900 HW adaptation team _______________________________________________ MeeGo-dev mailing list [email protected] http://lists.meego.com/listinfo/meego-dev
