kernel 2.6.28.7
efs2prog: 1.41.4
File Documentation/filesystems/ext4.txt states:
...
Or to configure an existing ext3 filesystem to support extents:
# tune2fs -O extents /dev/hda1
....
To convert from ext2 (a very old filesystem :) ) to ext4, it's necessary
to add more options. I'm not sure which one made the trick.
tune2fs -O
has_journal,dir_index,filetype,extent,flex_bg,sparse_super,large_file,huge_file,uninit_bg,dir_nlink,extra_isize
Also, /etc/filesystems does not contain an entry for
ext4. /etc/efs2prog.conf is ok.
-- Berendsen
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