On Sunday, April 5, 2015 1:04:17 PM MSK, Hugo Mills wrote:
That's these, I think:
#define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5)
#define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6)
so it's definitely -O^extref. I don't see where big_metadata comes
from, though. That's not a -O option. Try with -O^extref and see where
that gets you. (Also, don't mount the FS on a newer kernel -- it may
be setting big metadata automatically, although it probably shouldn't
do).
By the way, is there any way to see which options are enabled on a local
filesystem without having to try mounting it with old kernel and checking
dmesg?
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