Qu Wenruo - 29.12.20, 01:44:07 CET: > So what I can do is only to add a warning message to the problem. > > To solve your problem, I also submitted a patch to btrfs-progs, to > force v1 space cache cleaning even if the fs has v2 space cache > enabled. > > Or, you can disable v2 space cache first, using "btrfs check > --clear-space-cache v2" first, then "btrfs check --clear-space_cache > v1", and finally mount the fs with "space_cache=v2" again. > > To verify there is no space cache v1 left, you can run the following > command to verify: > > # btrfs ins dump-tree -t root <device> | grep EXTENT_DATA > > It should output nothing.
I have v1 space_cache stuff on filesystems which use v2 space_cache as well, so… the fully working way to completely switch to spacecache_v2 for any BTRFS filesystem with space cache v1, is what you wrote above? Or would it be more straight forward than that with a newer kernel? Best, -- Martin
