On Wed, 2018-09-05 at 15:04 +0800, Su Yue wrote: > Agreed with Qu, btrfs-check shall not try to do any write.
Well.. it could have been just some coincidence :-) > I found the errors should blame to something about inode_extref check > in lowmem mode. So you mean errors in btrfs-check... and it was a false positive? > I have writeen three patches to detect and report errors about > inode_extref. For your convenience, it's based on v4.17: > https://github.com/Damenly/btrfs-progs/tree/ext_ref_v4.17 I hope I can test them soon.... could take a bit longer as I'm about to head off into vacation. Cheers, Chris.