QA output created by 158 Running xfs_repair to upgrade filesystem. Inode btree count feature only supported on V5 filesystems. FEATURES: INOBTCNT:NO Running xfs_repair to upgrade filesystem. Inode btree count feature requires free inode btree. FEATURES: INOBTCNT:NO Fail partway through upgrading Adding inode btree counts to filesystem. FEATURES: NEEDSREPAIR:YES INOBTCNT:YES mount: SCRATCH_MNT: mount(2) system call failed: Structure needs cleaning. Re-run repair to finish upgrade FEATURES: NEEDSREPAIR:NO INOBTCNT:YES Filesystem should be usable again FEATURES: INOBTCNT:YES Make sure we have nonzero counters ino_blocks = NONZERO fino_blocks = NONZERO Make sure we can't re-add inobtcount Running xfs_repair to upgrade filesystem. Filesystem already has inode btree counts. Mount again, look at our files moo