Kernel: 4.19.0 btrfs-progs: 4.20.1 Attempts to write data to the filesystem end up with the system being degraded to read only. dmesg shows this: [14544.006701] BTRFS: error (device sdi) in __btrfs_free_extent:6800: errno=-2 No such entry [14544.006703] BTRFS info (device sdi): forced readonly [14544.006706] BTRFS: error (device sdi) in btrfs_run_delayed_refs:2935: errno=-2 No such entry [14544.726934] BTRFS warning (device sdi): Skipping commit of aborted transaction. Ran a btrfs check: [2/7] checking extents ref mismatch on [18366485364736 16384] extent item 1, found 0 backref 18366485364736 root 2 not referenced back 0x56417a8551f0 incorrect global backref count on 18366485364736 found 1 wanted 0 backpointer mismatch on [18366485364736 16384] owner ref check failed [18366485364736 16384] ref mismatch on [18366487035904 16384] extent item 0, found 1 tree backref 18366487035904 parent 2 root 2 not found in extent tree backpointer mismatch on [18366487035904 16384] ERROR: errors found in extent allocation tree or chunk allocation [3/7] checking free space cache cache and super generation don't match, space cache will be invalidated Should I run a btrfs check repair on the system?
