There's no logged information about tree-log replay although this is something that points to previous unclean unmount. Other filesystems report that as well. Suggested-by: Chris Murphy <lists@xxxxxxxxxxxxxxxxx> CC: stable@xxxxxxxxxxxxxxx # 4.4+ Signed-off-by: David Sterba <dsterba@xxxxxxxx> --- fs/btrfs/disk-io.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 28622de9e642..295d5ebc9d5e 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3146,6 +3146,7 @@ int __cold open_ctree(struct super_block *sb, /* do not make disk changes in broken FS or nologreplay is given */ if (btrfs_super_log_root(disk_super) != 0 && !btrfs_test_opt(fs_info, NOLOGREPLAY)) { + btrfs_info("start tree-log replay"); ret = btrfs_replay_log(fs_info, fs_devices); if (ret) { err = ret; -- 2.24.0