BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 816 fs/btrfs/dev-replace.c result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED; BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 825 fs/btrfs/dev-replace.c result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED;