Re: [PATCH] generic/050: handle f2fs as nojournal filesystem

On Fri, Apr 10, 2026 at 01:18:20PM +0000, Jan Prusakowski wrote:
> F2FS uses a checkpoint mechanism for metadata consistency rather than a
> traditional journal. Roll-forward recovery is only needed if there are
> fsync'd files since the last checkpoint.
> 
> In this test case, files are created without fsync, so there is no
> roll-forward data to replay during mount.
> 
> Therefore, F2FS does not need to write to the device to recover, and
> successfully mounts on the read-only block device. Thus, it should be
> treated as nojournal in this case.

This looks ok, but I always wonder if we want an opt-in for this
"journaling" behavior and/or define it clear in common/.