On Sat, Sep 19, 2020 at 07:39:08AM +0100, Christoph Hellwig wrote: > I think just adding the completion and status to struct > iomap_readpage_ctx would be a lot easier to follow, at the cost > of bloating the structure a bit for the readahead case. If we > are realy concerned about that, the completion could be directly > on the iomap_readpage stack and we'd pass a pointer. Anbother option would be to chain the bios and use submit_bio_wait. That would take care of the completion and the status propagation withour extra fields and extra code in iomap.
