On Mon, May 12, 2025 at 03:26:41PM +0200, Christoph Hellwig wrote: > > 1) bitmap bio must be done before this bio can be issued; > > 2) bitmap bio will be added to current->bio_list, and wait for this bio > > to be issued; > > > > Do you have a better sulution to this problem? > > A bew block layer API that bypasses bio_list maybe? I.e. export > __submit_bio with a better name and a kerneldoc detailing the narrow > use case.
That won't work as we'd miss a lot of checks, cgroup handling, etc. But maybe a flag to skip the recursion avoidance?
