On 6/10/25 9:44 PM, Christoph Hellwig wrote:
Bios queued up in the zone write plug have already gone through all all preparation in the submit_bio path, including the freeze protection. Submitting them through submit_bio_noacct_nocheck duplicates the work and can can cause deadlocks when freezing a queue with pending bio write plugs. Go straight to ->submit_bio or blk_mq_submit_bio to bypass the superfluous extra freeze protection and checks.
Although this patch has already been applied: Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>
