We should not look at discard as an uniform feature in the first place

Posted May 14, 2019 2:23 UTC (Tue) by hmh (subscriber, #3838)
In reply to: We should not look at discard as an uniform feature in the first place by Fowl
Parent article: Issues around discard

It entirely depends on the competence of the vendor that wrote the device firmware, and that whomever designed the queue protocol was not crazy enough to forget about write collisions between queues.

A discard really is just a write as far as ordering and races/collisions go.