Bart, > This patch series, when combined with the block layer patch that > prevents that the report and reset zone ioctls are executed while a > queue is frozen, prevents that these ioctls fail sporadically with > -EIO. Since this race is relatively easy to trigger with the SMR > support for fio that I'm working on, please consider this patch series > for kernel v4.17. I queued the cleanup patches for 4.18 and the bug fix patch for 4.17. Thanks! -- Martin K. Petersen Oracle Linux Engineering