This is an automated cleanup. This bug report has been moved to QEMU's new bug tracker on gitlab.com and thus gets marked as 'expired' now. Please continue with the discussion here:
https://gitlab.com/qemu-project/qemu/-/issues/139 ** Changed in: qemu Status: New => Expired ** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #139 https://gitlab.com/qemu-project/qemu/-/issues/139 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1652459 Title: kvm rbd driver (and maybe others, i.e. qcow2, qed and so on) does not report DISCARD-ZERO flag Status in QEMU: Expired Bug description: # lsblk -D NAME DISC-ALN DISC-GRAN DISC-MAX DISC-ZERO sda 0 4K 1G 0 ├─sda1 0 4K 1G 0 ├─sda2 1024 4K 1G 0 └─sda5 0 4K 1G 0 Last column should be `1` at least for "RBD+discard=unmap" since reading from discarded regions in RBD MUST return zeroes. The same with QCOW2, QED and sparse raw images. KVM should copy value of this flag when real raw device (i.e. real SSD) with discard capability is used as virtual disk. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1652459/+subscriptions