Hi Nicholas, On 17-04-2021 00:35, Nicholas D Steeves wrote: > Last I checked, only btrfs supports the cgroupv2 I/O controller; this > should probably be documented. Alternatively, if more than btrfs (ie: > XFS and ext4) supports it, but not other file systems (ie: f2fs, > reiser4, jfs, etc) than this should be documented. > > As far as I can tell, the significance of this is as follows: Buster > switched to mq-deadline, which does not support the idle I/O priority, > and to get functional ionice the user/sysadmin had to switch to the > non-mq CFQ, or bfq. The situation in a default Bullseye install is > better, but only for file systems that support the cgroupv2 I/O > controller. As I don't have much knowledge on this front, can you maybe do an actual proposal for text to be added? And, if you're unsure, how do we find out if you're right? Paul
Attachment:
OpenPGP_signature
Description: OpenPGP digital signature