Am 21.08.2018 um 11:46 hat Anton Nefedov geschrieben: > This will help to identify how many of the user-issued discard operations > (accounted on a device level) have actually suceeded down on the host file > (even though the numbers will not be exactly the same if non-raw format > driver is used (e.g. qcow2 sending metadata discards)). > > Note that these numbers will not include discards triggered by > write-zeroes + MAY_UNMAP calls. > > Signed-off-by: Anton Nefedov <anton.nefe...@virtuozzo.com>
Why not implement accounting at the BDS level for all drivers? Then we can also reuse the existing BlockStats fields instead of duplicating them into driver-specific new ones. Kevin
