On Sat, Apr 09, 2022 at 10:15:33AM +0200, Christoph Böhmwalder wrote: > On 09.04.22 06:50, Christoph Hellwig wrote: >> Just use a non-zero max_discard_sectors as an indicator for discard >> support, similar to what is done for write zeroes. >> >> The only places where needs special attention is the RAID5 driver, >> which must clear discard support for security reasons by default, >> even if the default stacking rules would allow for it. >> >> Signed-off-by: Christoph Hellwig <hch@xxxxxx> >> Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> >> Acked-by: Christoph Böhmwalder <christoph.boehmwalder@xxxxxxxxxx> [btrfs] > > I think you may have a typo there: my ACK was for drbd, not btrfs. Indeed, sorry.
