On 2019/06/13 23:00, Josef Bacik wrote: > On Fri, Jun 07, 2019 at 10:10:11PM +0900, Naohiro Aota wrote: >> Direct write I/Os can be directed at existing extents that have already >> been written. Such write requests are prohibited on host-managed zoned >> block devices. So disable direct IO support for a volume with HMZONED mode >> enabled. >> > > That's only if we're nocow, so seems like you only need to disable DIO into > nocow regions with hmzoned? Thanks, > > Josef > True. And actually, I had to disable or ignore BTRFS_INODE_NODATACOW on HMZONED. I'll replace this patch with that one. Thanks,
