2017-02-08 00:43:18 +0100, Max Reitz: [...] > Therefore, the patch as it is makes sense. The fact that said lseek() is > slow on ZFS is (in my humble opinion) the ZFS driver's problem that > needs to be fixed there. [...]
For the record, I've mentioned the qemu performance implication at https://github.com/zfsonlinux/zfs/issues/4306#issuecomment-277000682 Not much more I can do at that point. That issue was raised a year ago and has not been assigned any milestone yet. -- Stephane
