Impish kernel on zfs: andreas@nsnx:~$ rm foo.img andreas@nsnx:~$ touch foo.img andreas@nsnx:~$ fallocate -z -l 10M foo.img fallocate: fallocate failed: Operation not supported
Jammy kernel on zfs: root@j1:~# touch foo.img root@j1:~# fallocate -z -l 10M foo.img root@j1:~# ll foo.img -rw-r--r-- 1 root root 0 Apr 18 18:06 foo.img Jammy kernel on ext4: andreas@nsn7:~$ touch foo.img andreas@nsn7:~$ fallocate -z -l 10M foo.img andreas@nsn7:~$ l foo.img -rw-rw-r-- 1 andreas andreas 10M abr 19 09:32 foo.img andreas@nsn7:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1969247 Title: fallocate with FALLOC_FL_ZERO_RANGE produces zero-size files on zfs in Jammy To manage notifications about this bug go to: https://bugs.launchpad.net/zfs/+bug/1969247/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
