ZFS zvol works as swap even though CoW can't be disabled, how does it work? Edit: I found that zvol is virtual volume so anyway it should be handled by zfs. I

ZFS zvol works as swap even though CoW can't be disabled, how does it work? Edit: I found that zvol is virtual volume so anyway it should be handled by zfs. I also found mention about the bypass mechanism. http://lkml.iu.edu/hypermail/linux/kernel/0507.0/1690.html http://lkml.iu.edu/hypermail/linux/kernel/0507.0/1690.html