Nullfs has been merged for Linux 7.0(phoronix.com) |
Nullfs has been merged for Linux 7.0(phoronix.com) |
So there might finally be "a mechanism for kernel threads to explicitly relinquish any access to the file system" that the old manual page for pivot_root promised: https://linux.die.net/man/2/pivot_root
This makes the initramfs rootfs un-special. Aside from being volatile, but this is a design decision.