Ernesto A. Fernández 於 2025/5/15 凌晨4:19 寫道: > Hi Nick, > > On Tue, May 13, 2025 at 12:13:23PM +0800, Nick Chan wrote: >> 2. When running Linux on iPhone, iPad, iPod touch, Apple TV (currently there are Apple A7-A11 SoC support in >> upstream), resizing the main APFS volume is not feasible especially on A11 due to shenanigans with the encrypted >> data volume. So the safe ish way to store a file system on the disk becomes a using linux-apfs-rw on a (possibly >> fixed size) volume that only has one file and that file is used as a loopback device. > That's very interesting. Fragmentation will be brutal after a while though. > Unless you are patching away the copy-on-write somehow?' On a fixed size (preallocated size == max size) volume with only a single non-sparse file on it, copy-on-write should not happen. I believe the xART volume is also the same case with only one non-sparse file. [...] > Ernesto Nick Chan