Comments on Which file systems support file cloning

Be civil and read the entire article first. This is not a support forum. Comments from new contributors are moderated. English only.

Leave a comment

Required. Optional. E.g. your homepage, Twitter. or Email required unless anonymous. Not published or shared. Reuse to be recognized as the same commenter.
Plain-text only. Begin lines with a > character to quote.


Android uses EXT4 and seems to have everything in place to support cloned extents. However, the syscalls always return EPERM suggesting that the file descriptor is immutable.