Marcin Juszkiewicz 🙃<p>Linux 6.15 will bring open_tree_attr() system call.</p><p>"Add open_tree_attr() which allow to atomically create a detached mount tree and set mount options on it. If OPEN_TREE_CLONE is used this will allow the creation of a detached mount with a new set of mount options without it ever being exposed to userspace without that set of mount options applied."</p><p><a href="https://lore.kernel.org/all/20250128-work-mnt_idmap-update-v2-v1-3-c25feb0d2eb3@kernel.org/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">lore.kernel.org/all/20250128-w</span><span class="invisible">ork-mnt_idmap-update-v2-v1-3-c25feb0d2eb3@kernel.org/</span></a></p><p><a href="https://society.oftrolls.com/tags/syscalls" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>syscalls</span></a></p>