On Tue, 28 Oct 2025 00:45:38 +0000 Al Viro <[email protected]> wrote:
> A mix of persistent and non-persistent dentries in there. Strictly > speaking, no need for kill_litter_super() anyway - it pins an internal > mount whenever a persistent dentry is created, so at fs shutdown time > there won't be any to deal with. > > However, let's make it explicit - replace d_instantiate() with > d_make_persistent() + dput() (the latter in tracefs_end_creating(), > where it folds with inode_unlock() into simple_done_creating()) > for dentries we want persistent and have d_make_discardable() done > either by simple_recursive_removal() (used by tracefs_remove()) > or explicitly in eventfs_remove_events_dir(). > > Signed-off-by: Al Viro <[email protected]> I ran the tracing selftests and some other tests I have against this and nothing interesting happened. I didn't run my full test suite, but it looks sane to me. Acked-by: Steven Rostedt (Google) <[email protected]> -- Steve
