On Tue, Aug 12, 2025 at 12:25:06PM +1000, NeilBrown wrote: > btrfs/ioctl.c uses a "killable" lock on the directory when creating an > destroying subvols. overlayfs also does this. > > This patch adds dentry_lookup_killable() for these users. > > Possibly all dentry_lookup should be killable as there is no down-side, > but that can come in a later patch.
Same objections re lookup_flags and it would be better to do that at the same point where you convert the (btrfs and overlayfs?) callers.
