On Tue, Nov 5, 2024 at 1:33 PM Oliver Upton <oliver.upton@xxxxxxxxx> wrote: > > Hi Jing, > > On Tue, Nov 05, 2024 at 11:34:18AM -0800, Jing Zhang wrote: > > The core issue stems from the static linked list implementation of DTEs/ITEs, > > requiring a full table scan to locate the list head during restoration. This > > scan increases the likelihood of encountering orphaned entries. To rectify > > this, the patch series introduces a dummy head to the list, enabling immediate > > access to the list head and bypassing the scan. This optimization not only > > resolves the bug but also significantly enhances restore performance, > > particularly in edge cases where valid entries reside at the end of the table. > > I think we need a more targeted fix (i.e. Kunkun's patch) to stop the > bleeding + backport it to stable. > > Then we can have a separate discussion about improving the save/restore > performance with your approach. Yes, I'll respin Kunkun's patch soon. This patch series has the selftest which we can use for verification. > > -- > Thanks, > Oliver Thanks, Jing