On Fri, Dec 08, 2023 at 04:36:52PM +0900, Michael Paquier wrote: > Yes, tracking that in a more central way can have many usages, so your > patch sounds like a good idea. Note that we have one case in core > that be improved and make use of what you have here: autoprewarm.c.
I'll add a patch for autoprewarm.c. Even if we don't proceed with that change, it'll be a good demonstration. > +dsm_registry_init_or_attach(const char *key, void **ptr, size_t size, > + void (*init_callback) (void *ptr)) > > This is shaped around dshash_find_or_insert(), but it looks like you'd > want an equivalent for dshash_find(), as well. What is the use-case for only verifying the existence of a segment? -- Nathan Bossart Amazon Web Services: https://aws.amazon.com