> @@ -1508,7 +1509,15 @@ exi_cache_trim(struct exportinfo *exi)
> * used for NFSAUTH_CACHE_TRIM seconds.
> */
> for (c = avl_first(tree); c != NULL; c = AVL_NEXT(tree, c)) {
> - rw_enter(&c->authc_lock, RW_WRITER);
> + /*
> + * We are being called by the kmem subsystem to reclaim
> + * memory so don't block if we can't get the lock.
> + */
> + if (rw_tryenter(&exi->exi_cache_lock, RW_WRITER) == 0) {
> + exi_cache_auth_reclaim_failed++;
> + return;
Also, do you want to return() on one authc lock? Or just continue and try the
next 'c'?
---
Reply to this email directly or view it on GitHub:
https://github.com/openzfs/openzfs/pull/38/files#r45081235
_______________________________________________
developer mailing list
[email protected]
http://lists.open-zfs.org/mailman/listinfo/developer
