From aeb709c767aeca996e6011133e4f7bdb2a4af652 Mon Sep 17 00:00:00 2001 From: Alexei Starovoitov Date: Wed, 30 Sep 2026 09:59:20 +0000 Subject: selftests/bpf: Add a test for objects stuck in free_by_rcu_ttrace Delete all elements of BPF_F_NO_PREALLOC hash map in one batch. The first free_bulk() starts RCU tasks trace GP and the rest of the elements are freed while it's in flight. Wait for call_rcu_ttrace_in_progress to clear in bpf_mem_cache of every cpu and check that free_by_rcu_ttrace and waiting_for_gp_ttrace lists are empty. Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/20260930095920.601738-4-alexei.starovoitov@gmail.com Signed-off-by: Kumar Kartikeya Dwivedi --- fs/9p/cache.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 fs/9p/cache.h (limited to 'fs/9p/cache.h') diff --git a/fs/9p/cache.h b/fs/9p/cache.h new file mode 100644 index 000000000..ee1b6b06a --- /dev/null +++ b/fs/9p/cache.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * V9FS cache definitions. + * + * Copyright (C) 2009 by Abhishek Kulkarni + */ + +#ifndef _9P_CACHE_H +#define _9P_CACHE_H + +#ifdef CONFIG_9P_FSCACHE +#include + +extern int v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses, + const char *dev_name); + +extern void v9fs_cache_inode_get_cookie(struct inode *inode); + +#else /* CONFIG_9P_FSCACHE */ + +static inline void v9fs_cache_inode_get_cookie(struct inode *inode) +{ +} + +#endif /* CONFIG_9P_FSCACHE */ +#endif /* _9P_CACHE_H */ -- cgit v1.3.1