From: Rong Tao <rongtao@cestc.cn>

Since commit be6bfe36db17 ("block: inline hot paths of blk_account_io_*()")
blk_account_io_*() become inline functions.

Signed-off-by: Rong Tao <rtoax@foxmail.com>
---
 samples/bpf/task_fd_query_kern.c | 2 +-
 samples/bpf/task_fd_query_user.c | 2 +-
 samples/bpf/tracex3_kern.c       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/samples/bpf/task_fd_query_kern.c b/samples/bpf/task_fd_query_kern.c
index c821294e1774..186ac0a79c0a 100644
--- a/samples/bpf/task_fd_query_kern.c
+++ b/samples/bpf/task_fd_query_kern.c
@@ -10,7 +10,7 @@ int bpf_prog1(struct pt_regs *ctx)
 	return 0;
 }
 
-SEC("kretprobe/blk_account_io_done")
+SEC("kretprobe/__blk_account_io_done")
 int bpf_prog2(struct pt_regs *ctx)
 {
 	return 0;
diff --git a/samples/bpf/task_fd_query_user.c b/samples/bpf/task_fd_query_user.c
index 424718c0872c..a33d74bd3a4b 100644
--- a/samples/bpf/task_fd_query_user.c
+++ b/samples/bpf/task_fd_query_user.c
@@ -348,7 +348,7 @@ int main(int argc, char **argv)
 	/* test two functions in the corresponding *_kern.c file */
 	CHECK_AND_RET(test_debug_fs_kprobe(0, "blk_mq_start_request",
 					   BPF_FD_TYPE_KPROBE));
-	CHECK_AND_RET(test_debug_fs_kprobe(1, "blk_account_io_done",
+	CHECK_AND_RET(test_debug_fs_kprobe(1, "__blk_account_io_done",
 					   BPF_FD_TYPE_KRETPROBE));
 
 	/* test nondebug fs kprobe */
diff --git a/samples/bpf/tracex3_kern.c b/samples/bpf/tracex3_kern.c
index 710a4410b2fb..bde6591cb20c 100644
--- a/samples/bpf/tracex3_kern.c
+++ b/samples/bpf/tracex3_kern.c
@@ -49,7 +49,7 @@ struct {
 	__uint(max_entries, SLOTS);
 } lat_map SEC(".maps");
 
-SEC("kprobe/blk_account_io_done")
+SEC("kprobe/__blk_account_io_done")
 int bpf_prog2(struct pt_regs *ctx)
 {
 	long rq = PT_REGS_PARM1(ctx);
-- 
2.31.1

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Sun, 11 Sep 2022 21:03:30 +0800 you wrote:
> From: Rong Tao <rongtao@cestc.cn>
> 
> Since commit be6bfe36db17 ("block: inline hot paths of blk_account_io_*()")
> blk_account_io_*() become inline functions.
> 
> Signed-off-by: Rong Tao <rtoax@foxmail.com>
> 
> [...]

Here is the summary with links:
  - [bpf-next] samples/bpf: Replace blk_account_io_done() with __blk_account_io_done()
    https://git.kernel.org/bpf/bpf-next/c/bc069da65eec

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html

On 9/11/22 6:03 AM, Rong Tao wrote:
> From: Rong Tao <rongtao@cestc.cn>
> 
> Since commit be6bfe36db17 ("block: inline hot paths of blk_account_io_*()")
> blk_account_io_*() become inline functions.
> 
> Signed-off-by: Rong Tao <rtoax@foxmail.com>

Acked-by: Yonghong Song <yhs@fb.com>