linux-kernel - [PATCH 070/437] perf: convert events to read/write iterators

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Message-ID: <20240411153126.16201-71-axboe@kernel.dk>
Date: Thu, 11 Apr 2024 09:13:30 -0600
From: Jens Axboe <axboe@...nel.dk>
To: linux-kernel@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 070/437] perf: convert events to read/write iterators

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 kernel/events/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 724e6d7e128f..2c94801bef4b 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5688,6 +5688,7 @@ perf_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 
 	return ret;
 }
+FOPS_READ_ITER_HELPER(perf_read);
 
 static __poll_t perf_poll(struct file *file, poll_table *wait)
 {
@@ -6669,7 +6670,7 @@ static int perf_fasync(int fd, struct file *filp, int on)
 static const struct file_operations perf_fops = {
 	.llseek			= no_llseek,
 	.release		= perf_release,
-	.read			= perf_read,
+	.read_iter		= perf_read_iter,
 	.poll			= perf_poll,
 	.unlocked_ioctl		= perf_ioctl,
 	.compat_ioctl		= perf_compat_ioctl,
-- 
2.43.0