From: Christoph Hellwig <hch@lst.de>
Date: Wed, 20 May 2020 15:58:13 +0000 (+0200)
Subject: trace: remove tracing_pipe_buf_ops
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6797d97ab9d1b0ef94bf6063920669409dc2d730;p=linux.git

trace: remove tracing_pipe_buf_ops

tracing_pipe_buf_ops has identical ops to default_pipe_buf_ops, so use
that instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8d2b988126250..bc9783797d275 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6304,13 +6304,6 @@ static void tracing_spd_release_pipe(struct splice_pipe_desc *spd,
 	__free_page(spd->pages[idx]);
 }
 
-static const struct pipe_buf_operations tracing_pipe_buf_ops = {
-	.confirm		= generic_pipe_buf_confirm,
-	.release		= generic_pipe_buf_release,
-	.steal			= generic_pipe_buf_steal,
-	.get			= generic_pipe_buf_get,
-};
-
 static size_t
 tracing_fill_pipe_page(size_t rem, struct trace_iterator *iter)
 {
@@ -6372,7 +6365,7 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
 		.partial	= partial_def,
 		.nr_pages	= 0, /* This gets updated below. */
 		.nr_pages_max	= PIPE_DEF_BUFFERS,
-		.ops		= &tracing_pipe_buf_ops,
+		.ops		= &default_pipe_buf_ops,
 		.spd_release	= tracing_spd_release_pipe,
 	};
 	ssize_t ret;