linux-kernel - [PATCH 4/6] proc/stat: switch to ->read

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Message-Id: <20201104082738.1054792-5-hch@lst.de>
Date:   Wed,  4 Nov 2020 09:27:36 +0100
From:   Christoph Hellwig <hch@....de>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] proc/stat: switch to ->read_iter

Implement ->read_iter so that splice can be used on this file.

Suggested-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/proc/stat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 46b3293015fe61..4695b6de315129 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -226,7 +226,7 @@ static int stat_open(struct inode *inode, struct file *file)
 static const struct proc_ops stat_proc_ops = {
 	.proc_flags	= PROC_ENTRY_PERMANENT,
 	.proc_open	= stat_open,
-	.proc_read	= seq_read,
+	.proc_read_iter	= seq_read_iter,
 	.proc_lseek	= seq_lseek,
 	.proc_release	= single_release,
 };
-- 
2.28.0