linux-kernel - [PATCH 05/11] relayfs: relay_file_splice_read: always return -EAGAIN for no data

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Message-ID: <329ea2aecb56e982f16aea7c637fd0e8a7985506.1697486714.git.nabijaczleweli@nabijaczleweli.xyz>
Date:   Mon, 16 Oct 2023 22:35:47 +0200
From:   Ahelenia Ziemiańska 
        <nabijaczleweli@...ijaczleweli.xyz>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Andrew Morton <akpm@...ux-foudation.org>,
        Hyeonggon Yoo <42.hyeyoo@...il.com>,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        Pengcheng Yang <yangpc@...gsu.com>,
        Zhang Zhengming <zhang.zhengming@....com>,
        Xu Panda <xu.panda@....com.cn>, Li kunyu <kunyu@...china.com>,
        Gavrilov Ilia <Ilia.Gavrilov@...otecs.ru>,
        Suren Baghdasaryan <surenb@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 05/11] relayfs: relay_file_splice_read: always return -EAGAIN
 for no data

For consistency with the new "file->pipe reads non-blockingly" semantic.

Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@...ijaczleweli.xyz>
---
 kernel/relay.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/relay.c b/kernel/relay.c
index 83fe0325cde1..3d381e94a204 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1215,8 +1215,7 @@ static ssize_t relay_file_splice_read(struct file *in,
 		if (ret < 0)
 			break;
 		else if (!ret) {
-			if (flags & SPLICE_F_NONBLOCK)
-				ret = -EAGAIN;
+			ret = -EAGAIN;
 			break;
 		}
 
-- 
2.39.2

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