linux-kernel - [PATCH v1] aio: mark __aio

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Message-Id: <20180608145505.29063-1-avi@scylladb.com>
Date:   Fri,  8 Jun 2018 17:55:05 +0300
From:   Avi Kivity <avi@...lladb.com>
To:     Alexander Viro <viro@...iv.linux.org.uk>
Cc:     Benjamin LaHaise <bcrl@...ck.org>, linux-fsdevel@...r.kernel.org,
        linux-aio@...ck.org, linux-kernel@...r.kernel.org, hch@....de
Subject: [PATCH v1] aio: mark __aio_sigset::sigmask const

io_pgetevents() will not change the signal mask. Mark it const
to make it clear and to reduce the need for casts in user code.

Signed-off-by: Avi Kivity <avi@...lladb.com>
---
 include/uapi/linux/aio_abi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/aio_abi.h b/include/uapi/linux/aio_abi.h
index ed0185945bb2..cdf115b03761 100644
--- a/include/uapi/linux/aio_abi.h
+++ b/include/uapi/linux/aio_abi.h
@@ -106,11 +106,11 @@ struct iocb {
 
 #undef IFBIG
 #undef IFLITTLE
 
 struct __aio_sigset {
-	sigset_t __user	*sigmask;
+	const sigset_t __user	*sigmask;
 	size_t		sigsetsize;
 };
 
 #endif /* __LINUX__AIO_ABI_H */
 
-- 
2.14.4