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[2/2] aio: mark __aio_sigset::sigmask const

Message ID 20180629133725.17606-3-hch@lst.de (mailing list archive)
State New, archived
Headers show

Commit Message

Christoph Hellwig June 29, 2018, 1:37 p.m. UTC 
From: Avi Kivity <avi@scylladb.com>

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.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Avi Kivity <avi@scylladb.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[hch: reapply the patch that got incorrectly reverted]
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 include/uapi/linux/aio_abi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/uapi/linux/aio_abi.h b/include/uapi/linux/aio_abi.h
index d4e768d55d14..3c5038b587ba 100644
--- a/include/uapi/linux/aio_abi.h
+++ b/include/uapi/linux/aio_abi.h
@@ -111,7 +111,7 @@  struct iocb {
 #undef IFLITTLE
 
 struct __aio_sigset {
-	sigset_t __user	*sigmask;
+	const sigset_t __user	*sigmask;
 	size_t		sigsetsize;
 };