linux-kernel - [PATCH 2/5] uapi: simplify __ARCH_FLOCK{,64}

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Date:   Mon, 12 Apr 2021 10:55:42 +0200
From:   Christoph Hellwig <hch@....de>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Helge Deller <deller@....de>,
        Michael Ellerman <mpe@...erman.id.au>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        "David S. Miller" <davem@...emloft.net>, x86@...nel.org,
        Arnd Bergmann <arnd@...db.de>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        sparclinux@...r.kernel.org, linux-arch@...r.kernel.org
Subject: [PATCH 2/5] uapi: simplify __ARCH_FLOCK{,64}_PAD a little

Don't bother to define emtpty versions of the macros if the architecture
doesn't define them.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 include/uapi/asm-generic/fcntl.h       | 12 ++++--------
 tools/include/uapi/asm-generic/fcntl.h | 12 ++++--------
 2 files changed, 8 insertions(+), 16 deletions(-)

diff --git a/include/uapi/asm-generic/fcntl.h b/include/uapi/asm-generic/fcntl.h
index fb454bb629d114..df7ad6962dff71 100644
--- a/include/uapi/asm-generic/fcntl.h
+++ b/include/uapi/asm-generic/fcntl.h
@@ -189,22 +189,16 @@ struct f_owner_ex {
 #define F_LINUX_SPECIFIC_BASE	1024
 
 #ifndef HAVE_ARCH_STRUCT_FLOCK
-#ifndef __ARCH_FLOCK_PAD
-#define __ARCH_FLOCK_PAD
-#endif
-
 struct flock {
 	short	l_type;
 	short	l_whence;
 	__kernel_off_t	l_start;
 	__kernel_off_t	l_len;
 	__kernel_pid_t	l_pid;
+#ifdef __ARCH_FLOCK_PAD
 	__ARCH_FLOCK_PAD
-};
 #endif
-
-#ifndef __ARCH_FLOCK64_PAD
-#define __ARCH_FLOCK64_PAD
+};
 #endif
 
 struct flock64 {
@@ -213,7 +207,9 @@ struct flock64 {
 	__kernel_loff_t l_start;
 	__kernel_loff_t l_len;
 	__kernel_pid_t  l_pid;
+#ifdef __ARCH_FLOCK64_PAD
 	__ARCH_FLOCK64_PAD
+#endif
 };
 
 #endif /* _ASM_GENERIC_FCNTL_H */
diff --git a/tools/include/uapi/asm-generic/fcntl.h b/tools/include/uapi/asm-generic/fcntl.h
index 4a49d33ca4d55d..82054502b9748d 100644
--- a/tools/include/uapi/asm-generic/fcntl.h
+++ b/tools/include/uapi/asm-generic/fcntl.h
@@ -188,22 +188,16 @@ struct f_owner_ex {
 #define F_LINUX_SPECIFIC_BASE	1024
 
 #ifndef HAVE_ARCH_STRUCT_FLOCK
-#ifndef __ARCH_FLOCK_PAD
-#define __ARCH_FLOCK_PAD
-#endif
-
 struct flock {
 	short	l_type;
 	short	l_whence;
 	__kernel_off_t	l_start;
 	__kernel_off_t	l_len;
 	__kernel_pid_t	l_pid;
+#ifdef __ARCH_FLOCK_PAD
 	__ARCH_FLOCK_PAD
-};
 #endif
-
-#ifndef __ARCH_FLOCK64_PAD
-#define __ARCH_FLOCK64_PAD
+};
 #endif
 
 struct flock64 {
@@ -212,7 +206,9 @@ struct flock64 {
 	__kernel_loff_t l_start;
 	__kernel_loff_t l_len;
 	__kernel_pid_t  l_pid;
+#ifdef __ARCH_FLOCK64_PAD
 	__ARCH_FLOCK64_PAD
+#endif
 };
 
 #endif /* _ASM_GENERIC_FCNTL_H */
-- 
2.30.1