linux-kernel - [PATCH] fs: Build sys_stat64() and friends if __ARCH_WANT_COMPAT

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Message-Id: <1342545722-31688-1-git-send-email-catalin.marinas@arm.com>
Date:	Tue, 17 Jul 2012 18:22:02 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Cc:	Alexander Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>
Subject: [PATCH] fs: Build sys_stat64() and friends if __ARCH_WANT_COMPAT_STAT64

On AArch64, we want the sys_stat64() and related functions for compat
support but do not need the generic struct stat64, enabled automatically
if __ARCH_WANT_STAT64.

Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Acked-by: Arnd Bergmann <arnd@...db.de>
Cc: Alexander Viro <viro@...iv.linux.org.uk>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 fs/stat.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/stat.c b/fs/stat.c
index b6ff118..6126c5d 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -326,7 +326,7 @@ SYSCALL_DEFINE3(readlink, const char __user *, path, char __user *, buf,
 
 
 /* ---------- LFS-64 ----------- */
-#ifdef __ARCH_WANT_STAT64
+#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
 
 #ifndef INIT_STRUCT_STAT64_PADDING
 #  define INIT_STRUCT_STAT64_PADDING(st) memset(&st, 0, sizeof(st))
@@ -415,7 +415,7 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, const char __user *, filename,
 		return error;
 	return cp_new_stat64(&stat, statbuf);
 }
-#endif /* __ARCH_WANT_STAT64 */
+#endif /* __ARCH_WANT_STAT64 || __ARCH_WANT_COMPAT_STAT64 */
 
 /* Caller is here responsible for sufficient locking (ie. inode->i_lock) */
 void __inode_add_bytes(struct inode *inode, loff_t bytes)

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