[MIPS] Wire up sync_file_range(2).

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

6 files changed, 23 insertions, 6 deletions

diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 3f40c37a9ee..7c953bcc5f6 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -1182,6 +1182,16 @@ asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3,
 	return sys_readahead(fd, merge_64(a2, a3), count);
 }
 
+asmlinkage long sys32_sync_file_range(int fd, int __pad,
+	unsigned long a2, unsigned long a3,
+	unsigned long a4, unsigned long a5,
+	int flags)
+{
+	return sys_sync_file_range(fd,
+			merge_64(a2, a3), merge_64(a4, a5),
+			flags);
+}
+
 /* Argument list sizes for sys_socketcall */
 #define AL(x) ((x) * sizeof(unsigned int))
 static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index c05ba056b1e..4e36b87be1e 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -635,6 +635,7 @@ einval:	li	v0, -EINVAL
 	sys	sys_ppoll		5
 	sys	sys_unshare		1
 	sys	sys_splice		4
+	sys	sys_sync_file_range	7	/* 4305 */
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index f7c4e751f54..9ba75088737 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -461,3 +461,4 @@ sys_call_table:
 	PTR	sys_ppoll
 	PTR	sys_unshare
 	PTR	sys_splice
+	PTR	sys_sync_file_range
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 52aea55d9c5..942aca26f9c 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -387,3 +387,4 @@ EXPORT(sysn32_call_table)
 	PTR	sys_ppoll			/* 6265 */
 	PTR	sys_unshare
 	PTR	sys_splice
+	PTR	sys_sync_file_range
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index c7e766e4636..b53a9207f53 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -509,4 +509,5 @@ sys_call_table:
 	PTR	sys_ppoll
 	PTR	sys_unshare
 	PTR	sys_splice
+	PTR	sys32_sync_file_range		/* 4305 */
 	.size	sys_call_table,.-sys_call_table
diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h
index 2998795fa25..1068fe9a0a5 100644
--- a/include/asm-mips/unistd.h
+++ b/include/asm-mips/unistd.h
@@ -325,16 +325,17 @@
 #define __NR_ppoll			(__NR_Linux + 302)
 #define __NR_unshare			(__NR_Linux + 303)
 #define __NR_splice			(__NR_Linux + 304)
+#define __NR_sync_file_range		(__NR_Linux + 305)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		304
+#define __NR_Linux_syscalls		305
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		304
+#define __NR_O32_Linux_syscalls		305
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -606,16 +607,17 @@
 #define __NR_ppoll			(__NR_Linux + 261)
 #define __NR_unshare			(__NR_Linux + 262)
 #define __NR_splice			(__NR_Linux + 263)
+#define __NR_sync_file_range		(__NR_Linux + 264)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		263
+#define __NR_Linux_syscalls		264
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		263
+#define __NR_64_Linux_syscalls		264
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -891,16 +893,17 @@
 #define __NR_ppoll			(__NR_Linux + 265)
 #define __NR_unshare			(__NR_Linux + 266)
 #define __NR_splice			(__NR_Linux + 267)
+#define __NR_sync_file_range		(__NR_Linux + 268)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		267
+#define __NR_Linux_syscalls		268
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		267
+#define __NR_N32_Linux_syscalls		268
 
 #ifndef __ASSEMBLY__