[MIPS] Wire up the fallocate syscall.

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

6 files changed, 20 insertions, 6 deletions

diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index c37568d6fb55..135d9a5fe337 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -566,6 +566,13 @@ asmlinkage long sys32_fadvise64_64(int fd, int __pad,
 			flags);
 }
 
+asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_a2,
+	unsigned offset_a3, unsigned len_a4, unsigned len_a5)
+{
+	return sys_fallocate(fd, mode, merge_64(offset_a2, offset_a3),
+	                     merge_64(len_a4, len_a5));
+}
+
 save_static_function(sys32_clone);
 static int noinline __used
 _sys32_clone(nabi_no_regargs struct pt_regs regs)
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index ae985d1fcca1..82480a1717d8 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -662,6 +662,7 @@ einval:	li	v0, -EINVAL
 	sys	sys_signalfd		3
 	sys	sys_timerfd		4
 	sys	sys_eventfd		1
+	sys	sys_fallocate		6	/* 4320 */
 	.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 7bcd5a1a85f5..c2c10876da2e 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -477,4 +477,5 @@ sys_call_table:
 	PTR	sys_signalfd
 	PTR	sys_timerfd
 	PTR	sys_eventfd
+	PTR	sys_fallocate
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 532a2f3b42fc..53d7a977193c 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -403,4 +403,5 @@ EXPORT(sysn32_call_table)
 	PTR	compat_sys_signalfd		/* 5280 */
 	PTR	compat_sys_timerfd
 	PTR	sys_eventfd
+	PTR	sys_fallocate
 	.size	sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 6bbe0f4ed8ba..b3ed731a24c6 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -525,4 +525,5 @@ sys_call_table:
 	PTR	compat_sys_signalfd
 	PTR	compat_sys_timerfd
 	PTR	sys_eventfd
+	PTR	sys_fallocate			/* 4320 */
 	.size	sys_call_table,.-sys_call_table
diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h
index ed16de0a6398..fa9a587b3bf1 100644
--- a/include/asm-mips/unistd.h
+++ b/include/asm-mips/unistd.h
@@ -340,16 +340,17 @@
 #define __NR_signalfd			(__NR_Linux + 317)
 #define __NR_timerfd			(__NR_Linux + 318)
 #define __NR_eventfd			(__NR_Linux + 319)
+#define __NR_fallocate			(__NR_Linux + 320)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		319
+#define __NR_Linux_syscalls		320
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		319
+#define __NR_O32_Linux_syscalls		320
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -636,16 +637,17 @@
 #define __NR_signalfd			(__NR_Linux + 276)
 #define __NR_timerfd			(__NR_Linux + 277)
 #define __NR_eventfd			(__NR_Linux + 278)
+#define __NR_fallocate			(__NR_Linux + 279)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		278
+#define __NR_Linux_syscalls		279
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		278
+#define __NR_64_Linux_syscalls		279
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -936,16 +938,17 @@
 #define __NR_signalfd			(__NR_Linux + 280)
 #define __NR_timerfd			(__NR_Linux + 281)
 #define __NR_eventfd			(__NR_Linux + 282)
+#define __NR_fallocate			(__NR_Linux + 283)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		282
+#define __NR_Linux_syscalls		283
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		282
+#define __NR_N32_Linux_syscalls		283
 
 #ifdef __KERNEL__