fanotify: sys_fanotify_mark declartion

This patch simply declares the new sys_fanotify_mark syscall

int fanotify_mark(int fanotify_fd, unsigned int flags, u64_mask,
		  int dfd const char *pathname)
Signed-off-by: Eric Paris <eparis@redhat.com>

arch/x86/ia32/ia32entry.S

@@ -843,4 +843,5 @@ ia32_sys_call_table:
 	.quad sys_perf_event_open
 	.quad compat_sys_recvmmsg
 	.quad sys_fanotify_init
+	.quad sys32_fanotify_mark
 ia32_syscall_end:

arch/x86/ia32/sys_ia32.c

@@ -546,3 +546,12 @@ asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_lo,
 	return sys_fallocate(fd, mode, ((u64)offset_hi << 32) | offset_lo,
 			     ((u64)len_hi << 32) | len_lo);
 }
+
+asmlinkage long sys32_fanotify_mark(int fanotify_fd, unsigned int flags,
+				    u32 mask_lo, u32 mask_hi,
+				    int fd, const char  __user *pathname)
+{
+	return sys_fanotify_mark(fanotify_fd, flags,
+				 ((u64)mask_hi << 32) | mask_lo,
+				 fd, pathname);
+}

arch/x86/include/asm/sys_ia32.h

@@ -80,4 +80,7 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *);
 
 /* ia32/ipc32.c */
 asmlinkage long sys32_ipc(u32, int, int, int, compat_uptr_t, u32);
+
+asmlinkage long sys32_fanotify_mark(int, unsigned int, u32, u32, int,
+				    const char __user *);
 #endif /* _ASM_X86_SYS_IA32_H */

arch/x86/include/asm/unistd_32.h

@@ -344,10 +344,11 @@
 #define __NR_perf_event_open	336
 #define __NR_recvmmsg		337
 #define __NR_fanotify_init	338
+#define __NR_fanotify_mark	339
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 339
+#define NR_syscalls 340
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR

arch/x86/include/asm/unistd_64.h

@@ -665,6 +665,8 @@ __SYSCALL(__NR_perf_event_open, sys_perf_event_open)
 __SYSCALL(__NR_recvmmsg, sys_recvmmsg)
 #define __NR_fanotify_init			300
 __SYSCALL(__NR_fanotify_init, sys_fanotify_init)
+#define __NR_fanotify_mark			301
+__SYSCALL(__NR_fanotify_mark, sys_fanotify_mark)
 
 #ifndef __NO_STUBS
 #define __ARCH_WANT_OLD_READDIR

arch/x86/kernel/syscall_table_32.S

@@ -338,3 +338,4 @@ ENTRY(sys_call_table)
 	.long sys_perf_event_open
 	.long sys_recvmmsg
 	.long sys_fanotify_init
+	.long sys_fanotify_mark

fs/notify/fanotify/fanotify_user.c

@@ -70,3 +70,9 @@ SYSCALL_DEFINE3(fanotify_init, unsigned int, flags, unsigned int, event_f_flags,
 	fsnotify_put_group(group);
 	return fd;
 }
+
+SYSCALL_DEFINE5(fanotify_mark, int, fanotify_fd, unsigned int, flags,
+		__u64, mask, int, dfd, const char  __user *, pathname)
+{
+	return -ENOSYS;
+}

include/linux/syscalls.h

@@ -815,6 +815,9 @@ asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
 			  size_t);
 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags,
 				  unsigned int priority);
+asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
+				  u64 mask, int fd,
+				  const char  __user *pathname);
 
 int kernel_execve(const char *filename, char *const argv[], char *const envp[]);
 

kernel/sys_ni.c

@@ -184,3 +184,4 @@ cond_syscall(sys_perf_event_open);
 
 /* fanotify! */
 cond_syscall(sys_fanotify_init);
+cond_syscall(sys_fanotify_mark);