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>

9 files changed, 28 insertions, 1 deletions

diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 586cb3be2e32..17cf65c94804 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/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:
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 626be156d88d..3d093311d5e2 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/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);
+}
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index 3ad421784ae7..cf4e2e381cba 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/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 */
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 981c7e7ad804..80b799cd74f7 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/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
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 4f23e04bdb34..5b7b1d585616 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/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
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index e38793b50e1d..07ad5eb7cc5c 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/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
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 67c0b5e4a488..55d6e379f2b6 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -70,3 +70,9 @@ out_put_group:
         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;
+}
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 198dcc9bd025..5b05c37059e9 100644
--- a/include/linux/syscalls.h
+++ b/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[]);
 
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 2c4adc2decc3..bad369ec5403 100644
--- a/kernel/sys_ni.c
+++ b/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);