riscv: compat: syscall: Add compat_sys_call_table implementation

[linux-block.git] / fs / read_write.c

diff --git a/fs/read_write.c b/fs/read_write.c
index e643aec2b0efe929bce63d6b4d1ddcf81b0b0399..b1b1cdfee9d39a85c777166688119bdc71026a09 100644 (file)
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -682,6 +682,14 @@ SYSCALL_DEFINE4(pread64, unsigned int, fd, char __user *, buf,
        return ksys_pread64(fd, buf, count, pos);
 }
 
+#if defined(CONFIG_COMPAT) && defined(__ARCH_WANT_COMPAT_PREAD64)
+COMPAT_SYSCALL_DEFINE5(pread64, unsigned int, fd, char __user *, buf,
+                      size_t, count, compat_arg_u64_dual(pos))
+{
+       return ksys_pread64(fd, buf, count, compat_arg_u64_glue(pos));
+}
+#endif
+
 ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
                      size_t count, loff_t pos)
 {
@@ -708,6 +716,14 @@ SYSCALL_DEFINE4(pwrite64, unsigned int, fd, const char __user *, buf,
        return ksys_pwrite64(fd, buf, count, pos);
 }
 
+#if defined(CONFIG_COMPAT) && defined(__ARCH_WANT_COMPAT_PWRITE64)
+COMPAT_SYSCALL_DEFINE5(pwrite64, unsigned int, fd, const char __user *, buf,
+                      size_t, count, compat_arg_u64_dual(pos))
+{
+       return ksys_pwrite64(fd, buf, count, compat_arg_u64_glue(pos));
+}
+#endif
+
 static ssize_t do_iter_readv_writev(struct file *filp, struct iov_iter *iter,
                loff_t *ppos, int type, rwf_t flags)
 {