src/linux/sync_file_range.c

   1 #define _GNU_SOURCE
   2 #include <fcntl.h>
   3 #include <errno.h>
   4 #include "syscall.h"
   5
   6 int sync_file_range(int fd, off_t pos, off_t len, unsigned flags)
   7 {
   8 #if defined(SYS_sync_file_range2)
   9         return syscall(SYS_sync_file_range2, fd, flags,
  10                 __SYSCALL_LL_E(pos), __SYSCALL_LL_E(len));
  11 #elif defined(SYS_sync_file_range)
  12         return syscall(SYS_sync_file_range, fd,
  13                 __SYSCALL_LL_O(pos), __SYSCALL_LL_E(len), flags);
  14 #else
  15         return __syscall_ret(-ENOSYS);
  16 #endif
  17 }