sys_sync_file_range 840 arch/x86/ia32/sys_ia32.c return sys_sync_file_range(fd, sys_sync_file_range 245 fs/sync.c return sys_sync_file_range(fd, offset, nbytes, flags); sys_sync_file_range 605 include/linux/syscalls.h asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,