Re: man page update (fcntl(2) new set/get write hints)

["Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On 08/28/2017 11:07 AM, Florian Weimer wrote:
> On 08/24/2017 12:41 AM, Michael Kerrisk (man-pages) wrote:
>> +.TP
>> +.BR F_GET_RW_HINT " (\fIuint64_t\fP; since Linux 4.13)"
>> +Returns the value of the read/write hint associated with the underlying inode
>> +for the file descriptor.
>> +.TP
>> +.BR F_SET_RW_HINT " (\fIuint64_t\fP; since Linux 4.13)"
>> +Sets the read/write hint value associated with the underlying inode for the
>> +file descriptor.
> 
> Surely the arguments are of pointer type for reads *and* writes?
> 
> There is no convenient way 32-bit userspace can pass a 64-bit integer
> through are variadic dispatcher interface such as ioctl/fcntl/futex.

Thanks, Florian. I corrected this.

Cheers,

Michael



-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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