Steve Bergman wrote:
> Andy Green wrote:
>
>> Adam Gibson wrote:
>>
>>
>> It's possible to use the flag
>>
>> O_DIRECT
>>
>
> Thanks. :-)
>
>
> --- src/create.c.orig 2006-04-24 15:39:00.000000000 -0500
> +++ src/create.c 2006-04-24 16:28:13.000000000 -0500
> @@ -1373,7 +1373,7 @@
> if (file_dumpable_p (st))
> {
> fd = open (st->orig_file_name,
> - O_RDONLY | O_BINARY);
> + O_RDONLY | O_BINARY | O_DIRECT);
> if (fd < 0)
> {
> if (!top_level && errno == ENOENT)
>
I don't think this is necessarily safe to do. O_DIRECT adds additional
requirements to the memory buffer's alignment and file position
alignments. Unless you have audited the 'tar' source code, I think this
is a bad idea.
David