lkml.org 
[lkml]   [1999]   [Nov]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: FIBMAP ioctl restrictions: why?
On Sun, Nov 07 1999, Martin Mares wrote:
> Hello, world!\n
>
> I'm currently writting my own database library (a much faster alternative
> to GDBM) and I want to sort file accesses before feeding them to the kernel,
> so that they will be executed in linear sector order and seek time will be
> minimized. Unfortunately, this plan breaks on the FIBMAP ioctl requiring
> CAP_SYS_RAWIO capability. To be honest, I don't see why -- can the kernel
> gurus advise me what deep reasons are behind this restriction?

It bothers the DVD folks too, FWIW.

--
* Jens Axboe <axboe@image.dk>
* Linux CD-ROM Maintainer
* http://www.kernel.dk

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:54    [W:0.485 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site