Messages in this thread | | | Date | Sun, 7 Nov 1999 23:09:39 +0100 | From | Jens Axboe <> | Subject | Re: FIBMAP ioctl restrictions: why? |
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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
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