Re: Disk geometry from /sys

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From: Seewer Philippe
Date: Wednesday, April 23, 2008 - 2:33 am

Francis Moreau wrote:
[snip]
No just /block

from Documentation/block/biodoc.txt

[quote]
Drivers no longer have to map a {partition, sector offset} into the
correct absolute location anymore, this is done by the block layer, so
where a driver received a request ala this before:

         rq->rq_dev = mk_kdev(3, 5);     /* /dev/hda5 */
         rq->sector = 0;                 /* first sector on hda5 */

   it will now see

         rq->rq_dev = mk_kdev(3, 0);     /* /dev/hda */
         rq->sector = 123128;            /* offset from start of disk */
[/quote]


/drivers/block is block-device drivers not the block layer itself.
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Messages in current thread:
Disk geometry from /sys, Francis Moreau, (Wed Apr 9, 1:53 pm)
Re: Disk geometry from /sys, Lennart Sorensen, (Wed Apr 9, 2:28 pm)
Re: Disk geometry from /sys, Alan Cox, (Wed Apr 9, 2:52 pm)
Re: Disk geometry from /sys, Mark Lord, (Wed Apr 9, 2:57 pm)
Re: Disk geometry from /sys, Bernd Eckenfels, (Wed Apr 9, 3:16 pm)
Re: Disk geometry from /sys, linux-os (Dick Johnson), (Thu Apr 10, 5:22 am)
Re: Disk geometry from /sys, Bill Davidsen, (Thu Apr 10, 6:58 am)
Re: Disk geometry from /sys, Lennart Sorensen, (Thu Apr 10, 7:52 am)
Re: Disk geometry from /sys, Francis Moreau, (Thu Apr 10, 12:05 pm)
Re: Disk geometry from /sys, Francis Moreau, (Thu Apr 10, 12:15 pm)
Re: Disk geometry from /sys, Francis Moreau, (Thu Apr 10, 12:23 pm)
Re: Disk geometry from /sys, Mark Lord, (Thu Apr 10, 12:53 pm)
Re: Disk geometry from /sys, Seewer Philippe, (Mon Apr 14, 5:57 am)
Re: Disk geometry from /sys, Francis Moreau, (Tue Apr 15, 12:40 am)
Re: Disk geometry from /sys, Seewer Philippe, (Wed Apr 16, 12:49 am)
Re: Disk geometry from /sys, Francis Moreau, (Thu Apr 17, 7:09 am)
Re: Disk geometry from /sys, Seewer Philippe, (Thu Apr 17, 7:49 am)
Re: Disk geometry from /sys, Mark Lord, (Fri Apr 18, 6:22 am)
Re: Disk geometry from /sys, Seewer Philippe, (Fri Apr 18, 6:37 am)
Re: Disk geometry from /sys, Francis Moreau, (Tue Apr 22, 1:10 pm)
Re: Disk geometry from /sys, Francis Moreau, (Tue Apr 22, 1:11 pm)
Re: Disk geometry from /sys, Francis Moreau, (Tue Apr 22, 1:16 pm)
Re: Disk geometry from /sys, Mark Lord, (Tue Apr 22, 3:44 pm)
Re: Disk geometry from /sys, Seewer Philippe, (Tue Apr 22, 11:44 pm)
Re: Disk geometry from /sys, Seewer Philippe, (Tue Apr 22, 11:48 pm)
Re: Disk geometry from /sys, Seewer Philippe, (Tue Apr 22, 11:53 pm)
Re: Disk geometry from /sys, Francis Moreau, (Tue Apr 22, 11:56 pm)
Re: Disk geometry from /sys, Francis Moreau, (Wed Apr 23, 12:02 am)
Re: Disk geometry from /sys, Seewer Philippe, (Wed Apr 23, 2:33 am)
Re: Disk geometry from /sys, Mark Lord, (Wed Apr 23, 6:47 am)