Stephen,
This is probably easier than the patch I've been working on today. Do I
need to hold lock_kernel() over the gen_disk head (I assume so)?
Jeff
"Stephen C. Tweedie" wrote:
>
> Hi,
>
> On Fri, Mar 31, 2000 at 09:26:22AM -0700, Jeff V. Merkey wrote:
> >
> > This is nice to know, but it's not much help. Is there a cleaner way?
> > The simplest would be to allow me to scan the blkdev structure. I've
> > also noticed that in the cdrom drivers call ioctl_by_bdev() which would
> > be perfect to use, expect I cannot get a valid block_device * structure
> > because some of the functions are static.
>
> Scan the gendisk_head list. That contains all present disks and
> partitions (as visible in /proc/partitions). It also contains the
> partition type information if you want to restrict your volume
> scan to specific partition types (this is how the software raid
> code performs its scan for raid autostart devices, for example).
>
> --Stephem
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