On Fri, 2009-06-05 at 14:53 +0000, Dave Anderson wrote:
>
> I've attached what I'm going with. I've added the capability of getting
> the file_operations from the cdev_map when necessary. The block device
> code was also suffering from bit-rot as well, and so I put in a new
> collector function that uses the bdev_map as well.
Dave, this looks good. Two issues:
1) Add "-f" to dev help? (What does it mean to still be a "(none)"
device?)
2) The old code found the block extended device number (a feature added
to the kernel by a 25 Aug 2008 patch from Tejun Heo):
259 blkext (unknown)
Also shown in /proc/devices:
...
Block devices:
1 ramdisk
259 blkext
7 loop
11 sr
104 cciss0
Deliberate omission?
Thanks for cleaning this up,
Bob Montgomery
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