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Re: [dm-devel] linux-next - WARNING: at fs/block_dev.c:824 bd_link_disk_holder+0x92/0x1ac()



On 01/13/2011 03:43 PM, Kay Sievers wrote:

>> On Thu, Jan 13, 2011 at 3:25 PM, Milan Broz <mbroz redhat com> wrote:
>>> Maybe, but this was not invented in DM/MD camp:-)
>>> Probably Kay or Greg can answer why it was done this way?
> 
> It's not from Greg or Kay. It just appeared some day in the context of dm. :)

ah, then sorry, I am just confused:-)
But DM does not need it for operation at all so it must had some other reason.
(We have dmsetup ls --tree using dm-ioctls for years.)

> And yes, symlinks *look* nice and simple for the outside, but they are
> not, and have all sorts of problems like non-atomic updates, make it
> impossible to ever rename a device (as long as they copy the device
> name), and and and .... we should not add more of this.

Yes, I agree, if there is better way, let's switch to that.

Milan


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