Re: [md PATCH 8/8] md: Use revalidate_disk to effect changes in size of device.

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On 08/05/2009 06:03 PM, Mike Snitzer wrote:
> On Wed, Aug 5, 2009 at 6:07 PM, H. Peter Anvin<hpa@xxxxxxxxx> wrote:
>> On 08/02/2009 02:58 PM, NeilBrown wrote:
>>> As revalidate_disk calls check_disk_size_change, it will cause
>>> any capacity change of a gendisk to be propagated to the blockdev
>>> inode.  So use that instead of mucking about with locks and
>>> i_size_write.
>>>
>>> Also add a call to revalidate_disk in do_md_run and a few other places
>>> where the gendisk capacity is changed.
>>>
>> This patch causes my Fedora 11 system with all filesystems on RAID-1 to
>> not boot (it hangs in early userspace, Ctrl-Alt-Del reboots the system.)
> 
> I reported similar findings, with some more detail, relative to
> Fedora's rawhide here:
> http://lkml.org/lkml/2009/8/5/275

Sounds to be the same, yes.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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