Re: introduce bdev holder ops and a file system shutdown method v2

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On Thu, May 18, 2023 at 06:23:09AM +0200, Christoph Hellwig wrote:
> Hi all,
> 
> this series fixes the long standing problem that we never had a good way
> to communicate block device events to the user of the block device.
> 
> It fixes this by introducing a new set of holder ops registered at
> blkdev_get_by_* time for the exclusive holder, and then wire that up
> to a shutdown super operation to report the block device remove to the
> file systems.

Thanks for working on this!  Is there going to be an fstest which
simulates a device removal while we're running fsstress or some such,
so we can exercise full device removal path?

Thanks,

					- Ted



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