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linux/drivers/md/dm-cache-metadata.c
Mike Snitzer 5b7d98d5e2 dm cache metadata: do not allow the data block size to change 
commit 048e5a07f2 upstream.

The block size for the dm-cache's data device must remained fixed for
the life of the cache.  Disallow any attempt to change the cache's data
block size.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-28 08:06:03 -07:00

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